mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-01 17:10:11 +00:00
Merge branch '2019-11-07-ti-imports'
- LogicPD platform fixes - Adaptive Voltage Scaling (AVS) support - Minor bugfixes
This commit is contained in:
Tom Rini
commit
3f2d4bf462
27 changed files with 1255 additions and 2 deletions
|
|
@ -97,6 +97,13 @@
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|||
u-boot,dm-spl;
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||||
};
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||||
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wkup_vtm0: wkup_vtm@42050000 {
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compatible = "ti,am654-vtm", "ti,am654-avs";
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reg = <0x42050000 0x25c>;
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power-domains = <&k3_pds 80>;
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#thermal-sensor-cells = <1>;
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};
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clk_200mhz: dummy_clock {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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@ -131,6 +138,12 @@
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power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
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};
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&wkup_vtm0 {
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vdd-supply-3 = <&vdd_mpu>;
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vdd-supply-4 = <&vdd_mpu>;
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u-boot,dm-spl;
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};
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&wkup_pmx0 {
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u-boot,dm-spl;
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wkup_uart0_pins_default: wkup_uart0_pins_default {
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@ -211,4 +224,18 @@
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pinctrl-names = "default";
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pinctrl-0 = <&wkup_i2c0_pins_default>;
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clock-frequency = <400000>;
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u-boot,dm-spl;
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vdd_mpu: tps62363@60 {
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compatible = "ti,tps62363";
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reg = <0x60>;
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regulator-name = "VDD_MPU";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <1770000>;
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regulator-always-on;
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regulator-boot-on;
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ti,vsel0-state-high;
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ti,vsel1-state-high;
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u-boot,dm-spl;
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};
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};
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@ -57,6 +57,17 @@
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clock-names = "fclk";
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};
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wkup_i2c0: i2c@42120000 {
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compatible = "ti,j721e-i2c", "ti,omap4-i2c";
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reg = <0x0 0x42120000 0x0 0x100>;
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interrupts = <GIC_SPI 896 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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clock-names = "fck";
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clocks = <&k3_clks 197 0>;
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power-domains = <&k3_pds 197 TI_SCI_PD_EXCLUSIVE>;
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};
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mcu_uart0: serial@40a00000 {
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compatible = "ti,j721e-uart", "ti,am654-uart";
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reg = <0x00 0x40a00000 0x00 0x100>;
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@ -59,6 +59,13 @@
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mboxes= <&mcu_secproxy 4>, <&mcu_secproxy 5>;
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mbox-names = "tx", "rx";
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};
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wkup_vtm0: wkup_vtm@42040000 {
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compatible = "ti,am654-vtm", "ti,j721e-avs";
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reg = <0x0 0x42040000 0x0 0x330>;
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power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
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#thermal-sensor-cells = <1>;
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};
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};
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&dmsc {
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@ -86,6 +93,13 @@
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J721E_WKUP_IOPAD(0xe0, PIN_OUTPUT, 0) /* (G29) WKUP_GPIO0_12.MCU_UART0_TXD */
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>;
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};
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wkup_i2c0_pins_default: wkup-i2c0-pins-default {
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pinctrl-single,pins = <
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J721E_WKUP_IOPAD(0xf8, PIN_INPUT_PULLUP, 0) /* (J25) WKUP_I2C0_SCL */
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J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
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>;
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};
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};
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&main_pmx0 {
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@ -140,4 +154,34 @@
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ti,driver-strength-ohm = <50>;
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};
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&wkup_i2c0 {
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u-boot,dm-spl;
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tps659413a: tps659413a@48 {
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reg = <0x48>;
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compatible = "ti,tps659413";
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u-boot,dm-spl;
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pinctrl-names = "default";
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pinctrl-0 = <&wkup_i2c0_pins_default>;
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clock-frequency = <400000>;
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regulators: regulators {
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u-boot,dm-spl;
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buck12_reg: buck12 {
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/*VDD_MPU*/
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regulator-name = "buck12";
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1250000>;
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regulator-always-on;
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regulator-boot-on;
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u-boot,dm-spl;
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};
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};
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};
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};
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&wkup_vtm0 {
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vdd-supply-2 = <&buck12_reg>;
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u-boot,dm-spl;
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};
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#include "k3-j721e-common-proc-board-u-boot.dtsi"
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@ -17,6 +17,26 @@
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};
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};
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&gpio1 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio2 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio3 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio5 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio6 {
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/delete-property/ u-boot,dm-spl;
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};
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&i2c1 {
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clock-frequency = <400000>;
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};
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@ -21,6 +21,26 @@
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clock-frequency = <400000>;
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};
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&gpio1 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio2 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio3 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio5 {
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/delete-property/ u-boot,dm-spl;
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};
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&gpio6 {
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/delete-property/ u-boot,dm-spl;
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};
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/delete-node/ &uart2;
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/delete-node/ &uart3;
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/delete-node/ &mmc2;
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@ -116,6 +116,13 @@ void board_init_f(ulong dummy)
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/* Perform EEPROM-based board detection */
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do_board_detect();
