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Subject[PATCH v2 5/7] arm64: dts: renesas: white-hawk-cpu: Add DP output support
Date
Add DT nodes needed for the mini DP connector. The DP is driven by
sn65dsi86, which in turn gets the pixel data from the SoC via DSI.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
.../dts/renesas/r8a779g0-white-hawk-cpu.dtsi | 94 +++++++++++++++++++
1 file changed, 94 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
index c10740aee9f6..8aab859aac7a 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
@@ -97,6 +97,15 @@ memory@600000000 {
reg = <0x6 0x00000000 0x1 0x00000000>;
};

+ reg_1p2v: regulator-1p2v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.2V";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
reg_1p8v: regulator-1p8v {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
@@ -114,6 +123,24 @@ reg_3p3v: regulator-3p3v {
regulator-boot-on;
regulator-always-on;
};
+
+ mini-dp-con {
+ compatible = "dp-connector";
+ label = "CN5";
+ type = "mini";
+
+ port {
+ mini_dp_con_in: endpoint {
+ remote-endpoint = <&sn65dsi86_out>;
+ };
+ };
+ };
+
+ sn65dsi86_refclk: clk-x6 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <38400000>;
+ };
};

&avb0 {
@@ -134,6 +161,23 @@ phy0: ethernet-phy@0 {
};
};

+&dsi0 {
+ status = "okay";
+
+ ports {
+ port@1 {
+ dsi0_out: endpoint {
+ remote-endpoint = <&sn65dsi86_in>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+ };
+};
+
+&du {
+ status = "okay";
+};
+
&extal_clk {
clock-frequency = <16666666>;
};
@@ -172,6 +216,51 @@ eeprom@50 {
};
};

+&i2c1 {
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ bridge@2c {
+ compatible = "ti,sn65dsi86";
+ reg = <0x2c>;
+
+ clocks = <&sn65dsi86_refclk>;
+ clock-names = "refclk";
+
+ interrupt-parent = <&intc_ex>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+
+ enable-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
+
+ vccio-supply = <&reg_1p8v>;
+ vpll-supply = <&reg_1p8v>;
+ vcca-supply = <&reg_1p2v>;
+ vcc-supply = <&reg_1p2v>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ sn65dsi86_in: endpoint {
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ sn65dsi86_out: endpoint {
+ remote-endpoint = <&mini_dp_con_in>;
+ };
+ };
+ };
+ };
+};
+
&mmc0 {
pinctrl-0 = <&mmc_pins>;
pinctrl-1 = <&mmc_pins>;
@@ -221,6 +310,11 @@ i2c0_pins: i2c0 {
function = "i2c0";
};

+ i2c1_pins: i2c1 {
+ groups = "i2c1";
+ function = "i2c1";
+ };
+
keys_pins: keys {
pins = "GP_5_0", "GP_5_1", "GP_5_2";
bias-pull-up;
--
2.34.1
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