ARM: dts: blanche: add DU support

Define  the  Blanche board dependent part of the DU device node.
Add the device nodes for the  Analog Devices ADV7511W  HDMI transmitter
(connected to DU0) and ADV7123 video DAC (connected to DU1).  Add the
necessary subnodes to interconnect DU, HDMI/VDAC devices, and HDMI/VGA
connectors.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7792-blanche.dts b/arch/arm/boot/dts/r8a7792-blanche.dts
index 436d44e..3c6f42b 100644 (file)
--- a/arch/arm/boot/dts/r8a7792-blanche.dts
+++ b/arch/arm/boot/dts/r8a7792-blanche.dts
@@ -57,6 +57,61 @@
                pinctrl-names = "default";
        };
 
+       vga-encoder {
+               compatible = "adi,adv7123";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               adv7123_in: endpoint {
+                                       remote-endpoint = <&du_out_rgb1>;
+                               };
+                       };
+                       port@1 {
+                               reg = <1>;
+                               adv7123_out: endpoint {
+                                       remote-endpoint = <&vga_in>;
+                               };
+                       };
+               };
+       };
+
+       hdmi-out {
+               compatible = "hdmi-connector";
+               type = "a";
+
+               port {
+                       hdmi_con: endpoint {
+                               remote-endpoint = <&adv7511_out>;
+                       };
+               };
+       };
+
+       vga {
+               compatible = "vga-connector";
+
+               port {
+                       vga_in: endpoint {
+                               remote-endpoint = <&adv7123_out>;
+                       };
+               };
+       };
+
+       x1_clk: x1 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <74250000>;
+       };
+
+       x2_clk: x2 {
+               compatible = "fixed-clock";
+               #clock-cells = <0>;
+               clock-frequency = <65000000>;
+       };
+
        keyboard {
                compatible = "gpio-keys";
 
@@ -155,6 +210,16 @@
                groups = "sdhi0_data4", "sdhi0_ctrl";
                function = "sdhi0";
        };
+
+       du0_pins: du0 {
+               groups = "du0_rgb888", "du0_sync", "du0_disp";
+               function = "du0";
+       };
+
+       du1_pins: du1 {
+               groups = "du1_rgb666", "du1_sync", "du1_disp";
+               function = "du1";
+       };
 };
 
 &scif0 {
@@ -186,3 +251,63 @@
        cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
        status = "okay";
 };
+
+&i2c1 {
+       status = "okay";
+       clock-frequency = <400000>;
+
+       hdmi@39 {
+               compatible = "adi,adv7511w";
+               reg = <0x39>;
+               interrupt-parent = <&irqc>;
+               interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+
+               adi,input-depth = <8>;
+               adi,input-colorspace = "rgb";
+               adi,input-clock = "1x";
+               adi,input-style = <1>;
+               adi,input-justification = "evenly";
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               adv7511_in: endpoint {
+                                       remote-endpoint = <&du_out_rgb0>;
+                               };
+                       };
+
+                       port@1 {
+                               reg = <1>;
+                               adv7511_out: endpoint {
+                                       remote-endpoint = <&hdmi_con>;
+                               };
+                       };
+               };
+       };
+};
+
+&du {
+       pinctrl-0 = <&du0_pins &du1_pins>;
+       pinctrl-names = "default";
+
+       clocks = <&mstp7_clks R8A7792_CLK_DU0>, <&mstp7_clks R8A7792_CLK_DU1>,
+                <&x1_clk>, <&x2_clk>;
+       clock-names = "du.0", "du.1", "dclkin.0", "dclkin.1";
+       status = "okay";
+
+       ports {
+               port@0 {
+                       endpoint {
+                               remote-endpoint = <&adv7511_in>;
+                       };
+               };
+               port@1 {
+                       endpoint {
+                               remote-endpoint = <&adv7123_in>;
+                       };
+               };
+       };
+};