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#if defined(CONFIG_CPU_V7R) && defined(CONFIG_K3_AVS0)
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ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(k3_avs),
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&dev);
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if (ret)
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printf("AVS init failed: %d\n", ret);
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#endif
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#ifdef CONFIG_K3_AM654_DDRSS
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret)
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@ -118,6 +118,13 @@ void board_init_f(ulong dummy)
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preloader_console_init();
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#endif
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#if defined(CONFIG_CPU_V7R) && defined(CONFIG_K3_AVS0)
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ret = uclass_get_device_by_driver(UCLASS_MISC, DM_GET_DRIVER(k3_avs),
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&dev);
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if (ret)
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printf("AVS init failed: %d\n", ret);
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#endif
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#if defined(CONFIG_K3_J721E_DDRSS)
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret)
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@ -141,6 +141,7 @@ void spl_board_prepare_for_linux(void)
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int misc_init_r(void)
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{
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twl4030_power_init();
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twl4030_power_mmc_init(0);
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omap_die_id_display();
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return 0;
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}
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@ -8,11 +8,13 @@ config EEPROM_BUS_ADDRESS
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int "Board EEPROM's I2C bus address"
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range 0 8
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default 0
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depends on TI_I2C_BOARD_DETECT
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config EEPROM_CHIP_ADDRESS
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hex "Board EEPROM's I2C chip address"
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range 0 0xff
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default 0x50
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depends on TI_I2C_BOARD_DETECT
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config TI_COMMON_CMD_OPTIONS
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bool "Enable cmd options on TI platforms"
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@ -84,6 +84,7 @@ CONFIG_DM_REGULATOR=y
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CONFIG_SPL_DM_REGULATOR=y
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CONFIG_DM_REGULATOR_GPIO=y
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CONFIG_SPL_DM_REGULATOR_GPIO=y
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CONFIG_DM_REGULATOR_TPS62360=y
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CONFIG_RAM=y
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CONFIG_SPL_RAM=y
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CONFIG_K3_SYSTEM_CONTROLLER=y
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@ -98,3 +99,4 @@ CONFIG_TIMER=y
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CONFIG_SPL_TIMER=y
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CONFIG_OMAP_TIMER=y
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CONFIG_FS_FAT_MAX_CLUSTSIZE=16384
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CONFIG_K3_AVS0=y
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@ -45,8 +45,6 @@ CONFIG_CMD_FAT=y
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CONFIG_OF_CONTROL=y
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CONFIG_SPL_OF_CONTROL=y
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CONFIG_DEFAULT_DEVICE_TREE="k3-j721e-r5-common-proc-board"
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CONFIG_SPL_MULTI_DTB_FIT=y
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CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
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CONFIG_DM=y
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CONFIG_SPL_DM=y
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CONFIG_SPL_DM_SEQ_ALIAS=y
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@ -59,10 +57,14 @@ CONFIG_CLK_TI_SCI=y
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CONFIG_TI_SCI_PROTOCOL=y
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CONFIG_DM_GPIO=y
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CONFIG_DA8XX_GPIO=y
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CONFIG_DM_I2C=y
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CONFIG_I2C_SET_DEFAULT_BUS_NUM=y
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CONFIG_SYS_I2C_OMAP24XX=y
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CONFIG_DM_MAILBOX=y
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CONFIG_K3_SEC_PROXY=y
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CONFIG_MISC=y
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CONFIG_FS_LOADER=y
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CONFIG_K3_AVS0=y
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CONFIG_DM_MMC=y
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CONFIG_MMC_SDHCI=y
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CONFIG_MMC_SDHCI_AM654=y
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@ -75,6 +77,11 @@ CONFIG_SPL_PINCTRL=y
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CONFIG_PINCTRL_SINGLE=y
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CONFIG_POWER_DOMAIN=y
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CONFIG_TI_SCI_POWER_DOMAIN=y
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CONFIG_DM_PMIC=y
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CONFIG_PMIC_TPS65941=y
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CONFIG_DM_REGULATOR=y
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CONFIG_SPL_DM_REGULATOR=y
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CONFIG_DM_REGULATOR_TPS65941=y
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CONFIG_K3_SYSTEM_CONTROLLER=y
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CONFIG_REMOTEPROC_TI_K3_ARM64=y
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CONFIG_DM_RESET=y
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|
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@ -4,6 +4,7 @@ CONFIG_ARM=y
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CONFIG_ARCH_OMAP2PLUS=y
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CONFIG_SYS_TEXT_BASE=0x80100000
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CONFIG_TI_COMMON_CMD_OPTIONS=y
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# CONFIG_SPL_GPIO_SUPPORT is not set
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CONFIG_SYS_MALLOC_F_LEN=0x4000
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CONFIG_TARGET_OMAP3_LOGIC=y
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# CONFIG_SPL_OMAP3_ID_NAND is not set
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|
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|
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@ -4,6 +4,7 @@ CONFIG_ARM=y
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CONFIG_ARCH_OMAP2PLUS=y
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CONFIG_SYS_TEXT_BASE=0x80100000
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CONFIG_TI_COMMON_CMD_OPTIONS=y
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# CONFIG_SPL_GPIO_SUPPORT is not set
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CONFIG_SYS_MALLOC_F_LEN=0x4000
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CONFIG_TARGET_OMAP3_LOGIC=y
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# CONFIG_SPL_OMAP3_ID_NAND is not set
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|
|
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|||
|
|
@ -4,6 +4,7 @@ CONFIG_ARM=y
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CONFIG_ARCH_OMAP2PLUS=y
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CONFIG_SYS_TEXT_BASE=0x80100000
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CONFIG_TI_COMMON_CMD_OPTIONS=y
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# CONFIG_SPL_GPIO_SUPPORT is not set
|
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CONFIG_SYS_MALLOC_F_LEN=0x4000
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CONFIG_TARGET_OMAP3_LOGIC=y
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# CONFIG_SPL_OMAP3_ID_NAND is not set
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@
|
|||
#include <errno.h>
|
||||
#include <clk-uclass.h>
|
||||
#include <linux/soc/ti/ti_sci_protocol.h>
|
||||
#include <k3-avs.h>
|
||||
|
||||
/**
|
||||
* struct ti_sci_clk_data - clock controller information structure
|
||||
|
|
@ -101,6 +102,10 @@ static ulong ti_sci_clk_set_rate(struct clk *clk, ulong rate)
|
|||
|
||||
debug("%s(clk=%p, rate=%lu)\n", __func__, clk, rate);
|
||||
|
||||
#ifdef CONFIG_K3_AVS0
|
||||
k3_avs_notify_freq(clk->id, clk->data, rate);
|
||||
#endif
|
||||
|
||||
/* Ask for exact frequency by using same value for min/target/max */
|
||||
ret = cops->set_freq(sci, clk->id, clk->data, rate, rate, rate);
|
||||
if (ret)
|
||||
|
|
|
|||
|
|
@ -421,4 +421,13 @@ config MICROCHIP_FLEXCOM
|
|||
Only one function can be used at a time and is chosen at boot time
|
||||
according to the device tree.
|
||||
|
||||
config K3_AVS0
|
||||
depends on ARCH_K3 && SPL_DM_REGULATOR
|
||||
bool "AVS class 0 support for K3 devices"
|
||||
help
|
||||
K3 devices have the optimized voltage values for the main voltage
|
||||
domains stored in efuse within the VTM IP. This driver reads the
|
||||
optimized voltage from the efuse, so that it can be programmed
|
||||
to the PMIC on board.
