arm/dts: am57xx-beagle-x15.dts: add HDMI

AM57xx Beagle X15 has a HDMI output. This patch adds the device tree
nodes required for HDMI.

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

diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts
index 7128fad..a42cc37 100644 (file)
--- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
@@ -19,6 +19,7 @@
                rtc0 = &mcp_rtc;
                rtc1 = &tps659038_rtc;
                rtc2 = &rtc;
+               display0 = &hdmi0;
        };
 
        memory {
@@ -103,6 +104,51 @@
                pinctrl-names = "default";
                pinctrl-0 = <&extcon_usb2_pins>;
        };
+
+       hdmi0: connector {
+               compatible = "hdmi-connector";
+               label = "hdmi";
+
+               type = "a";
+
+               port {
+                       hdmi_connector_in: endpoint {
+                               remote-endpoint = <&tpd12s015_out>;
+                       };
+               };
+       };
+
+       tpd12s015: encoder {
+               compatible = "ti,tpd12s015";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&tpd12s015_pins>;
+
+               gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>,   /* gpio7_10, CT CP HPD */
+                       <&gpio6 28 GPIO_ACTIVE_HIGH>,   /* gpio6_28, LS OE */
+                       <&gpio7 12 GPIO_ACTIVE_HIGH>;   /* gpio7_12/sp1_cs2, HPD */
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+
+                               tpd12s015_in: endpoint {
+                                       remote-endpoint = <&hdmi_out>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+
+                               tpd12s015_out: endpoint {
+                                       remote-endpoint = <&hdmi_connector_in>;
+                               };
+                       };
+               };
+       };
 };
 
 &dra7_pmx_core {
@@ -122,6 +168,13 @@
                >;
        };
 
+       hdmi_pins: pinmux_hdmi_pins {
+               pinctrl-single,pins = <
+                       0x408 (PIN_INPUT | MUX_MODE1)   /* i2c2_sda.hdmi1_ddc_scl */
+                       0x40c (PIN_INPUT | MUX_MODE1)   /* i2c2_scl.hdmi1_ddc_sda */
+               >;
+       };
+
        i2c3_pins_default: i2c3_pins_default {
                pinctrl-single,pins = <
                        0x2a4 (PIN_INPUT| MUX_MODE10)   /* mcasp1_aclkx.i2c3_sda */
@@ -278,6 +331,14 @@
                        0x3e8 (PIN_INPUT_PULLUP | MUX_MODE14) /* uart1_ctsn.gpio7_24 */
                >;
        };
+
+       tpd12s015_pins: pinmux_tpd12s015_pins {
+               pinctrl-single,pins = <
+                       0x3b0 (PIN_OUTPUT | MUX_MODE14)         /* gpio7_10 CT_CP_HPD */
+                       0x3b8 (PIN_INPUT_PULLDOWN | MUX_MODE14) /* gpio7_12 HPD */
+                       0x370 (PIN_OUTPUT | MUX_MODE14)         /* gpio6_28 LS_OE */
+               >;
+       };
 };
 
 &i2c1 {
@@ -608,3 +669,23 @@
                };
        };
 };
+
+&dss {
+       status = "ok";
+
+       vdda_video-supply = <&ldoln_reg>;
+};
+
+&hdmi {
+       status = "ok";
+       vdda-supply = <&ldo3_reg>;
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&hdmi_pins>;
+
+       port {
+               hdmi_out: endpoint {
+                       remote-endpoint = <&tpd12s015_in>;
+               };
+       };
+};