From: Javier Martinez Canillas Date: Sat, 13 Sep 2014 15:45:15 +0000 (+0900) Subject: ARM: dts: Add support max77802 PMIC for exynos based Peach boards X-Git-Tag: firefly_0821_release~176^2~3110^2~5^2~12 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=064ac05080062ffa41fd4699583933d58a4a32d4;p=firefly-linux-kernel-4.4.55.git ARM: dts: Add support max77802 PMIC for exynos based Peach boards Exynos5420 based Peach Pit and Exynos5800 based Peach Pi boards 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 are present on the Peach pit DeviceTree source file in the the Chrome OS kernel 3.8 tree. Signed-off-by: Javier Martinez Canillas Tested-by: Naveen Krishna Chatradhi Reviewed-by: Doug Anderson Signed-off-by: Kukjin Kim --- diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts index ab0614841113..304e3bd8dcb4 100644 --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts @@ -11,6 +11,7 @@ /dts-v1/; #include #include +#include #include "exynos5420.dtsi" / { @@ -144,6 +145,338 @@ ddc = <&i2c_2>; }; +&hsi2c_4 { + status = "okay"; + clock-frequency = <400000>; + + max77802-pmic@9 { + compatible = "maxim,max77802"; + interrupt-parent = <&gpx3>; + interrupts = <1 IRQ_TYPE_NONE>; + 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>; + + inb1-supply = <&tps65090_dcdc2>; + inb2-supply = <&tps65090_dcdc1>; + inb3-supply = <&tps65090_dcdc2>; + inb4-supply = <&tps65090_dcdc2>; + inb5-supply = <&tps65090_dcdc1>; + inb6-supply = <&tps65090_dcdc2>; + inb7-supply = <&tps65090_dcdc1>; + inb8-supply = <&tps65090_dcdc1>; + inb9-supply = <&tps65090_dcdc1>; + inb10-supply = <&tps65090_dcdc1>; + + inl1-supply = <&buck5_reg>; + inl2-supply = <&buck7_reg>; + inl3-supply = <&buck9_reg>; + inl4-supply = <&buck9_reg>; + inl5-supply = <&buck9_reg>; + inl6-supply = <&tps65090_dcdc2>; + inl7-supply = <&buck9_reg>; + inl9-supply = <&tps65090_dcdc2>; + inl10-supply = <&buck7_reg>; + + regulators { + 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"; + 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"; + 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; + }; + + 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 = "ldo_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>; + }; + }; + }; +}; + &hsi2c_7 { status = "okay"; @@ -269,12 +602,42 @@ 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>; samsung,pin-pud = <1>; 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 { @@ -304,6 +667,14 @@ 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 { diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts index 9ae98aa8b171..315a8cb2aabe 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -11,6 +11,7 @@ /dts-v1/; #include #include +#include #include "exynos5800.dtsi" / { @@ -142,6 +143,338 @@ ddc = <&i2c_2>; }; +&hsi2c_4 { + status = "okay"; + clock-frequency = <400000>; + + max77802-pmic@9 { + compatible = "maxim,max77802"; + interrupt-parent = <&gpx3>; + interrupts = <1 IRQ_TYPE_NONE>; + 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>; + + inb1-supply = <&tps65090_dcdc2>; + inb2-supply = <&tps65090_dcdc1>; + inb3-supply = <&tps65090_dcdc2>; + inb4-supply = <&tps65090_dcdc2>; + inb5-supply = <&tps65090_dcdc1>; + inb6-supply = <&tps65090_dcdc2>; + inb7-supply = <&tps65090_dcdc1>; + inb8-supply = <&tps65090_dcdc1>; + inb9-supply = <&tps65090_dcdc1>; + inb10-supply = <&tps65090_dcdc1>; + + inl1-supply = <&buck5_reg>; + inl2-supply = <&buck7_reg>; + inl3-supply = <&buck9_reg>; + inl4-supply = <&buck9_reg>; + inl5-supply = <&buck9_reg>; + inl6-supply = <&tps65090_dcdc2>; + inl7-supply = <&buck9_reg>; + inl9-supply = <&tps65090_dcdc2>; + inl10-supply = <&buck7_reg>; + + regulators { + 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"; + 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"; + 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; + }; + + 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 = "ldo_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>; + }; + }; + }; +}; + &hsi2c_7 { status = "okay"; @@ -267,12 +600,42 @@ 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>; samsung,pin-pud = <1>; 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 { @@ -302,6 +665,14 @@ 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 {