|
||||
|
||||
endmenu
|
||||
|
|
|
|||
|
|
@ -66,3 +66,4 @@ obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress_config.o
|
|||
obj-$(CONFIG_WINBOND_W83627) += winbond_w83627.o
|
||||
obj-$(CONFIG_JZ4780_EFUSE) += jz4780_efuse.o
|
||||
obj-$(CONFIG_MICROCHIP_FLEXCOM) += microchip_flexcom.o
|
||||
obj-$(CONFIG_K3_AVS0) += k3_avs.o
|
||||
|
|
|
|||
388
drivers/misc/k3_avs.c
Normal file
388
drivers/misc/k3_avs.c
Normal file
|
|
@ -0,0 +1,388 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
/*
|
||||
* Texas Instruments' K3 Clas 0 Adaptive Voltage Scaling driver
|
||||
*
|
||||
* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
|
||||
* Tero Kristo <t-kristo@ti.com>
|
||||
*
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <dm.h>
|
||||
#include <errno.h>
|
||||
#include <asm/io.h>
|
||||
#include <i2c.h>
|
||||
#include <k3-avs.h>
|
||||
#include <power/regulator.h>
|
||||
|
||||
#define AM6_VTM_DEVINFO(i) (priv->base + 0x100 + 0x20 * (i))
|
||||
#define AM6_VTM_OPPVID_VD(i) (priv->base + 0x104 + 0x20 * (i))
|
||||
|
||||
#define AM6_VTM_AVS0_SUPPORTED BIT(12)
|
||||
|
||||
#define AM6_VTM_OPP_SHIFT(opp) (8 * (opp))
|
||||
#define AM6_VTM_OPP_MASK 0xff
|
||||
|
||||
#define VD_FLAG_INIT_DONE BIT(0)
|
||||
|
||||
struct k3_avs_privdata {
|
||||
void *base;
|
||||
struct vd_config *vd_config;
|
||||
};
|
||||
|
||||
struct opp {
|
||||
u32 freq;
|
||||
u32 volt;
|
||||
};
|
||||
|
||||
struct vd_data {
|
||||
int id;
|
||||
u8 opp;
|
||||
u8 flags;
|
||||
int dev_id;
|
||||
int clk_id;
|
||||
struct opp opps[NUM_OPPS];
|
||||
struct udevice *supply;
|
||||
};
|
||||
|
||||
struct vd_config {
|
||||
struct vd_data *vds;
|
||||
u32 (*efuse_xlate)(struct k3_avs_privdata *priv, int idx, int opp);
|
||||
};
|
||||
|
||||
static struct k3_avs_privdata *k3_avs_priv;
|
||||
|
||||
/**
|
||||
* am6_efuse_voltage: read efuse voltage from VTM
|
||||
* @priv: driver private data
|
||||
* @idx: VD to read efuse for
|
||||
* @opp: opp id to read
|
||||
*
|
||||
* Reads efuse value for the specified OPP, and converts the register
|
||||
* value to a voltage. Returns the voltage in uV, or 0 if nominal voltage
|
||||
* should be used.
|
||||
*
|
||||
* Efuse val to volt conversion logic:
|
||||
*
|
||||
* val > 171 volt increments in 20mV steps with base 171 => 1.66V
|
||||
* val between 115 to 11 increments in 10mV steps with base 115 => 1.1V
|
||||
* val between 15 to 115 increments in 5mV steps with base 15 => .6V
|
||||
* val between 1 to 15 increments in 20mv steps with base 0 => .3V
|
||||
* val 0 is invalid
|
||||
*/
|
||||
static u32 am6_efuse_xlate(struct k3_avs_privdata *priv, int idx, int opp)
|
||||
{
|
||||
u32 val = readl(AM6_VTM_OPPVID_VD(idx));
|
||||
|
||||
val >>= AM6_VTM_OPP_SHIFT(opp);
|
||||
val &= AM6_VTM_OPP_MASK;
|
||||
|
||||
if (!val)
|
||||
return 0;
|
||||
|
||||
if (val > 171)
|
||||
return 1660000 + 20000 * (val - 171);
|
||||
|
||||
if (val > 115)
|
||||
return 1100000 + 10000 * (val - 115);
|
||||
|
||||
if (val > 15)
|
||||
return 600000 + 5000 * (val - 15);
|
||||
|
||||
return 300000 + 20000 * val;
|
||||
}
|
||||
|
||||
static int k3_avs_program_voltage(struct k3_avs_privdata *priv,
|
||||
struct vd_data *vd,
|
||||
int opp_id)
|
||||
{
|
||||
u32 volt = vd->opps[opp_id].volt;
|
||||
struct vd_data *vd2;
|
||||
|
||||
if (!vd->supply)
|
||||
return -ENODEV;
|
||||
|
||||
vd->opp = opp_id;
|
||||
vd->flags |= VD_FLAG_INIT_DONE;
|
||||
|
||||
/* Take care of ganged rails and pick the Max amongst them*/
|
||||
for (vd2 = priv->vd_config->vds; vd2->id >= 0; vd2++) {
|
||||
if (vd == vd2)
|
||||
continue;
|
||||
|
||||
if (vd2->supply != vd->supply)
|
||||
continue;
|
||||
|
||||
if (vd2->opps[vd2->opp].volt > volt)
|
||||
volt = vd2->opps[vd2->opp].volt;
|
||||
|
||||
vd2->flags |= VD_FLAG_INIT_DONE;
|
||||
}
|
||||
|
||||
return regulator_set_value(vd->supply, volt);
|
||||
}
|
||||
|
||||
static struct vd_data *get_vd(struct k3_avs_privdata *priv, int idx)
|
||||
{
|
||||
struct vd_data *vd;
|
||||
|
||||
for (vd = priv->vd_config->vds; vd->id >= 0 && vd->id != idx; vd++)
|
||||
;
|
||||
|
||||
if (vd->id < 0)
|
||||
return NULL;
|
||||
|
||||
return vd;
|
||||
}
|
||||
|
||||
/**
|
||||
* k3_avs_set_opp: Sets the voltage for an arbitrary VD rail
|
||||
* @dev: AVS device
|
||||
* @vdd_id: voltage domain ID
|
||||
* @opp_id: OPP ID
|
||||
*
|
||||
* Programs the desired OPP value for the defined voltage rail. This
|
||||
* should be called from board files if reconfiguration is desired.
|
||||
* Returns 0 on success, negative error value on failure.
|
||||
*/
|
||||
int k3_avs_set_opp(struct udevice *dev, int vdd_id, int opp_id)
|
||||
{
|
||||
struct k3_avs_privdata *priv = dev_get_priv(dev);
|
||||
struct vd_data *vd;
|
||||
|
||||
vd = get_vd(priv, vdd_id);
|
||||
if (!vd)
|
||||
return -EINVAL;
|
||||
|
||||
return k3_avs_program_voltage(priv, vd, opp_id);
|
||||
}
|
||||
|
||||
static int match_opp(struct vd_data *vd, u32 freq)
|
||||
{
|
||||
struct opp *opp;
|
||||
int opp_id;
|
||||
|
||||
for (opp_id = 0; opp_id < NUM_OPPS; opp_id++) {
|
||||
opp = &vd->opps[opp_id];
|
||||
if (opp->freq == freq)
|
||||
return opp_id;
|
||||
}
|
||||
|
||||
printf("No matching OPP found for freq %d.\n", freq);
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/**
|
||||
* k3_avs_notify_freq: Notify clock rate change towards AVS subsystem
|
||||
* @dev_id: Device ID for the clock to be changed
|
||||
* @clk_id: Clock ID for the clock to be changed
|
||||
* @freq: New frequency for clock
|
||||
*
|
||||
* Checks if the provided clock is the MPU clock or not, if not, return
|
||||
* immediately. If MPU clock is provided, maps the provided MPU frequency
|
||||
* towards an MPU OPP, and programs the voltage to the regulator. Return 0
|
||||
* on success, negative error value on failure.
