ARM: dts: am437x-gp-evm: add LCD data

Add DT data for am437x-gp-evm's LCD panel.

Signed-off-by: Sathya Prakash M R <sathyap@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index f432685..c16d975 100644 (file)
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -19,6 +19,10 @@
        model = "TI AM437x GP EVM";
        compatible = "ti,am437x-gp-evm","ti,am4372","ti,am43";
 
+       aliases {
+               display0 = &lcd0;
+       };
+
        vmmcsd_fixed: fixedregulator-sd {
                compatible = "regulator-fixed";
                regulator-name = "vmmcsd_fixed";
@@ -64,6 +68,44 @@
                                0x02000069      /* LEFT */
                                0x0201006c>;      /* DOWN */
                };
+
+       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 {
@@ -171,6 +213,47 @@
                        0x9c (PIN_OUTPUT | MUX_MODE0)           /* gpmc_be0n_cle.gpmc_be0n_cle */
                >;
        };
+
+       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 {
@@ -354,3 +437,17 @@
                };
        };
 };
+
+&dss {
+       status = "ok";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&dss_pins>;
+
+       port {
+               dpi_out: endpoint@0 {
+                       remote-endpoint = <&lcd_in>;
+                       data-lines = <24>;
+               };
+       };
+};