ARM: dts: am43x-epos-evm: add LCD data

Add DT data for am43x-epos-evm's LCD panel.

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

diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index ad362c5..19f1f7e 100644 (file)
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -19,6 +19,10 @@
        model = "TI AM43x EPOS EVM";
        compatible = "ti,am43x-epos-evm","ti,am4372","ti,am43";
 
+       aliases {
+               display0 = &lcd0;
+       };
+
        vmmcsd_fixed: fixedregulator-sd {
                compatible = "regulator-fixed";
                regulator-name = "vmmcsd_fixed";
@@ -27,6 +31,44 @@
                enable-active-high;
        };
 
+       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 = <&gpio2 1 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: pinmux@44e10800 {
                cpsw_default: cpsw_default {
                        pinctrl-single,pins = <
@@ -161,6 +203,46 @@
                                0x234 (PIN_INPUT_PULLUP | MUX_MODE1)    /* cam1_wen.hdq_gpio */
                        >;
                };
+
+               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 = <
+                               /* GPMC CLK -> GPIO 2_1 to select LCD / HDMI */
+                               0x08C (PIN_OUTPUT_PULLUP | MUX_MODE7)
+                       >;
+               };
        };
 
        matrix_keypad: matrix_keypad@0 {
@@ -468,3 +550,17 @@
        pinctrl-names = "default";
        pinctrl-0 = <&hdq_pins>;
 };
+
+&dss {
+       status = "ok";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&dss_pins>;
+
+       port {
+               dpi_out: endpoint@0 {
+                       remote-endpoint = <&lcd_in>;
+                       data-lines = <24>;
+               };
+       };
+};