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Subject[PATCHv2 10/10] ARM: dts: n950: add display support
Date
Add basic panel support for the Nokia N950. It must be tweaked a
little bit later, since the panel was built into the device
upside-down. Also the first 5 and the last 5 pixels are covered
by plastic.

Signed-off-By: Sebastian Reichel <sre@kernel.org>
---
arch/arm/boot/dts/omap3-n950.dts | 89 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 89 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts
index 646601a3ebd8..1aa4251b39d7 100644
--- a/arch/arm/boot/dts/omap3-n950.dts
+++ b/arch/arm/boot/dts/omap3-n950.dts
@@ -51,6 +51,26 @@
};
};

+&omap3_pmx_core {
+ dsi_pins: pinmux_dsi_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x20dc, PIN_OUTPUT | MUX_MODE1) /* dsi_dx0 - data0+ */
+ OMAP3_CORE1_IOPAD(0x20de, PIN_OUTPUT | MUX_MODE1) /* dsi_dy0 - data0- */
+ OMAP3_CORE1_IOPAD(0x20e0, PIN_OUTPUT | MUX_MODE1) /* dsi_dx1 - clk+ */
+ OMAP3_CORE1_IOPAD(0x20e2, PIN_OUTPUT | MUX_MODE1) /* dsi_dy1 - clk- */
+ OMAP3_CORE1_IOPAD(0x20e4, PIN_OUTPUT | MUX_MODE1) /* dsi_dx2 - data1+ */
+ OMAP3_CORE1_IOPAD(0x20e6, PIN_OUTPUT | MUX_MODE1) /* dsi_dy2 - data1- */
+ >;
+ };
+
+ display_pins: pinmux_display_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x20ca, PIN_INPUT | MUX_MODE4) /* gpio 62 - display te */
+ OMAP3_CORE1_IOPAD(0x20fe, PIN_OUTPUT | MUX_MODE4) /* gpio 87 - display reset */
+ >;
+ };
+};
+
&i2c2 {
smia_1: camera@10 {
compatible = "nokia,smia";
@@ -185,3 +205,72 @@
st,max-limit-y = <32>;
st,max-limit-z = <32>;
};
+
+&dss {
+ status = "ok";
+
+ vdda_video-supply = <&vdac>;
+};
+
+&dsi {
+ status = "ok";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&dsi_pins>;
+
+ vdd-supply = <&vpll2>;
+
+ port {
+ dsi_out_ep: endpoint {
+ remote-endpoint = <&lcd0_in>;
+ lanes = <2 3 0 1 4 5>;
+ };
+ };
+
+ lcd0: display {
+ compatible = "nokia,himalaya", "panel-dsi-cm";
+ label = "lcd0";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&display_pins>;
+
+ vpnl-supply = <&vmmc2>;
+ vddi-supply = <&vio>;
+
+ reset-gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; /* 87 */
+ te-gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>; /* 62 */
+
+ has-dsi-backlight;
+
+ /* panel is upside-down, 480x464 pixels */
+ /* top and bottom 5 lines are not visible */
+ /* physical dimensions: 48960µm x 88128µm */
+ panel-timing {
+ clock-frequency = <0>; /* Calculated by dsi */
+
+ hback-porch = <2>;
+ hactive = <480>;
+ hfront-porch = <0>;
+ hsync-len = <2>;
+
+ vback-porch = <1>;
+ vactive = <864>;
+ vfront-porch = <0>;
+ vsync-len = <1>;
+
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+
+ /* TODO: rotate panel by 180° */
+ /* TODO: add 5 pixel y-offset and limit vactive to 854 */
+ };
+
+ port {
+ lcd0_in: endpoint {
+ remote-endpoint = <&dsi_out_ep>;
+ };
+ };
+ };
+};
--
2.11.0
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