|
||||
*/
|
||||
int k3_avs_notify_freq(int dev_id, int clk_id, u32 freq)
|
||||
{
|
||||
int opp_id;
|
||||
struct k3_avs_privdata *priv = k3_avs_priv;
|
||||
struct vd_data *vd;
|
||||
|
||||
for (vd = priv->vd_config->vds; vd->id >= 0; vd++) {
|
||||
if (vd->dev_id != dev_id || vd->clk_id != clk_id)
|
||||
continue;
|
||||
|
||||
opp_id = match_opp(vd, freq);
|
||||
if (opp_id < 0)
|
||||
return opp_id;
|
||||
|
||||
vd->opp = opp_id;
|
||||
return k3_avs_program_voltage(priv, vd, opp_id);
|
||||
}
|
||||
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int k3_avs_configure(struct udevice *dev, struct k3_avs_privdata *priv)
|
||||
{
|
||||
struct vd_config *conf;
|
||||
int ret;
|
||||
char pname[20];
|
||||
struct vd_data *vd;
|
||||
|
||||
conf = (void *)dev_get_driver_data(dev);
|
||||
|
||||
priv->vd_config = conf;
|
||||
|
||||
for (vd = conf->vds; vd->id >= 0; vd++) {
|
||||
sprintf(pname, "vdd-supply-%d", vd->id);
|
||||
ret = device_get_supply_regulator(dev, pname, &vd->supply);
|
||||
if (ret)
|
||||
dev_warn(dev, "supply not found for VD%d.\n", vd->id);
|
||||
|
||||
sprintf(pname, "ti,default-opp-%d", vd->id);
|
||||
ret = dev_read_u32_default(dev, pname, -1);
|
||||
if (ret != -1)
|
||||
vd->opp = ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* k3_avs_probe: parses VD info from VTM, and re-configures the OPP data
|
||||
*
|
||||
* Parses all VDs on a device calculating the AVS class-0 voltages for them,
|
||||
* and updates the vd_data based on this. The vd_data itself shall be used
|
||||
* to program the required OPPs later on. Returns 0 on success, negative
|
||||
* error value on failure.
|
||||
*/
|
||||
static int k3_avs_probe(struct udevice *dev)
|
||||
{
|
||||
int opp_id;
|
||||
u32 volt;
|
||||
struct opp *opp;
|
||||
struct k3_avs_privdata *priv;
|
||||
struct vd_data *vd;
|
||||
int ret;
|
||||
|
||||
priv = dev_get_priv(dev);
|
||||
|
||||
k3_avs_priv = priv;
|
||||
|
||||
ret = k3_avs_configure(dev, priv);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
priv->base = dev_read_addr_ptr(dev);
|
||||
if (!priv->base)
|
||||
return -ENODEV;
|
||||
|
||||
for (vd = priv->vd_config->vds; vd->id >= 0; vd++) {
|
||||
if (!(readl(AM6_VTM_DEVINFO(vd->id)) &
|
||||
AM6_VTM_AVS0_SUPPORTED)) {
|
||||
dev_warn(dev, "AVS-class 0 not supported for VD%d\n",
|
||||
vd->id);
|
||||
continue;
|
||||
}
|
||||
|
||||
for (opp_id = 0; opp_id < NUM_OPPS; opp_id++) {
|
||||
opp = &vd->opps[opp_id];
|
||||
|
||||
if (!opp->freq)
|
||||
continue;
|
||||
|
||||
volt = priv->vd_config->efuse_xlate(priv, vd->id,
|
||||
opp_id);
|
||||
if (volt)
|
||||
opp->volt = volt;
|
||||
}
|
||||
}
|
||||
|
||||
for (vd = priv->vd_config->vds; vd->id >= 0; vd++) {
|
||||
if (vd->flags & VD_FLAG_INIT_DONE)
|
||||
continue;
|
||||
|
||||
k3_avs_program_voltage(priv, vd, vd->opp);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct vd_data am654_vd_data[] = {
|
||||
{
|
||||
.id = AM6_VDD_CORE,
|
||||
.dev_id = 82, /* AM6_DEV_CBASS0 */
|
||||
.clk_id = 0, /* main sysclk0 */
|
||||
.opp = AM6_OPP_NOM,
|
||||
.opps = {
|
||||
[AM6_OPP_NOM] = {
|
||||
.volt = 1000000,
|
||||
.freq = 250000000, /* CBASS0 */
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
.id = AM6_VDD_MPU0,
|
||||
.dev_id = 202, /* AM6_DEV_COMPUTE_CLUSTER_A53_0 */
|
||||
.clk_id = 0, /* ARM clock */
|
||||
.opp = AM6_OPP_NOM,
|
||||
.opps = {
|
||||
[AM6_OPP_NOM] = {
|
||||
.volt = 1000000,
|
||||
.freq = 800000000,
|
||||
},
|
||||
[AM6_OPP_OD] = {
|
||||
.volt = 1100000,
|
||||
.freq = 1000000000,
|
||||
},
|
||||
[AM6_OPP_TURBO] = {
|
||||
.volt = 1220000,
|
||||
.freq = 1100000000,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
.id = AM6_VDD_MPU1,
|
||||
.opp = AM6_OPP_NOM,
|
||||
.dev_id = 204, /* AM6_DEV_COMPUTE_CLUSTER_A53_2 */
|
||||
.clk_id = 0, /* ARM clock */
|
||||
.opps = {
|
||||
[AM6_OPP_NOM] = {
|
||||
.volt = 1000000,
|
||||
.freq = 800000000,
|
||||
},
|
||||
[AM6_OPP_OD] = {
|
||||
.volt = 1100000,
|
||||
.freq = 1000000000,
|
||||
},
|
||||
[AM6_OPP_TURBO] = {
|
||||
.volt = 1220000,
|
||||
.freq = 1100000000,
|
||||
},
|
||||
},
|
||||
},
|
||||
{ .id = -1 },
|
||||
};
|
||||
|
||||
static struct vd_data j721e_vd_data[] = {
|
||||
{
|
||||
.id = J721E_VDD_MPU,
|
||||
.opp = AM6_OPP_NOM,
|
||||
.dev_id = 202, /* J721E_DEV_A72SS0_CORE0 */
|
||||
.clk_id = 2, /* ARM clock */
|
||||
.opps = {
|
||||
[AM6_OPP_NOM] = {
|
||||
.volt = 880000, /* TBD in DM */
|
||||
.freq = 2000000000,
|
||||
},
|
||||
},
|
||||
},
|
||||
{ .id = -1 },
|
||||
};
|
||||
|
||||
static struct vd_config j721e_vd_config = {
|
||||
.efuse_xlate = am6_efuse_xlate,
|
||||
.vds = j721e_vd_data,
|
||||
};
|
||||
|
||||
static struct vd_config am654_vd_config = {
|
||||
.efuse_xlate = am6_efuse_xlate,
|
||||
.vds = am654_vd_data,
|
||||
};
|
||||
|
||||
static const struct udevice_id k3_avs_ids[] = {
|
||||
{ .compatible = "ti,am654-avs", .data = (ulong)&am654_vd_config },
|
||||
{ .compatible = "ti,j721e-avs", .data = (ulong)&j721e_vd_config },
|
||||
{}
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(k3_avs) = {
|
||||
.name = "k3_avs",
|
||||
.of_match = k3_avs_ids,
|
||||
.id = UCLASS_MISC,
|
||||
.probe = k3_avs_probe,
|
||||
.priv_auto_alloc_size = sizeof(struct k3_avs_privdata),
|
||||
};
|
||||
|
|
@ -275,3 +275,10 @@ config SPL_PMIC_LP87565
|
|||
help
|
||||
The LP87565 is a PMIC containing a bunch of SMPS.
