diff mbox series

[v2,6/8] arm64: dts: qcom: sa8295p-adp: add max20411

Message ID 20231220-sa8295p-gpu-v2-6-4763246b72c0@quicinc.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: qcom: sa8295p: Enable GPU | expand

Commit Message

Bjorn Andersson Dec. 22, 2023, 4:39 a.m. UTC 
From: Bjorn Andersson <andersson@kernel.org>

The SA8295P ADP has a MAX20411 LDO regulator on I2C 12, supplying the
VDD_GFX pads. Enable the bus and add the maxim,max20411 device on the
bus.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
 arch/arm64/boot/dts/qcom/sa8295p-adp.dts | 40 ++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

Comments

Konrad Dybcio Dec. 27, 2023, 1:08 a.m. UTC | #1 
On 22.12.2023 05:39, Bjorn Andersson wrote:
> From: Bjorn Andersson <andersson@kernel.org>
> 
> The SA8295P ADP has a MAX20411 LDO regulator on I2C 12, supplying the
> VDD_GFX pads. Enable the bus and add the maxim,max20411 device on the
> bus.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---

>  &tlmm {
>  	pcie2a_default: pcie2a-default-state {
>  		clkreq-n-pins {
> @@ -728,4 +760,12 @@ wake-n-pins {
>  			bias-pull-up;
>  		};
>  	};
> +
> +	qup1_i2c4_state: qup1-i2c4-state {
> +		pins = "gpio0", "gpio1";
> +		function = "qup12";
> +
> +		drive-strength = <2>;
unnecessary newline

Konrad
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
index fd253942e5e5..14327c697116 100644
--- a/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
+++ b/arch/arm64/boot/dts/qcom/sa8295p-adp.dts
@@ -266,6 +266,26 @@  &dispcc1 {
 	status = "okay";
 };
 
+&i2c12 {
+	pinctrl-0 = <&qup1_i2c4_state>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	vdd_gfx: regulator@39 {
+		compatible = "maxim,max20411";
+		reg = <0x39>;
+
+		regulator-min-microvolt = <800000>;
+		regulator-max-microvolt = <800000>;
+
+		enable-gpios = <&pmm8540a_gpios 2 GPIO_ACTIVE_HIGH>;
+
+		pinctrl-0 = <&max20411_en>;
+		pinctrl-names = "default";
+	};
+};
+
 &mdss0 {
 	status = "okay";
 };
@@ -476,6 +496,10 @@  &pcie4_phy {
 	status = "okay";
 };
 
+&qup1 {
+	status = "okay";
+};
+
 &qup2 {
 	status = "okay";
 };
@@ -636,6 +660,14 @@  &xo_board_clk {
 
 /* PINCTRL */
 
+&pmm8540a_gpios {
+	max20411_en: max20411-en-state {
+		pins = "gpio2";
+		function = "normal";
+		output-enable;
+	};
+};
+
 &tlmm {
 	pcie2a_default: pcie2a-default-state {
 		clkreq-n-pins {
@@ -728,4 +760,12 @@  wake-n-pins {
 			bias-pull-up;
 		};
 	};
+
+	qup1_i2c4_state: qup1-i2c4-state {
+		pins = "gpio0", "gpio1";
+		function = "qup12";
+
+		drive-strength = <2>;
+		bias-pull-up;
+	};
 };