arc: axs10x - add support of ARC PGU

Synopsys DesignWare ARC SDP boards sport ARC SDP display
controller attached to ADV7511 HDMI encoder.

That change adds desctiption of both ARC PGU and ADV7511 in
ARC SDP'd base-board Device Tree.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: devicetree@vger.kernel.org
Cc: linux-snps-arc@lists.infradead.org

diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index ab5d5701e11d448200d3010df229c9f5f57875d9..823f15ca68df03aa017484974bab80adbd71b66e 100644 (file)
--- a/arch/arc/boot/dts/axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/axs10x_mb.dtsi
@@ -34,6 +34,12 @@
                                clock-frequency = <50000000>;
                                #clock-cells = <0>;
                        };
+
+                       pguclk: pguclk {
+                               #clock-cells = <0>;
+                               compatible = "fixed-clock";
+                               clock-frequency = <74440000>;
+                       };
                };
 
                ethernet@0x18000 {
@@ -155,6 +161,37 @@
                        clocks = <&i2cclk>;
                        interrupts = <16>;
 
+                       adv7511:adv7511@39{
+                               compatible="adi,adv7511";
+                               reg = <0x39>;
+                               interrupts = <23>;
+                               adi,input-depth = <8>;
+                               adi,input-colorspace = "rgb";
+                               adi,input-clock = "1x";
+                               adi,clock-delay = <0x03>;
+
+                               ports {
+                                       #address-cells = <1>;
+                                       #size-cells = <0>;
+
+                                       /* RGB/YUV input */
+                                       port@0 {
+                                               reg = <0>;
+                                               adv7511_input:endpoint {
+                                               remote-endpoint = <&pgu_output>;
+                                               };
+                                       };
+
+                                       /* HDMI output */
+                                       port@1 {
+                                               reg = <1>;
+                                               adv7511_output: endpoint {
+                                                       remote-endpoint = <&hdmi_connector_in>;
+                                               };
+                                       };
+                               };
+                       };
+
                        eeprom@0x54{
                                compatible = "24c01";
                                reg = <0x54>;
@@ -168,6 +205,16 @@
                        };
                };
 
+               hdmi0: connector {
+                       compatible = "hdmi-connector";
+                       type = "a";
+                       port {
+                               hdmi_connector_in: endpoint {
+                                       remote-endpoint = <&adv7511_output>;
+                               };
+                       };
+               };
+
                gpio0:gpio@13000 {
                        compatible = "snps,dw-apb-gpio";
                        reg = <0x13000 0x1000>;
@@ -229,5 +276,19 @@
                                reg = <2>;
                        };
                };
+
+               pgu@17000 {
+                       compatible = "snps,arcpgu";
+                       reg = <0x17000 0x400>;
+                       encoder-slave = <&adv7511>;
+                       clocks = <&pguclk>;
+                       clock-names = "pxlclk";
+
+                       port {
+                               pgu_output: endpoint {
+                                       remote-endpoint = <&adv7511_input>;
+                               };
+                       };
+               };
        };
 };