|
||||
This driver binds the pmic children in SPL.
|
||||
|
||||
config PMIC_TPS65941
|
||||
bool "Enable driver for Texas Instruments TPS65941 PMIC"
|
||||
depends on DM_PMIC
|
||||
help
|
||||
The TPS65941 is a PMIC containing a bunch of SMPS & LDOs.
|
||||
This driver binds the pmic children.
|
||||
|
|
|
|||
|
|
@ -39,3 +39,4 @@ obj-$(CONFIG_POWER_TPS65218) += pmic_tps65218.o
|
|||
obj-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o
|
||||
obj-$(CONFIG_POWER_HI6553) += pmic_hi6553.o
|
||||
obj-$(CONFIG_POWER_MC34VR500) += pmic_mc34vr500.o
|
||||
obj-$(CONFIG_PMIC_TPS65941) += tps65941.o
|
||||
|
|
|
|||
83
drivers/power/pmic/tps65941.c
Normal file
83
drivers/power/pmic/tps65941.c
Normal file
|
|
@ -0,0 +1,83 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
/*
|
||||
* (C) Copyright 2019 Texas Instruments Incorporated, <www.ti.com>
|
||||
* Keerthy <j-keerthy@ti.com>
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <fdtdec.h>
|
||||
#include <errno.h>
|
||||
#include <dm.h>
|
||||
#include <i2c.h>
|
||||
#include <power/pmic.h>
|
||||
#include <power/regulator.h>
|
||||
#include <power/tps65941.h>
|
||||
#include <dm/device.h>
|
||||
|
||||
static const struct pmic_child_info pmic_children_info[] = {
|
||||
{ .prefix = "ldo", .driver = TPS65941_LDO_DRIVER },
|
||||
{ .prefix = "buck", .driver = TPS65941_BUCK_DRIVER },
|
||||
{ },
|
||||
};
|
||||
|
||||
static int tps65941_write(struct udevice *dev, uint reg, const uint8_t *buff,
|
||||
int len)
|
||||
{
|
||||
if (dm_i2c_write(dev, reg, buff, len)) {
|
||||
pr_err("write error to device: %p register: %#x!\n", dev, reg);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tps65941_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
|
||||
{
|
||||
if (dm_i2c_read(dev, reg, buff, len)) {
|
||||
pr_err("read error from device: %p register: %#x!\n", dev, reg);
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tps65941_bind(struct udevice *dev)
|
||||
{
|
||||
ofnode regulators_node;
|
||||
int children;
|
||||
|
||||
regulators_node = dev_read_subnode(dev, "regulators");
|
||||
if (!ofnode_valid(regulators_node)) {
|
||||
debug("%s: %s regulators subnode not found!\n", __func__,
|
||||
dev->name);
|
||||
return -ENXIO;
|
||||
}
|
||||
|
||||
debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
|
||||
|
||||
children = pmic_bind_children(dev, regulators_node, pmic_children_info);
|
||||
if (!children)
|
||||
printf("%s: %s - no child found\n", __func__, dev->name);
|
||||
|
||||
/* Always return success for this device */
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct dm_pmic_ops tps65941_ops = {
|
||||
.read = tps65941_read,
|
||||
.write = tps65941_write,
|
||||
};
|
||||
|
||||
static const struct udevice_id tps65941_ids[] = {
|
||||
{ .compatible = "ti,tps659411", .data = TPS659411 },
|
||||
{ .compatible = "ti,tps659413", .data = TPS659413 },
|
||||
{ }
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(pmic_tps65941) = {
|
||||
.name = "tps65941_pmic",
|
||||
.id = UCLASS_PMIC,
|
||||
.of_match = tps65941_ids,
|
||||
.bind = tps65941_bind,
|
||||
.ops = &tps65941_ops,
|
||||
};
|
||||
|
|
@ -273,6 +273,16 @@ config DM_REGULATOR_TPS65910
|
|||
regulator types of the TPS65910 (BUCK, BOOST and LDO). It implements
|
||||
the get/set api for value and enable.
|
||||
|
||||
config DM_REGULATOR_TPS62360
|
||||
bool "Enable driver for TPS6236x Power Regulator"
|
||||
depends on DM_REGULATOR
|
||||
help
|
||||
The TPS6236X DC/DC step down converter provides a single output
|
||||
power line peaking at 3A current. This driver supports all four
|
||||
variants of the chip (TPS62360, TPS62361, TPS62362, TPS62363). It
|
||||
implements the get/set api for value only, as the power line is
|
||||
always on.
|
||||
|
||||
config DM_REGULATOR_STPMIC1
|
||||
bool "Enable driver for STPMIC1 regulators"
|
||||
depends on DM_REGULATOR && PMIC_STPMIC1
|
||||
|
|
@ -313,3 +323,13 @@ config SPL_DM_REGULATOR_LP873X
|
|||
This enables implementation of driver-model regulator uclass
|
||||
features for REGULATOR LP873X and the family of LP873X PMICs.
|
||||
The driver implements get/set api for: value and enable in SPL.
|
||||
|
||||
config DM_REGULATOR_TPS65941
|
||||
bool "Enable driver for TPS65941 PMIC regulators"
|
||||
depends on PMIC_TPS65941
|
||||
help
|
||||
This enables implementation of driver-model regulator uclass
|
||||
features for REGULATOR TPS65941 and the family of TPS65941 PMICs.
|
||||
TPS65941 series of PMICs have 5 single phase BUCKs that can also
|
||||
be configured in multi phase modes & 4 LDOs. The driver implements
|
||||
get/set api for value and enable.
|
||||
|
|
|
|||
|
|
@ -26,4 +26,6 @@ obj-$(CONFIG_$(SPL_)DM_REGULATOR_LP873X) += lp873x_regulator.o
|
|||
obj-$(CONFIG_$(SPL_)DM_REGULATOR_LP87565) += lp87565_regulator.o
|
||||
obj-$(CONFIG_$(SPL_)DM_REGULATOR_STM32_VREFBUF) += stm32-vrefbuf.o
|
||||
obj-$(CONFIG_DM_REGULATOR_TPS65910) += tps65910_regulator.o
|
||||
obj-$(CONFIG_DM_REGULATOR_TPS62360) += tps62360_regulator.o
|
||||
obj-$(CONFIG_$(SPL_)DM_REGULATOR_STPMIC1) += stpmic1.o
|
||||
obj-$(CONFIG_DM_REGULATOR_TPS65941) += tps65941_regulator.o
|
||||
|
|
|
|||
123
drivers/power/regulator/tps62360_regulator.c
Normal file
123
drivers/power/regulator/tps62360_regulator.c
Normal file
|
|
@ -0,0 +1,123 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
/*
|
||||
* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
|
||||
* Tero Kristo <t-kristo@ti.com>
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <dm.h>
|
||||
#include <i2c.h>
|
||||
#include <power/regulator.h>
|
||||
|
||||
#define TPS62360_REG_SET0 0
|
||||
|
||||
#define TPS62360_I2C_CHIP 0x60
|
||||
|
||||
#define TPS62360_VSEL_STEPSIZE 10000 /* In uV */
|
||||
|
||||
struct tps62360_regulator_config {
|
||||
u32 vmin;
|
||||
u32 vmax;
|
||||
};
|
||||
|
||||
struct tps62360_regulator_pdata {
|
||||
u8 vsel_offset;
|
||||
struct udevice *i2c;
|
||||
struct tps62360_regulator_config *config;
|
||||
};
|
||||
|
||||
/*
|
||||
* TPS62362/TPS62363 are just re-using these values for now, their preset
|
||||
* voltage values are just different compared to TPS62360/TPS62361.
