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: Rudraksha Gupta <guptarud@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230607050025.86636-5-guptarud@gmail.com

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 59829fc..12c90f2 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -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 \

diff --git a/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
new file mode 100644 (file)
index 0000000..13e85c2
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
@@ -0,0 +1,331 @@
+// 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";
+};