diff mbox series

[v2,4/4] ARM: dts: qcom: Add Samsung Galaxy Express support

Message ID 20230528001010.47868-5-guptarud@gmail.com (mailing list archive)
State Changes Requested
Headers show
Series [v2,1/4] dt-bindings: arm: qcom: Add Samsung Galaxy Express | expand

Commit Message

Rudraksha Gupta May 28, 2023, 12:10 a.m. UTC 
This adds 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>
---
 arch/arm/boot/dts/Makefile                    |   1 +
 .../dts/qcom-msm8960-samsung-expressatt.dts   | 334 ++++++++++++++++++
 2 files changed, 335 insertions(+)
 create mode 100644 arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts

Comments

Krzysztof Kozlowski May 30, 2023, 1:24 p.m. UTC | #1 
Thank you for your patch. There is something to discuss/improve.



On 28/05/2023 02:10, Rudraksha Gupta wrote:
> This adds a very basic device tree file for the Samsung Galaxy Express

Please do not use "This commit/patch", but imperative mood. See longer
explanation here:
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95


> SGH-I437. Currently, the following things work: UART, eMMC, SD Card, and
> USB.
> 
> Signed-off-by: Rudraksha Gupta <guptarud@gmail.com>
> ---
>  arch/arm/boot/dts/Makefile                    |   1 +
>  .../dts/qcom-msm8960-samsung-expressatt.dts   | 334 ++++++++++++++++++
>  2 files changed, 335 insertions(+)
>  create mode 100644 arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 59829fc90315..12c90f263142 100644
> --- 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
> index 000000000000..a1ee9c272558
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
> @@ -0,0 +1,334 @@
> +// 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 {

No underscores in node names, missing proper suffix.

It does not look like you tested the DTS against bindings. Please run
`make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

> +		mux {

It does not look like you tested the DTS against bindings. Please run
`make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

> +			pins = "gpio6", "gpio7", "gpio9";
> +			function = "gsbi1";
> +		};
> +
> +		mosi {

It does not look like you tested the DTS against bindings. Please run
`make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

> +			pins = "gpio6";
> +			drive-strength = <12>;
> +			bias-disable;
> +		};
> +
> +		miso {
> +			pins = "gpio7";
> +			drive-strength = <12>;
> +			bias-disable;
> +		};
> +
> +		cs {
> +			pins = "gpio8";
> +			drive-strength = <12>;
> +			bias-disable;
> +			output-low;
> +		};
> +
> +		clk {
> +			pins = "gpio9";
> +			drive-strength = <12>;
> +			bias-disable;
> +		};
> +	};
> +};
> +
> +

One blank line, not two.

...

> +&usb1 {
> +	dr_mode = "otg";
> +	status = "okay";
> +};
> +

No improvements here.

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 59829fc90315..12c90f263142 100644
--- 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
index 000000000000..a1ee9c272558
--- /dev/null
+++ b/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
@@ -0,0 +1,334 @@ 
+// 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 {
+		mux {
+			pins = "gpio6", "gpio7", "gpio9";
+			function = "gsbi1";
+		};
+
+		mosi {
+			pins = "gpio6";
+			drive-strength = <12>;
+			bias-disable;
+		};
+
+		miso {
+			pins = "gpio7";
+			drive-strength = <12>;
+			bias-disable;
+		};
+
+		cs {
+			pins = "gpio8";
+			drive-strength = <12>;
+			bias-disable;
+			output-low;
+		};
+
+		clk {
+			pins = "gpio9";
+			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";
+};
+