|
||||
*/
|
||||
static struct tps62360_regulator_config tps62360_data = {
|
||||
.vmin = 770000,
|
||||
.vmax = 1400000,
|
||||
};
|
||||
|
||||
static struct tps62360_regulator_config tps62361_data = {
|
||||
.vmin = 500000,
|
||||
.vmax = 1770000,
|
||||
};
|
||||
|
||||
static int tps62360_regulator_set_value(struct udevice *dev, int uV)
|
||||
{
|
||||
struct tps62360_regulator_pdata *pdata = dev_get_platdata(dev);
|
||||
u8 regval;
|
||||
|
||||
if (uV < pdata->config->vmin || uV > pdata->config->vmax)
|
||||
return -EINVAL;
|
||||
|
||||
uV -= pdata->config->vmin;
|
||||
|
||||
uV = DIV_ROUND_UP(uV, TPS62360_VSEL_STEPSIZE);
|
||||
|
||||
if (uV > U8_MAX)
|
||||
return -EINVAL;
|
||||
|
||||
regval = (u8)uV;
|
||||
|
||||
return dm_i2c_write(pdata->i2c, TPS62360_REG_SET0 + pdata->vsel_offset,
|
||||
®val, 1);
|
||||
}
|
||||
|
||||
static int tps62360_regulator_get_value(struct udevice *dev)
|
||||
{
|
||||
u8 regval;
|
||||
int ret;
|
||||
struct tps62360_regulator_pdata *pdata = dev_get_platdata(dev);
|
||||
|
||||
ret = dm_i2c_read(pdata->i2c, TPS62360_REG_SET0 + pdata->vsel_offset,
|
||||
®val, 1);
|
||||
if (ret) {
|
||||
dev_err(dev, "i2c read failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return (u32)regval * TPS62360_VSEL_STEPSIZE + pdata->config->vmin;
|
||||
}
|
||||
|
||||
static int tps62360_regulator_ofdata_to_platdata(struct udevice *dev)
|
||||
{
|
||||
struct tps62360_regulator_pdata *pdata = dev_get_platdata(dev);
|
||||
u8 vsel0;
|
||||
u8 vsel1;
|
||||
int ret;
|
||||
|
||||
pdata->config = (void *)dev_get_driver_data(dev);
|
||||
|
||||
vsel0 = dev_read_bool(dev, "ti,vsel0-state-high");
|
||||
vsel1 = dev_read_bool(dev, "ti,vsel1-state-high");
|
||||
|
||||
pdata->vsel_offset = vsel0 + vsel1 * 2;
|
||||
|
||||
ret = i2c_get_chip(dev->parent, TPS62360_I2C_CHIP, 1, &pdata->i2c);
|
||||
if (ret) {
|
||||
dev_err(dev, "i2c dev get failed.\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dm_regulator_ops tps62360_regulator_ops = {
|
||||
.get_value = tps62360_regulator_get_value,
|
||||
.set_value = tps62360_regulator_set_value,
|
||||
};
|
||||
|
||||
static const struct udevice_id tps62360_regulator_ids[] = {
|
||||
{ .compatible = "ti,tps62360", .data = (ulong)&tps62360_data },
|
||||
{ .compatible = "ti,tps62361", .data = (ulong)&tps62361_data },
|
||||
{ .compatible = "ti,tps62362", .data = (ulong)&tps62360_data },
|
||||
{ .compatible = "ti,tps62363", .data = (ulong)&tps62361_data },
|
||||
{ },
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(tps62360_regulator) = {
|
||||
.name = "tps62360_regulator",
|
||||
.id = UCLASS_REGULATOR,
|
||||
.ops = &tps62360_regulator_ops,
|
||||
.of_match = tps62360_regulator_ids,
|
||||
.platdata_auto_alloc_size = sizeof(struct tps62360_regulator_pdata),
|
||||
.ofdata_to_platdata = tps62360_regulator_ofdata_to_platdata,
|
||||
};
|
||||
407
drivers/power/regulator/tps65941_regulator.c
Normal file
407
drivers/power/regulator/tps65941_regulator.c
Normal file
|
|
@ -0,0 +1,407 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
/*
|
||||
* (C) Copyright 2019
|
||||
* Texas Instruments Incorporated, <www.ti.com>
|
||||
*
|
||||
* Keerthy <j-keerthy@ti.com>
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <fdtdec.h>
|
||||
#include <errno.h>
|
||||
#include <dm.h>
|
||||
#include <i2c.h>
|
||||
#include <power/pmic.h>
|
||||
#include <power/regulator.h>
|
||||
#include <power/tps65941.h>
|
||||
|
||||
static const char tps65941_buck_ctrl[TPS65941_BUCK_NUM] = {0x4, 0x6, 0x8, 0xA,
|
||||
0xC};
|
||||
static const char tps65941_buck_vout[TPS65941_BUCK_NUM] = {0xE, 0x10, 0x12,
|
||||
0x14, 0x16};
|
||||
static const char tps65941_ldo_ctrl[TPS65941_BUCK_NUM] = {0x1D, 0x1E, 0x1F,
|
||||
0x20};
|
||||
static const char tps65941_ldo_vout[TPS65941_BUCK_NUM] = {0x23, 0x24, 0x25,
|
||||
0x26};
|
||||
|
||||
static int tps65941_buck_enable(struct udevice *dev, int op, bool *enable)
|
||||
{
|
||||
int ret;
|
||||
unsigned int adr;
|
||||
struct dm_regulator_uclass_platdata *uc_pdata;
|
||||
|
||||
uc_pdata = dev_get_uclass_platdata(dev);
|
||||
adr = uc_pdata->ctrl_reg;
|
||||
|
||||
ret = pmic_reg_read(dev->parent, adr);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
if (op == PMIC_OP_GET) {
|
||||
ret &= TPS65941_BUCK_MODE_MASK;
|
||||
|
||||
if (ret)
|
||||
*enable = true;
|
||||
else
|
||||
*enable = false;
|
||||
|
||||
return 0;
|
||||
} else if (op == PMIC_OP_SET) {
|
||||
if (*enable)
|
||||
ret |= TPS65941_BUCK_MODE_MASK;
|
||||
else
|
||||
ret &= ~TPS65941_BUCK_MODE_MASK;
|
||||
ret = pmic_reg_write(dev->parent, adr, ret);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tps65941_buck_volt2val(int uV)
|
||||
{
|
||||
if (uV > TPS65941_BUCK_VOLT_MAX)
|
||||
return -EINVAL;
|
||||
else if (uV > 1650000)
|
||||
return (uV - 1660000) / 20000 + 0xAB;
|
||||
else if (uV > 1110000)
|
||||
return (uV - 1110000) / 10000 + 0x73;
|
||||
else if (uV > 600000)
|
||||
return (uV - 600000) / 5000 + 0x0F;
|
||||
else if (uV >= 300000)
|
||||
return (uV - 300000) / 20000 + 0x00;
|
||||
else
