From: Samuel Pascua <pascua.samuel.14@xxxxxxxxx>
Add initial support for the display found on the Samsung Galaxy 5 (klte)
phone. This is based on work from Jonathan Marek & Brian Masney.
Signed-off-by: Samuel Pascua <pascua.samuel.14@xxxxxxxxx>
[iskren.chernev@xxxxxxxxx: add reset gpio, regulators]
Signed-off-by: Iskren Chernev <iskren.chernev@xxxxxxxxx>
---
On downstream the panel uses a regulator and an enable pin, but it is hinted
that the enable pin is actually another regulator, so wrap the enable pin into
a regulator and put the two new regulator in the panel node.
.../boot/dts/qcom-msm8974-samsung-klte.dts | 95 +++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
index 86be4ae743f4..d042c7cbab71 100644
--- a/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-samsung-klte.dts
@@ -298,6 +298,20 @@ vreg_wlan: wlan-regulator {
enable-active-high;
};
+ vreg_panel: panel-regulator {
+ compatible = "regulator-fixed";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&panel_en_pin>;
+
+ regulator-name = "panel-vddr-reg";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+
+ gpio = <&pma8084_gpios 14 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
/delete-node/ vreg-boost;
};
@@ -453,6 +467,16 @@ int {
bias-pull-down;
};
};
+
+ panel_te_pin: panel {
+ te {
+ pins = "gpio12";
+ function = "mdp_vsync";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
};
sdhc_1: sdhci@f9824900 {
@@ -701,6 +725,60 @@ fuelgauge@36 {
adreno@fdb00000 {
status = "ok";
};
+
+ mdss@fd900000 {
+ status = "ok";
+
+ mdp@fd900000 {
+ status = "ok";
+ };
+
+ dsi@fd922800 {
+ status = "ok";
+
+ vdda-supply = <&pma8084_l2>;
+ vdd-supply = <&pma8084_l22>;
+ vddio-supply = <&pma8084_l12>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ port@1 {
+ endpoint {
+ remote-endpoint = <&panel_in>;
+ data-lanes = <0 1 2 3>;
+ };
+ };
+ };
+
+ panel: panel@0 {
+ reg = <0>;
+ compatible = "samsung,s6e3fa2";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&panel_te_pin &panel_rst_pin>;
+
+ iovdd-supply = <&pma8084_lvs4>;
+ vddr-supply = <&vreg_panel>;
+
+ reset-gpios = <&pma8084_gpios 17 GPIO_ACTIVE_LOW>;
+ te-gpios = <&msmgpio 12 GPIO_ACTIVE_HIGH>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+ };
+ };
+
+ dsi-phy@fd922a00 {
+ status = "ok";
+
+ vddio-supply = <&pma8084_l12>;
+ };
+ };
};
&spmi_bus {
@@ -730,6 +808,14 @@ touch_pin: touchscreen-int-pin {
power-source = <PMA8084_GPIO_S4>;
};
+ panel_en_pin: panel-en-pin {
+ pins = "gpio14";
+ function = "normal";
+ bias-pull-up;
+ power-source = <PMA8084_GPIO_S4>;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ };
+
wlan_sleep_clk_pin: wlan-sleep-clk-pin {
pins = "gpio16";
function = "func2";
@@ -739,6 +825,15 @@ wlan_sleep_clk_pin: wlan-sleep-clk-pin {
qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>;
};
+ panel_rst_pin: panel-rst-pin {
+ pins = "gpio17";
+ function = "normal";
+ bias-disable;
+ power-source = <PMA8084_GPIO_S4>;
+ qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>;
+ };
+
+
fuelgauge_pin: fuelgauge-int-pin {
pins = "gpio21";
function = "normal";
--
2.30.0
