Peach pit board uses a Maxim 77802 Power Management IC to
drive regulators and its Real Time Clock. This patch adds
support for this chip.
These are the device nodes and pinctrl configuration that
is present on the Peach pit DeviceTree source file in the
the Chrome OS kernel 3.8 tree.
Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/exynos5420-peach-pit.dts | 320 +++++++++++++++++++++++++++++
1 file changed, 320 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 1c5b8f9..cb7d720 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -111,6 +111,13 @@
samsung,pin-drv = <0>;
};
+ max77802_irq: max77802-irq {
+ samsung,pins = "gpx3-1";
+ samsung,pin-function = <0>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
hdmi_hpd_irq: hdmi-hpd-irq {
samsung,pins = "gpx3-7";
samsung,pin-function = <0>;
@@ -124,6 +131,29 @@
samsung,pin-pud = <3>;
samsung,pin-drv = <0>;
};
+
+ pmic_dvs_1: pmic-dvs-1 {
+ samsung,pins = "gpy7-6";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+};
+
+&pinctrl_2 {
+ pmic_dvs_2: pmic-dvs-2 {
+ samsung,pins = "gpj4-2";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
+ pmic_dvs_3: pmic-dvs-3 {
+ samsung,pins = "gpj4-3";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
};
&pinctrl_3 {
@@ -140,6 +170,14 @@
samsung,pin-pud = <0>;
samsung,pin-drv = <0>;
};
+
+ pmic_selb: pmic-selb {
+ samsung,pins = "gph0-2", "gph0-3", "gph0-4", "gph0-5",
+ "gph0-6";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
};
&rtc {
@@ -189,6 +227,288 @@
};
};
+&hsi2c_4 {
+ status = "okay";
+ clock-frequency = <400000>;
+
+ max77802-pmic@9 {
+ compatible = "maxim,max77802";
+ interrupt-parent = <&gpx3>;
+ interrupts = <1 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&max77802_irq>, <&pmic_selb>,
+ <&pmic_dvs_1>, <&pmic_dvs_2>, <&pmic_dvs_3>;
+ wakeup-source;
+ reg = <0x9>;
+ #clock-cells = <1>;
+
+ /* Using idx 1 means warm reset will get good voltage */
+ max77802,pmic-buck-default-dvs-idx = <1>;
+ max77802,pmic-buck-dvs-gpios = <&gpy7 6 0>,
+ <&gpj4 2 0>,
+ <&gpj4 3 0>;
+ max77802,pmic-buck-selb-gpios = <&gph0 2 0>,
+ <&gph0 3 0>,
+ <&gph0 4 0>,
+ <&gph0 5 0>,
+ <&gph0 6 0>;
+
+ voltage-regulators {
+ ldo1_reg: LDO1 {
+ regulator-name = "vdd_1v0";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+ ldo2_reg: LDO2 {
+ regulator-name = "vdd_1v2_2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ ldo3_reg: LDO3 {
+ regulator-name = "vdd_1v8_3";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ vqmmc_sdcard: ldo4_reg: LDO4 {
+ regulator-name = "vdd_sd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ };
+ ldo5_reg: LDO5 {
+ regulator-name = "vdd_1v8_5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo6_reg: LDO6 {
+ regulator-name = "vdd_1v8_6";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo7_reg: LDO7 {
+ regulator-name = "vdd_1v8_7";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ ldo8_reg: LDO8 {
+ regulator-name = "vdd_ldo8";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+ ldo9_reg: LDO9 {
+ regulator-name = "vdd_ldo9";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo10_reg: LDO10 {
+ regulator-name = "vdd_ldo10";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo11_reg: LDO11 {
+ regulator-name = "vdd_ldo11";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo12_reg: LDO12 {
+ regulator-name = "vdd_ldo12";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+ };
+ ldo13_reg: LDO13 {
+ regulator-name = "vdd_ldo13";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo14_reg: LDO14 {
+ regulator-name = "vdd_ldo14";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo15_reg: LDO15 {
+ regulator-name = "vdd_ldo15";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+ ldo17_reg: LDO17 {
+ regulator-name = "vdd_g3ds";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ };
+ ldo18_reg: LDO18 {
+ regulator-name = "ldo_18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ ldo19_reg: LDO19 {
+ regulator-name = "ldo_19";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ ldo20_reg: LDO20 {
+ regulator-name = "ldo_20";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+ ldo21_reg: LDO21 {
+ regulator-name = "ldo_21";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+ ldo23_reg: LDO23 {
+ regulator-name = "ld0_23";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ ldo24_reg: LDO24 {
+ regulator-name = "ldo_24";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+ ldo25_reg: LDO25 {
+ regulator-name = "ldo_25";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ ldo26_reg: LDO26 {
+ regulator-name = "ldo_26";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ ldo27_reg: LDO27 {
+ regulator-name = "ldo_27";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ ldo28_reg: LDO28 {
+ regulator-name = "ldo_28";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ ldo29_reg: LDO29 {
+ regulator-name = "ldo_29";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ ldo30_reg: LDO30 {
+ regulator-name = "vdd_mifs";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+ ldo32_reg: LDO32 {
+ regulator-name = "ldo_32";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ };
+ ldo33_reg: LDO33 {
+ regulator-name = "ldo_33";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+ ldo34_reg: LDO34 {
+ regulator-name = "ldo_34";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ };
+ ldo35_reg: LDO35 {
+ regulator-name = "ldo_35";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ buck1_reg: BUCK1 {
+ regulator-name = "vdd_mif";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12500>;
+ };
+ buck2_reg: BUCK2 {
+ regulator-name = "vdd_arm_real";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12500>;
+ };
+ buck3_reg: BUCK3 {
+ regulator-name = "vdd_int_real";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12500>;
+ };
+ buck4_reg: BUCK4 {
+ regulator-name = "vdd_g3d";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12500>;
+ };
+ buck5_reg: BUCK5 {
+ regulator-name = "vdd_1v2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ buck6_reg: BUCK6 {
+ regulator-name = "vdd_kfc";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12500>;
+ };
+ buck7_reg: BUCK7 {
+ regulator-name = "vdd_1v35";
+ regulator-min-microvolt = <1350000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ buck8_reg: BUCK8 {
+ regulator-name = "vdd_emmc";
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2850000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ buck9_reg: BUCK9 {
+ regulator-name = "vdd_2v";
+ regulator-min-microvolt = <2000000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ buck10_reg: BUCK10 {
+ regulator-name = "vdd_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ };
+ };
+};
+
&hsi2c_7 {
status = "okay";
--
2.0.0.rc2
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