On Donnerstag, 27. Juni 2024 21:30:52 MESZ Raymond Hackley wrote:
> Samsung Galaxy Grand 2 is a phone based on MSM8226. It's similar to the
> other Samsung devices based on MSM8226 with only a few minor differences.
>
> The device trees contain initial support with:
> - GPIO keys
> - Regulator haptic
> - SDHCI (internal and external storage)
> - UART (on USB connector via the TI TSU6721 MUIC)
> - Regulators
> - Touchscreen
> - Accelerometer
>
> Signed-off-by: Raymond Hackley <raymondhack...@protonmail.com>
> ---
> arch/arm/boot/dts/qcom/Makefile | 1 +
> .../dts/qcom/qcom-msm8226-samsung-ms013g.dts | 386 ++++++++++++++++++
> 2 files changed, 387 insertions(+)
> create mode 100644 arch/arm/boot/dts/qcom/qcom-msm8226-samsung-ms013g.dts
>
> diff --git a/arch/arm/boot/dts/qcom/Makefile b/arch/arm/boot/dts/qcom/Makefile
> index ccd4ce6353df..f06c6d425e91 100644
> --- a/arch/arm/boot/dts/qcom/Makefile
> +++ b/arch/arm/boot/dts/qcom/Makefile
> @@ -28,6 +28,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
> qcom-msm8226-microsoft-dempsey.dtb \
> qcom-msm8226-microsoft-makepeace.dtb \
> qcom-msm8226-microsoft-moneypenny.dtb \
> + qcom-msm8226-samsung-ms013g.dtb \
> qcom-msm8226-samsung-s3ve3g.dtb \
> qcom-msm8660-surf.dtb \
> qcom-msm8916-samsung-e5.dtb \
> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-ms013g.dts
> b/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-ms013g.dts
> new file mode 100644
> index 000000000000..190b52fda634
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom/qcom-msm8226-samsung-ms013g.dts
> @@ -0,0 +1,386 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +
> +/dts-v1/;
> +
> +#include "qcom-msm8226.dtsi"
> +#include "pm8226.dtsi"
> +
> +/delete-node/ &smem_region;
> +
> +/ {
> + model = "Samsung Galaxy Grand 2";
> + compatible = "samsung,ms013g", "qcom,msm8226";
> + chassis-type = "handset";
> +
> + aliases {
> + mmc0 = &sdhc_1; /* SDC1 eMMC slot */
> + mmc1 = &sdhc_2; /* SDC2 SD card slot */
> + serial0 = &blsp1_uart3;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
> + gpio-hall-sensor {
> + compatible = "gpio-keys";
> +
> + pinctrl-0 = <&gpio_hall_sensor_default>;
> + pinctrl-names = "default";
> +
> + label = "GPIO Hall Effect Sensor";
> +
> + event-hall-sensor {
> + label = "Hall Effect Sensor";
> + gpios = <&tlmm 50 GPIO_ACTIVE_LOW>;
> + linux,input-type = <EV_SW>;
> + linux,code = <SW_LID>;
> + linux,can-disable;
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + pinctrl-0 = <&gpio_keys_default>;
> + pinctrl-names = "default";
> +
> + label = "GPIO Buttons";
> +
> + button-volume-up {
> + label = "Volume Up";
> + gpios = <&tlmm 106 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_VOLUMEUP>;
> + };
> +
> + button-volume-down {
> + label = "Volume Down";
> + gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_VOLUMEDOWN>;
> + };
> +
> + button-home {
> + label = "Home Key";
> + gpios = <&tlmm 108 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_HOMEPAGE>;
> + };
> + };
> +
> + haptic {
> + compatible = "regulator-haptic";
> + haptic-supply = <®_motor_vdd>;
> + min-microvolt = <3300000>;
> + max-microvolt = <3300000>;
> + };
This is the vibration motor? Use "vibrator" as node name then as per
https://github.com/devicetree-org/devicetree-specification/blob/main/source/chapter2-devicetree-basics.rst?plain=1#L299
Apart from this I don't see anything wrong.
