Commit 2b01dda1 authored by Rudraksha Gupta's avatar Rudraksha Gupta Committed by Bjorn Andersson
Browse files

ARM: dts: qcom: Add Samsung Galaxy Express support 



Add a very basic device tree file for the Samsung Galaxy Express SGH-I437.
Currently, the following things work: UART, eMMC, SD Card, and USB.

Signed-off-by: default avatarRudraksha Gupta <guptarud@gmail.com>
Signed-off-by: default avatarBjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230607050025.86636-5-guptarud@gmail.com
parent 80ce22e5

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -1081,6 +1081,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \ 
	qcom-msm8916-samsung-grandmax.dtb \

	qcom-msm8916-samsung-serranove.dtb \

	qcom-msm8960-cdp.dtb \

	qcom-msm8960-samsung-expressatt.dtb \

	qcom-msm8974-lge-nexus5-hammerhead.dtb \

	qcom-msm8974-sony-xperia-rhine-amami.dtb \

	qcom-msm8974-sony-xperia-rhine-honami.dtb \

arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts

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+331 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

#include <dt-bindings/input/input.h>



#include "qcom-msm8960.dtsi"

#include <dt-bindings/reset/qcom,gcc-msm8960.h>



/ {

	model = "Samsung Galaxy Express SGH-I437";

	compatible = "samsung,expressatt", "qcom,msm8960";

	chassis-type = "handset";



	aliases {

		serial0 = &gsbi5_serial;

		mmc0 = &sdcc1; /* SDCC1 eMMC slot */

		mmc1 = &sdcc3; /* SDCC3 SD card slot */

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};

};



&gsbi5 {

	qcom,mode = <GSBI_PROT_I2C_UART>;

	status = "okay";

};



&gsbi5_serial {

	status = "okay";

};



&sdcc1 {

	vmmc-supply = <&pm8921_l5>;

	status = "okay";

};



&sdcc3 {

	vmmc-supply = <&pm8921_l6>;

	vqmmc-supply = <&pm8921_l7>;

	status = "okay";

};



&gsbi1 {

	qcom,mode = <GSBI_PROT_SPI>;

	pinctrl-0 = <&spi1_default>;

	pinctrl-names = "default";

	status = "okay";

};



&gsbi1_spi {

	status = "okay";

};



&msmgpio {

	spi1_default: spi1-default-state {

		mosi-pins {

			pins = "gpio6";

			function = "gsbi1";

			drive-strength = <12>;

			bias-disable;

		};



		miso-pins {

			pins = "gpio7";

			function = "gsbi1";

			drive-strength = <12>;

			bias-disable;

		};



		cs-pins {

			pins = "gpio8";

			function = "gsbi1";

			drive-strength = <12>;

			bias-disable;

			output-low;

		};



		clk-pins {

			pins = "gpio9";

			function = "gsbi1";

			drive-strength = <12>;

			bias-disable;

		};

	};

};



&rpm {

	regulators {

		compatible = "qcom,rpm-pm8921-regulators";

		vin_lvs1_3_6-supply = <&pm8921_s4>;

		vin_lvs2-supply = <&pm8921_s4>;

		vin_lvs4_5_7-supply = <&pm8921_s4>;

		vdd_ncp-supply = <&pm8921_l6>;

		vdd_l1_l2_l12_l18-supply = <&pm8921_s4>;

		vdd_l21_l23_l29-supply = <&pm8921_s8>;

		vdd_l24-supply = <&pm8921_s1>;

		vdd_l25-supply = <&pm8921_s1>;

		vdd_l27-supply = <&pm8921_s7>;

		vdd_l28-supply = <&pm8921_s7>;



		/* Buck SMPS */

		pm8921_s1: s1 {

			regulator-always-on;

			regulator-min-microvolt = <1225000>;

			regulator-max-microvolt = <1225000>;

			qcom,switch-mode-frequency = <3200000>;

			bias-pull-down;

		};



		pm8921_s2: s2 {

			regulator-min-microvolt = <1300000>;

			regulator-max-microvolt = <1300000>;

			qcom,switch-mode-frequency = <1600000>;

			bias-pull-down;

		};



		pm8921_s3: s3 {

			regulator-min-microvolt = <500000>;

			regulator-max-microvolt = <1150000>;

			qcom,switch-mode-frequency = <4800000>;

			bias-pull-down;

		};



		pm8921_s4: s4 {

			regulator-always-on;

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			qcom,switch-mode-frequency = <1600000>;

			bias-pull-down;

			qcom,force-mode = <QCOM_RPM_FORCE_MODE_AUTO>;

