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

1 files changed, 61 insertions, 0 deletions

diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi
index ab5d5701e11d..823f15ca68df 100644
--- 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>;
+                                };
+                        };
+                };
         };
 };