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int tps65941_buck_val2volt(int val)
|
||||
{
|
||||
if (val > TPS65941_BUCK_VOLT_MAX_HEX)
|
||||
return -EINVAL;
|
||||
else if (val > 0xAB)
|
||||
return 1660000 + (val - 0xAB) * 20000;
|
||||
else if (val > 0x73)
|
||||
return 1100000 + (val - 0x73) * 10000;
|
||||
else if (val > 0xF)
|
||||
return 600000 + (val - 0xF) * 5000;
|
||||
else if (val >= 0x0)
|
||||
return 300000 + val * 5000;
|
||||
else
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
int tps65941_lookup_slew(int id)
|
||||
{
|
||||
switch (id) {
|
||||
case 0:
|
||||
return 33000;
|
||||
case 1:
|
||||
return 20000;
|
||||
case 2:
|
||||
return 10000;
|
||||
case 3:
|
||||
return 5000;
|
||||
case 4:
|
||||
return 2500;
|
||||
case 5:
|
||||
return 1300;
|
||||
case 6:
|
||||
return 630;
|
||||
case 7:
|
||||
return 310;
|
||||
default:
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
static int tps65941_buck_val(struct udevice *dev, int op, int *uV)
|
||||
{
|
||||
unsigned int hex, adr;
|
||||
int ret, delta, uwait, slew;
|
||||
struct dm_regulator_uclass_platdata *uc_pdata;
|
||||
|
||||
uc_pdata = dev_get_uclass_platdata(dev);
|
||||
|
||||
if (op == PMIC_OP_GET)
|
||||
*uV = 0;
|
||||
|
||||
adr = uc_pdata->volt_reg;
|
||||
|
||||
ret = pmic_reg_read(dev->parent, adr);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret &= TPS65941_BUCK_VOLT_MASK;
|
||||
ret = tps65941_buck_val2volt(ret);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
if (op == PMIC_OP_GET) {
|
||||
*uV = ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Compute the delta voltage, find the slew rate and wait
|
||||
* for the appropriate amount of time after voltage switch
|
||||
*/
|
||||
if (*uV > ret)
|
||||
delta = *uV - ret;
|
||||
else
|
||||
delta = ret - *uV;
|
||||
|
||||
slew = pmic_reg_read(dev->parent, uc_pdata->ctrl_reg + 1);
|
||||
if (slew < 0)
|
||||
return ret;
|
||||
|
||||
slew &= TP65941_BUCK_CONF_SLEW_MASK;
|
||||
slew = tps65941_lookup_slew(slew);
|
||||
if (slew <= 0)
|
||||
return ret;
|
||||
|
||||
uwait = delta / slew;
|
||||
|
||||
hex = tps65941_buck_volt2val(*uV);
|
||||
if (hex < 0)
|
||||
return hex;
|
||||
|
||||
ret &= 0x0;
|
||||
ret = hex;
|
||||
|
||||
ret = pmic_reg_write(dev->parent, adr, ret);
|
||||
|
||||
udelay(uwait);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tps65941_ldo_enable(struct udevice *dev, int op, bool *enable)
|
||||
{
|
||||
int ret;
|
||||
unsigned int adr;
|
||||
struct dm_regulator_uclass_platdata *uc_pdata;
|
||||
|
||||
uc_pdata = dev_get_uclass_platdata(dev);
|
||||
adr = uc_pdata->ctrl_reg;
|
||||
|
||||
ret = pmic_reg_read(dev->parent, adr);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
if (op == PMIC_OP_GET) {
|
||||
ret &= TPS65941_LDO_MODE_MASK;
|
||||
|
||||
if (ret)
|
||||
*enable = true;
|
||||
else
|
||||
*enable = false;
|
||||
|
||||
return 0;
|
||||
} else if (op == PMIC_OP_SET) {
|
||||
if (*enable)
|
||||
ret |= TPS65941_LDO_MODE_MASK;
|
||||
else
|
||||
ret &= ~TPS65941_LDO_MODE_MASK;
|
||||
ret = pmic_reg_write(dev->parent, adr, ret);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tps65941_ldo_val2volt(int val)
|
||||
{
|
||||
if (val > TPS65941_LDO_VOLT_MAX_HEX || val < TPS65941_LDO_VOLT_MIN_HEX)
|
||||
return -EINVAL;
|
||||
else if (val >= TPS65941_LDO_VOLT_MIN_HEX)
|
||||
return 600000 + (val - TPS65941_LDO_VOLT_MIN_HEX) * 50000;
|
||||
else
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int tps65941_ldo_val(struct udevice *dev, int op, int *uV)
|
||||
{
|
||||
unsigned int hex, adr;
|
||||
int ret;
|
||||
struct dm_regulator_uclass_platdata *uc_pdata;
|
||||
|
||||
uc_pdata = dev_get_uclass_platdata(dev);
|
||||
|
||||
if (op == PMIC_OP_GET)
|
||||
*uV = 0;
|
||||
|
||||
adr = uc_pdata->volt_reg;
|
||||
|
||||
ret = pmic_reg_read(dev->parent, adr);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret &= TPS65941_LDO_VOLT_MASK;
|
||||
ret = tps65941_ldo_val2volt(ret);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
if (op == PMIC_OP_GET) {
|
||||
*uV = ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
hex = tps65941_buck_volt2val(*uV);
|
||||
if (hex < 0)
|
||||
return hex;
|
||||
|
||||
ret &= 0x0;
|
||||
ret = hex;
|
||||
|
||||
ret = pmic_reg_write(dev->parent, adr, ret);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int tps65941_ldo_probe(struct udevice *dev)
|
||||
{
|
||||
struct dm_regulator_uclass_platdata *uc_pdata;
|
||||
int idx;
|
||||
|
||||
uc_pdata = dev_get_uclass_platdata(dev);
|
||||
uc_pdata->type = REGULATOR_TYPE_LDO;
|
||||
|
||||
idx = dev->driver_data;
|
||||
if (idx == 1 || idx == 2 || idx == 3 || idx == 4) {
|
||||
debug("Single phase regulator\n");
|
||||
} else {
|
||||
printf("Wrong ID for regulator\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
uc_pdata->ctrl_reg = tps65941_ldo_ctrl[idx - 1];
|
||||
uc_pdata->volt_reg = tps65941_ldo_vout[idx - 1];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tps65941_buck_probe(struct udevice *dev)
|
||||
{
|
||||
struct dm_regulator_uclass_platdata *uc_pdata;