Reviewed-by: Luca Weiss <l...@lucaweiss.eu>
> +
> + reg_motor_vdd: regulator-motor-vdd {
> + compatible = "regulator-fixed";
> + regulator-name = "motor_vdd";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&tlmm 111 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
> + pinctrl-0 = <&motor_en_default>;
> + pinctrl-names = "default";
> + };
> +
> + reg_vdd_tsp_a: regulator-vdd-tsp-a {
> + compatible = "regulator-fixed";
> + regulator-name = "tsp_3p3v";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> +
> + gpio = <&tlmm 31 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
> + pinctrl-0 = <&tsp_en_default>;
> + pinctrl-names = "default";
> + };
> +
> + reserved-memory {
> + smem_region: smem@fa00000 {
> + reg = <0x0fa00000 0x100000>;
> + no-map;
> + };
> + };
> +};
> +
> +&blsp1_i2c2 {
> + status = "okay";
> +
> + accelerometer@18 {
> + compatible = "bosch,bma255";
> + reg = <0x18>;
> + interrupts-extended = <&tlmm 64 IRQ_TYPE_EDGE_RISING>;
> +
> + vdd-supply = <&pm8226_l19>;
> + vddio-supply = <&pm8226_lvs1>;
> +
> + pinctrl-0 = <&accel_int_default>;
> + pinctrl-names = "default";
> +
> + mount-matrix = "0", "1", "0",
> + "-1", "0", "0",
> + "0", "0", "-1";
> + };
> +};
> +
> +&blsp1_i2c5 {
> + status = "okay";
> +
> + touchscreen@20 {
> + compatible = "zinitix,bt541";
> +
> + reg = <0x20>;
> + interrupts-extended = <&tlmm 17 IRQ_TYPE_EDGE_FALLING>;
> +
> + touchscreen-size-x = <720>;
> + touchscreen-size-y = <1280>;
> +
> + vcca-supply = <®_vdd_tsp_a>;
> + vdd-supply = <&pm8226_lvs1>;
> +
> + pinctrl-0 = <&tsp_int_default>;
> + pinctrl-names = "default";
> + };
> +};
> +
> +&blsp1_uart3 {
> + status = "okay";
> +};
> +
> +&rpm_requests {
> + regulators {
> + compatible = "qcom,rpm-pm8226-regulators";
> +
> + pm8226_s3: s3 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1300000>;
> + };
> +
> + pm8226_s4: s4 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2200000>;
> + };
> +
> + pm8226_s5: s5 {
> + regulator-min-microvolt = <1150000>;
> + regulator-max-microvolt = <1150000>;
> + };
> +
> + pm8226_l1: l1 {
> + regulator-min-microvolt = <1225000>;
> + regulator-max-microvolt = <1225000>;
> + };
> +
> + pm8226_l2: l2 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + pm8226_l3: l3 {
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <1337500>;
> + };
> +
> + pm8226_l4: l4 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + pm8226_l5: l5 {
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + };
> +
> + pm8226_l6: l6 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-allow-set-load;
> + regulator-always-on;
> + };
> +
> + pm8226_l7: l7 {
> + regulator-min-microvolt = <1850000>;
> + regulator-max-microvolt = <1850000>;
> + };
> +
> + pm8226_l8: l8 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + pm8226_l9: l9 {
> + regulator-min-microvolt = <2050000>;
> + regulator-max-microvolt = <2050000>;
> + };
> +
> + pm8226_l10: l10 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + pm8226_l12: l12 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> +
> + pm8226_l14: l14 {
> + regulator-min-microvolt = <2750000>;
> + regulator-max-microvolt = <2750000>;
> + };
> +
> + pm8226_l15: l15 {
> + regulator-min-microvolt = <2800000>;
> + regulator-max-microvolt = <2800000>;
> + };
> +
> + pm8226_l16: l16 {
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3350000>;
> + };
> +
> + pm8226_l17: l17 {
> + regulator-min-microvolt = <2950000>;
> + regulator-max-microvolt = <2950000>;
> +
> + regulator-system-load = <200000>;
> + regulator-allow-set-load;
> + regulator-always-on;
> + };
> +
> + pm8226_l18: l18 {
> + regulator-min-microvolt = <2950000>;
> + regulator-max-microvolt = <2950000>;
> + };
> +
> + pm8226_l19: l19 {
> + regulator-min-microvolt = <2850000>;
> + regulator-max-microvolt = <3000000>;
> + };
> +
> + pm8226_l20: l20 {
> + regulator-min-microvolt = <3075000>;
> + regulator-max-microvolt = <3075000>;
> + };
> +
> + pm8226_l21: l21 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2950000>;
> + regulator-allow-set-load;
> + };
> +
> + pm8226_l22: l22 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2950000>;
> + };
> +
> + pm8226_l23: l23 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + pm8226_l24: l24 {
> + regulator-min-microvolt = <1300000>;
> + regulator-max-microvolt = <1350000>;
> + };
> +
> + pm8226_l25: l25 {
> + regulator-min-microvolt = <1775000>;
> + regulator-max-microvolt = <2125000>;
> + };
> +
> + pm8226_l26: l26 {
> + regulator-min-microvolt = <1225000>;
> + regulator-max-microvolt = <1300000>;
> + };
> +
> + pm8226_l27: l27 {
> + regulator-min-microvolt = <2050000>;
> + regulator-max-microvolt = <2050000>;
> + };
> +
> + pm8226_l28: l28 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <2950000>;
> + };
> +
> + pm8226_lvs1: lvs1 {};
> + };
> +};
> +
> +&sdhc_1 {
> + vmmc-supply = <&pm8226_l17>;
> + vqmmc-supply = <&pm8226_l6>;
> +
> + bus-width = <8>;
> + non-removable;
> +
> + status = "okay";
> +};
> +
> +&sdhc_2 {
> + vmmc-supply = <&pm8226_l18>;
> + vqmmc-supply = <&pm8226_l21>;
> +
> + bus-width = <4>;
> + cd-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
> +
> + pinctrl-0 = <&sdhc2_default_state &sdhc2_cd_default>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +};
> +
> +&tlmm {
> + accel_int_default: accel-int-default-state {
> + pins = "gpio64";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + gpio_hall_sensor_default: gpio-hall-sensor-default-state {
> + pins = "gpio50";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> +
> + gpio_keys_default: gpio-keys-default-state {
> + pins = "gpio106", "gpio107", "gpio108";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-pull-up;
> + };
> +
> + motor_en_default: motor-en-default-state {
> + pins = "gpio111";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + sdhc2_cd_default: sdhc2-cd-default-state {
> + pins = "gpio38";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + tsp_en_default: tsp-en-default-state {
> + pins = "gpio31";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> + tsp_int_default: tsp-int-default-state {
> + pins = "gpio17";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +};
>
