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arm: dts: am642-evm: Add I2C nodes

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Add I2C nodes for AM64 and enable pinmux for i2c0 for reading eeprom data.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2021-05-06 16:44:58 +05:30
parent e922b5a963
commit 45b7a9fc08
3 changed files with 64 additions and 0 deletions
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44
arch/arm/dts/k3-am64-main.dtsi
View file

@ -446,4 +446,48 @@
clocks = <&k3_clks 78 0>;
clock-names = "gpio";
};
main_i2c0: i2c@20000000 {
compatible = "ti,am64-i2c", "ti,omap4-i2c";
reg = <0x0 0x20000000 0x0 0x100>;
interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clock-names = "fck";
clocks = <&k3_clks 102 2>;
power-domains = <&k3_pds 102 TI_SCI_PD_EXCLUSIVE>;
};
main_i2c1: i2c@20010000 {
compatible = "ti,am64-i2c", "ti,omap4-i2c";
reg = <0x0 0x20010000 0x0 0x100>;
interrupts = <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clock-names = "fck";
clocks = <&k3_clks 103 2>;
power-domains = <&k3_pds 103 TI_SCI_PD_EXCLUSIVE>;
};
main_i2c2: i2c@20020000 {
compatible = "ti,am64-i2c", "ti,omap4-i2c";
reg = <0x00 0x20020000 0x0 0x100>;
interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clock-names = "fck";
clocks = <&k3_clks 104 2>;
power-domains = <&k3_pds 104 TI_SCI_PD_EXCLUSIVE>;
};
main_i2c3: i2c@20030000 {
compatible = "ti,am64-i2c", "ti,omap4-i2c";
reg = <0x00 0x20030000 0x0 0x100>;
interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clock-names = "fck";
clocks = <&k3_clks 105 2>;
power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>;
};
};

2
arch/arm/dts/k3-am64.dtsi
View file

@ -28,6 +28,8 @@
serial6 = &main_uart4;
serial7 = &main_uart5;
serial8 = &main_uart6;
i2c0 = &main_i2c0;
i2c1 = &main_i2c1;
};
chosen { };

18
arch/arm/dts/k3-am642-evm-u-boot.dtsi
View file

@ -28,6 +28,24 @@
};
};
&main_pmx0 {
u-boot,dm-spl;
main_i2c0_pins_default: main-i2c0-pins-default {
u-boot,dm-spl;
pinctrl-single,pins = <
AM64X_IOPAD(0x0260, PIN_INPUT_PULLUP, 0) /* (A18) I2C0_SCL */
AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
>;
};
};
&main_i2c0 {
u-boot,dm-spl;
pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;
};
&main_uart0 {
u-boot,dm-spl;
};