Hi Bjorn, Hi Konrad,
gentle reminder that this patch is still open.
Link:
https://lore.kernel.org/linux-arm-msm/20241114220718.12248-1-jahau@xxxxxxxxxxxxxx/T/#u
On 14.11.24 23:07, Jakob Hauser wrote:
From: Stephan Gerhold <stephan@xxxxxxxxxxx>
Add the Samsung S6E88A0-AMS427AP24 panel to the device tree for the
Samsung Galaxy S4 Mini Value Edition. By default the panel displays
everything horizontally flipped, so add "flip-horizontal" to the panel
node to correct that.
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
Co-developed-by: Jakob Hauser <jahau@xxxxxxxxxxxxxx>
Signed-off-by: Jakob Hauser <jahau@xxxxxxxxxxxxxx>
---
Patch base is kernel/git/qcom/linux.git current branch "arm64-for-6.13".
The panel driver was recently added to linux-next:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/drivers/gpu/drm/panel/panel-samsung-s6e88a0-ams427ap24.c?h=next-20241101
The associated dt-binding in linux-next is:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/Documentation/devicetree/bindings/display/panel/samsung,s6e88a0-ams427ap24.yaml?h=next-20241101
---
.../dts/qcom/msm8916-samsung-serranove.dts | 58 +++++++++++++++++++
1 file changed, 58 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
index 5ce8f1350abc..caad1dead2e0 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-serranove.dts
@@ -321,6 +321,41 @@ &blsp_uart2 {
status = "okay";
};
+&gpu {
+ status = "okay";
+};
+
+&mdss {
+ status = "okay";
+};
+
+&mdss_dsi0 {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mdss_default>;
+ pinctrl-1 = <&mdss_sleep>;
+
+ panel@0 {
+ compatible = "samsung,s6e88a0-ams427ap24";
+ reg = <0>;
+
+ vdd3-supply = <&pm8916_l17>;
+ vci-supply = <&pm8916_l6>;
+ reset-gpios = <&tlmm 25 GPIO_ACTIVE_LOW>;
+ flip-horizontal;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&mdss_dsi0_out>;
+ };
+ };
+ };
+};
+
+&mdss_dsi0_out {
+ data-lanes = <0 1>;
+ remote-endpoint = <&panel_in>;
+};
+
&mpss_mem {
reg = <0x0 0x86800000 0x0 0x5a00000>;
};
@@ -330,6 +365,13 @@ &pm8916_resin {
linux,code = <KEY_VOLUMEDOWN>;
};
+&pm8916_rpm_regulators {
+ pm8916_l17: l17 {
+ regulator-min-microvolt = <2850000>;
+ regulator-max-microvolt = <2850000>;
+ };
+};
+
&pm8916_vib {
status = "okay";
};
@@ -425,6 +467,22 @@ imu_irq_default: imu-irq-default-state {
bias-disable;
};
+ mdss_default: mdss-default-state {
+ pins = "gpio25";
+ function = "gpio";
+
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ mdss_sleep: mdss-sleep-state {
+ pins = "gpio25";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
muic_i2c_default: muic-i2c-default-state {
pins = "gpio105", "gpio106";
function = "gpio";
Kind regards,
Jakob