|
||||
int idx;
|
||||
|
||||
uc_pdata = dev_get_uclass_platdata(dev);
|
||||
uc_pdata->type = REGULATOR_TYPE_BUCK;
|
||||
|
||||
idx = dev->driver_data;
|
||||
if (idx == 1 || idx == 2 || idx == 3 || idx == 4 || idx == 5) {
|
||||
debug("Single phase regulator\n");
|
||||
} else if (idx == 12) {
|
||||
idx = 1;
|
||||
} else if (idx == 34) {
|
||||
idx = 3;
|
||||
} else if (idx == 1234) {
|
||||
idx = 1;
|
||||
} else {
|
||||
printf("Wrong ID for regulator\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
uc_pdata->ctrl_reg = tps65941_buck_ctrl[idx - 1];
|
||||
uc_pdata->volt_reg = tps65941_buck_vout[idx - 1];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ldo_get_value(struct udevice *dev)
|
||||
{
|
||||
int uV;
|
||||
int ret;
|
||||
|
||||
ret = tps65941_ldo_val(dev, PMIC_OP_GET, &uV);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return uV;
|
||||
}
|
||||
|
||||
static int ldo_set_value(struct udevice *dev, int uV)
|
||||
{
|
||||
return tps65941_ldo_val(dev, PMIC_OP_SET, &uV);
|
||||
}
|
||||
|
||||
static int ldo_get_enable(struct udevice *dev)
|
||||
{
|
||||
bool enable = false;
|
||||
int ret;
|
||||
|
||||
ret = tps65941_ldo_enable(dev, PMIC_OP_GET, &enable);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return enable;
|
||||
}
|
||||
|
||||
static int ldo_set_enable(struct udevice *dev, bool enable)
|
||||
{
|
||||
return tps65941_ldo_enable(dev, PMIC_OP_SET, &enable);
|
||||
}
|
||||
|
||||
static int buck_get_value(struct udevice *dev)
|
||||
{
|
||||
int uV;
|
||||
int ret;
|
||||
|
||||
ret = tps65941_buck_val(dev, PMIC_OP_GET, &uV);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return uV;
|
||||
}
|
||||
|
||||
static int buck_set_value(struct udevice *dev, int uV)
|
||||
{
|
||||
return tps65941_buck_val(dev, PMIC_OP_SET, &uV);
|
||||
}
|
||||
|
||||
static int buck_get_enable(struct udevice *dev)
|
||||
{
|
||||
bool enable = false;
|
||||
int ret;
|
||||
|
||||
ret = tps65941_buck_enable(dev, PMIC_OP_GET, &enable);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return enable;
|
||||
}
|
||||
|
||||
static int buck_set_enable(struct udevice *dev, bool enable)
|
||||
{
|
||||
return tps65941_buck_enable(dev, PMIC_OP_SET, &enable);
|
||||
}
|
||||
|
||||
static const struct dm_regulator_ops tps65941_ldo_ops = {
|
||||
.get_value = ldo_get_value,
|
||||
.set_value = ldo_set_value,
|
||||
.get_enable = ldo_get_enable,
|
||||
.set_enable = ldo_set_enable,
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(tps65941_ldo) = {
|
||||
.name = TPS65941_LDO_DRIVER,
|
||||
.id = UCLASS_REGULATOR,
|
||||
.ops = &tps65941_ldo_ops,
|
||||
.probe = tps65941_ldo_probe,
|
||||
};
|
||||
|
||||
static const struct dm_regulator_ops tps65941_buck_ops = {
|
||||
.get_value = buck_get_value,
|
||||
.set_value = buck_set_value,
|
||||
.get_enable = buck_get_enable,
|
||||
.set_enable = buck_set_enable,
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(tps65941_buck) = {
|
||||
.name = TPS65941_BUCK_DRIVER,
|
||||
.id = UCLASS_REGULATOR,
|
||||
.ops = &tps65941_buck_ops,
|
||||
.probe = tps65941_buck_probe,
|
||||
};
|
||||
30
include/k3-avs.h
Normal file
30
include/k3-avs.h
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
/*
|
||||
* Texas Instruments' K3 Adaptive Voltage Scaling driver
|
||||
*
|
||||
* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
|
||||
* Tero Kristo <t-kristo@ti.com>
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _K3_AVS0_
|
||||
#define _K3_AVS0_
|
||||
|
||||
#define AM6_VDD_WKUP 0
|
||||
#define AM6_VDD_MCU 1
|
||||
#define AM6_VDD_CORE 2
|
||||
#define AM6_VDD_MPU0 3
|
||||
#define AM6_VDD_MPU1 4
|
||||
|
||||
#define J721E_VDD_MPU 2
|
||||
|
||||
#define NUM_OPPS 4
|
||||
|
||||
#define AM6_OPP_NOM 1
|
||||
#define AM6_OPP_OD 2
|
||||
#define AM6_OPP_TURBO 3
|
||||
|
||||
int k3_avs_set_opp(struct udevice *dev, int vdd_id, int opp_id);
|
||||
int k3_avs_notify_freq(int dev_id, int clk_id, u32 freq);
|
||||
|
||||
#endif
|
||||
26
include/power/tps65941.h
Normal file
26
include/power/tps65941.h
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
#define TPS659411 0x0
|
||||
#define TPS659412 0x1
|
||||
#define TPS659413 0x2
|
||||
#define TPS659414 0x3
|
||||
|
||||
/* I2C device address for pmic tps65941 */
|
||||
#define TPS65941_I2C_ADDR (0x12 >> 1)
|
||||
#define TPS65941_LDO_NUM 4
|
||||
#define TPS65941_BUCK_NUM 5
|
||||
|
||||
/* Drivers name */
|
||||
#define TPS65941_LDO_DRIVER "tps65941_ldo"
|
||||
#define TPS65941_BUCK_DRIVER "tps65941_buck"
|
||||
|
||||
#define TPS65941_BUCK_VOLT_MASK 0xFF
|
||||
#define TPS65941_BUCK_VOLT_MAX_HEX 0xFF
|
||||
#define TPS65941_BUCK_VOLT_MAX 3340000
|
||||
#define TPS65941_BUCK_MODE_MASK 0x1
|
||||
|
||||
#define TPS65941_LDO_VOLT_MASK 0x3E
|
||||
#define TPS65941_LDO_VOLT_MAX_HEX 0x3A
|
||||
#define TPS65941_LDO_VOLT_MIN_HEX 0x4
|
||||
#define TPS65941_LDO_VOLT_MAX 3300000
|
||||
#define TPS65941_LDO_MODE_MASK 0x1
|
||||
#define TPS65941_LDO_BYPASS_EN 0x80
|
||||
#define TP65941_BUCK_CONF_SLEW_MASK 0x7
|
||||
Loading…
Reference in a new issue