		};



		pm8921_s7: s7 {

			regulator-min-microvolt = <1150000>;

			regulator-max-microvolt = <1150000>;

			qcom,switch-mode-frequency = <3200000>;

			bias-pull-down;

		};



		pm8921_s8: s8 {

			regulator-always-on;

			regulator-min-microvolt = <2050000>;

			regulator-max-microvolt = <2050000>;

			qcom,switch-mode-frequency = <1600000>;

			bias-pull-down;

		};



		/* PMOS LDO */

		pm8921_l1: l1 {

			regulator-always-on;

			regulator-min-microvolt = <1050000>;

			regulator-max-microvolt = <1050000>;

			bias-pull-down;

		};



		pm8921_l2: l2 {

			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			bias-pull-down;

		};



		pm8921_l3: l3 {

			regulator-min-microvolt = <3075000>;

			regulator-max-microvolt = <3300000>;

			bias-pull-down;

		};



		pm8921_l4: l4 {

			regulator-always-on;

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			bias-pull-down;

		};



		pm8921_l5: l5 {

			regulator-min-microvolt = <2950000>;

			regulator-max-microvolt = <2950000>;

			bias-pull-down;

		};



		pm8921_l6: l6 {

			regulator-min-microvolt = <2950000>;

			regulator-max-microvolt = <2950000>;

			bias-pull-down;

		};



		pm8921_l7: l7 {

			regulator-always-on;

			regulator-min-microvolt = <1850000>;

			regulator-max-microvolt = <2950000>;

			bias-pull-down;

		};



		pm8921_l8: l8 {

			regulator-min-microvolt = <3000000>;

			regulator-max-microvolt = <3100000>;

			bias-pull-down;

		};



		pm8921_l9: l9 {

			regulator-min-microvolt = <2850000>;

			regulator-max-microvolt = <2850000>;

			bias-pull-down;

		};



		pm8921_l10: l10 {

			regulator-min-microvolt = <3000000>;

			regulator-max-microvolt = <3000000>;

			bias-pull-down;

		};



		pm8921_l11: l11 {

			regulator-min-microvolt = <2800000>;

			regulator-max-microvolt = <3300000>;

			bias-pull-down;

		};



		pm8921_l12: l12 {

			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1200000>;

			bias-pull-down;

		};



		pm8921_l14: l14 {

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			bias-pull-down;

		};



		pm8921_l15: l15 {

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <2950000>;

			bias-pull-down;

		};



		pm8921_l16: l16 {

			regulator-min-microvolt = <2800000>;

			regulator-max-microvolt = <3000000>;

			bias-pull-down;

		};



		pm8921_l17: l17 {

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <3300000>;

			bias-pull-down;

		};



		pm8921_l18: l18 {

			regulator-min-microvolt = <1200000>;

			regulator-max-microvolt = <1500000>;

			bias-pull-down;

		};



		pm8921_l21: l21 {

			regulator-min-microvolt = <1900000>;

			regulator-max-microvolt = <1900000>;

			bias-pull-down;

		};



		pm8921_l22: l22 {

			regulator-min-microvolt = <2750000>;

			regulator-max-microvolt = <2750000>;

			bias-pull-down;

		};



		pm8921_l23: l23 {

			regulator-always-on;

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			bias-pull-down;

		};



		pm8921_l24: l24 {

			regulator-min-microvolt = <750000>;

			regulator-max-microvolt = <1150000>;

			bias-pull-down;

		};



		pm8921_l25: l25 {

			regulator-always-on;

			regulator-min-microvolt = <1225000>;

			regulator-max-microvolt = <1225000>;

			bias-pull-down;

		};



		/* Low Voltage Switch */

		pm8921_lvs1: lvs1 {

			bias-pull-down;

		};



		pm8921_lvs2: lvs2 {

			bias-pull-down;

		};



		pm8921_lvs3: lvs3 {

			bias-pull-down;

		};



		pm8921_lvs4: lvs4 {

			bias-pull-down;

		};



		pm8921_lvs5: lvs5 {

			bias-pull-down;

		};



		pm8921_lvs6: lvs6 {

			bias-pull-down;

		};



		pm8921_lvs7: lvs7 {

			bias-pull-down;

		};



		pm8921_ncp: ncp {

			regulator-min-microvolt = <1800000>;

			regulator-max-microvolt = <1800000>;

			qcom,switch-mode-frequency = <1600000>;

		};

	};

};



&usb_hs1_phy {

	v3p3-supply = <&pm8921_l3>;

	v1p8-supply = <&pm8921_l4>;

};



&usb1 {

	dr_mode = "otg";

	status = "okay";

};