1 files changed, 97 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index c25d15837ce9..003766c47bbf 100644
--- 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 {
@@ -359,3 +442,17 @@
                 };
         };
 };
+
+&dss {
+        status = "ok";
+
+        pinctrl-names = "default";
+        pinctrl-0 = <&dss_pins>;
+
+        port {
+                dpi_out: endpoint@0 {
+                        remote-endpoint = <&lcd_in>;
+                        data-lines = <24>;
+                };
+        };
+};