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stm32mp1: pwr: use the last binding for pwr

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Update the driver to use the latest binding from kernel v5.5-rc1:
no more use syscon or regmap to access to pwr register and
only one pwr_regulators node with the compatibility "st,stm32mp1,pwr-reg"
is available.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay 2020-01-28 10:10:59 +01:00
parent 4f28092783
commit 7915b9914e
9 changed files with 41 additions and 62 deletions
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2
arch/arm/dts/stm32mp157-u-boot.dtsi
View file

@ -128,7 +128,7 @@
u-boot,dm-pre-reloc;
};
&pwr {
&pwr_regulators {
u-boot,dm-pre-reloc;
};

8
arch/arm/dts/stm32mp157a-avenger96.dts
View file

@ -282,11 +282,9 @@
status = "okay";
};
&pwr {
pwr-regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&pwr_regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&rng1 {

8
arch/arm/dts/stm32mp157a-dk1.dts
View file

@ -397,11 +397,9 @@
status = "okay";
};
&pwr {
pwr-regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&pwr_regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&rng1 {

8
arch/arm/dts/stm32mp157c-ed1.dts
View file

@ -263,11 +263,9 @@
status = "okay";
};
&pwr {
pwr-regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&pwr_regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&rng1 {

44
arch/arm/dts/stm32mp157c.dtsi
View file

@ -1110,36 +1110,26 @@
#reset-cells = <1>;
};
pwr: pwr@50001000 {
compatible = "st,stm32mp1-pwr", "st,stm32-pwr", "syscon", "simple-mfd";
reg = <0x50001000 0x400>;
system-power-controller;
interrupts = <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
st,sysrcc = <&rcc>;
clocks = <&rcc PLL2_R>;
clock-names = "phyclk";
pwr_regulators: pwr@50001000 {
compatible = "st,stm32mp1,pwr-reg";
reg = <0x50001000 0x10>;
pwr-regulators {
compatible = "st,stm32mp1,pwr-reg";
st,tzcr = <&rcc 0x0 0x1>;
reg11: reg11 {
regulator-name = "reg11";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
};
reg11: reg11 {
regulator-name = "reg11";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
};
reg18: reg18 {
regulator-name = "reg18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
reg18: reg18 {
regulator-name = "reg18";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
usb33: usb33 {
regulator-name = "usb33";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
usb33: usb33 {
regulator-name = "usb33";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};

8
arch/arm/dts/stm32mp15xx-dhcom.dtsi
View file

@ -217,11 +217,9 @@
status = "okay";
};
&pwr {
pwr-regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&pwr_regulators {
vdd-supply = <&vdd>;
vdd_3v3_usbfs-supply = <&vdd_usb>;
};
&qspi {

1
arch/arm/mach-stm32mp/include/mach/stm32.h
View file

@ -37,7 +37,6 @@
/* enumerated used to identify the SYSCON driver instance */
enum {
STM32MP_SYSCON_UNKNOWN,
STM32MP_SYSCON_PWR,
STM32MP_SYSCON_SYSCFG,
};

23
arch/arm/mach-stm32mp/pwr_regulator.c
View file

@ -6,8 +6,8 @@
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <regmap.h>
#include <syscon.h>
#include <asm/io.h>
#include <dm/device_compat.h>
#include <linux/err.h>
#include <power/pmic.h>
@ -28,7 +28,7 @@ struct stm32mp_pwr_reg_info {
};
struct stm32mp_pwr_priv {
struct regmap *regmap;
fdt_addr_t base;
};
static int stm32mp_pwr_write(struct udevice *dev, uint reg,
@ -40,7 +40,9 @@ static int stm32mp_pwr_write(struct udevice *dev, uint reg,
if (len != 4)
return -EINVAL;
return regmap_write(priv->regmap, STM32MP_PWR_CR3, val);
writel(val, priv->base + STM32MP_PWR_CR3);
return 0;
}
static int stm32mp_pwr_read(struct udevice *dev, uint reg, uint8_t *buff,
@ -51,21 +53,18 @@ static int stm32mp_pwr_read(struct udevice *dev, uint reg, uint8_t *buff,
if (len != 4)
return -EINVAL;
return regmap_read(priv->regmap, STM32MP_PWR_CR3, (u32 *)buff);
*(u32 *)buff = readl(priv->base + STM32MP_PWR_CR3);
return 0;
}
static int stm32mp_pwr_ofdata_to_platdata(struct udevice *dev)
{
struct stm32mp_pwr_priv *priv = dev_get_priv(dev);
struct regmap *regmap;
regmap = syscon_get_regmap_by_driver_data(STM32MP_SYSCON_PWR);
if (IS_ERR(regmap)) {
pr_err("%s: unable to find regmap (%ld)\n", __func__,
PTR_ERR(regmap));
return PTR_ERR(regmap);
}
priv->regmap = regmap;
priv->base = dev_read_addr(dev);
if (priv->base == FDT_ADDR_T_NONE)
return -EINVAL;
return 0;
}

1
arch/arm/mach-stm32mp/syscon.c
View file

@ -9,7 +9,6 @@
#include <asm/arch/stm32.h>
static const struct udevice_id stm32mp_syscon_ids[] = {
{ .compatible = "st,stm32mp1-pwr", .data = STM32MP_SYSCON_PWR },
{ .compatible = "st,stm32mp157-syscfg",
.data = STM32MP_SYSCON_SYSCFG },
{ }