[PATCH v5 3/4] arm64: dts: qcom: msm8998: add HDMI GPIOs

Marc Gonzalez
2024-06-27T15:54:10Z

MSM8998 GPIO pin controller reference design defines:

- CEC: pin 31
- DDC: pin 32,33
- HPD: pin 34

Downstream vendor code for reference:

https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/caf_migration/kernel.lnx.4.4.r38-rel/arch/arm/boot/dts/qcom/msm8998-pinctrl.dtsi#L2324-2400

mdss_hdmi_{cec,ddc,hpd}_{active,suspend}

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Marc Gonzalez <mgonzalez@freebox.fr>
---
arch/arm64/boot/dts/qcom/msm8998.dtsi | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index e5f051f5a92de..ba5e873f0f35f 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1434,6 +1434,34 @@ blsp2_spi6_default: blsp2-spi6-default-state {
drive-strength = <6>;
bias-disable;
};
+
+ hdmi_cec_default: hdmi-cec-default-state {
+ pins = "gpio31";
+ function = "hdmi_cec";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ hdmi_ddc_default: hdmi-ddc-default-state {
+ pins = "gpio32", "gpio33";
+ function = "hdmi_ddc";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ hdmi_hpd_default: hdmi-hpd-default-state {
+ pins = "gpio34";
+ function = "hdmi_hot";
+ drive-strength = <16>;
+ bias-pull-down;
+ };
+
+ hdmi_hpd_sleep: hdmi-hpd-sleep-state {
+ pins = "gpio34";
+ function = "hdmi_hot";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
};

remoteproc_mss: remoteproc@4080000 {

--
2.34.1