From: Sathya Prakash M R <sath...@ti.com>
Add DT data for am437x-gp-evm's LCD panel.
Signed-off-by: Sathya Prakash M R <sath...@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 97 +++++++++++++++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts
b/arch/arm/boot/dts/am437x-gp-evm.dts
index df8798e8bd25..350e896a0d89 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -53,6 +53,48 @@
0x02000069 /* LEFT */
0x0201006c>; /* DOWN */
};
+
+ aliases {
+ display0 = &lcd0;
+ };
+
+ lcd0: display {
+ compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
+ label = "lcd";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&lcd_pins>;
+
+ /*
+ * SelLCDorHDMI, LOW to select HDMI. This is not really the
+ * panel's enable GPIO, but we don't have HDMI driver support
nor
+ * support to switch between two displays, so using this gpio as
+ * panel's enable should be safe.
+ */
+ enable-gpios = <&gpio5 8 GPIO_ACTIVE_HIGH>;
+
+ panel-timing {
+ clock-frequency = <33000000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <210>;
+ hback-porch = <16>;
+ hsync-len = <30>;
+ vback-porch = <10>;
+ vfront-porch = <22>;
+ vsync-len = <13>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+
+ port {
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
};
&am43xx_pinmux {
@@ -81,6 +123,47 @@
0x164 MUX_MODE0 /*
eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
>;
};
+
+ dss_pins: dss_pins {
+ pinctrl-single,pins = <
+ 0x020 (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 8 ->
DSS DATA 23 */
+ 0x024 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x028 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x02c (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x030 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x034 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x038 (PIN_OUTPUT_PULLUP | MUX_MODE1)
+ 0x03c (PIN_OUTPUT_PULLUP | MUX_MODE1) /*gpmc ad 15 ->
DSS DATA 16 */
+ 0x0a0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 0 */
+ 0x0a4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0a8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0ac (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0b0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0b4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0b8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0bc (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0c0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0c4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0c8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0cc (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0d0 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0d4 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0d8 (PIN_OUTPUT_PULLUP | MUX_MODE0)
+ 0x0dc (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS DATA 15 */
+ 0x0e0 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS VSYNC */
+ 0x0e4 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS HSYNC */
+ 0x0e8 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS PCLK */
+ 0x0ec (PIN_OUTPUT_PULLUP | MUX_MODE0) /* DSS AC BIAS EN
*/
+
+ >;
+ };
+
+ lcd_pins: lcd_pins {
+ pinctrl-single,pins = <
+ /* GPIO 5_8 to select LCD / HDMI */
+ 0x238 (PIN_OUTPUT_PULLUP | MUX_MODE7)
+ >;
+ };
};
&i2c0 {
@@ -125,3 +208,17 @@
pinctrl-0 = <&mmc1_pins>;
cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
};
+
+&dss {
+ status = "ok";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&dss_pins>;
+
+ port {
+ dpi_out: endpoint@0 {
+ remote-endpoint = <&lcd_in>;
+ data-lines = <24>;
+ };
+ };
+};
--
1.9.1
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