ARM: dts: rockchip: Add SPDIF transceiver for RK3288

Add the SPDIF transceiver controller definition and pin setup for RK3288
SoCs

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 21 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index d6c2f9116646..12ae3450be54 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -744,6 +744,21 @@
                 status = "disabled";
         };
 
+        spdif: sound@ff88b0000 {
+                compatible = "rockchip,rk3288-spdif", "rockchip,rk3066-spdif";
+                reg = <0xff8b0000 0x10000>;
+                #sound-dai-cells = <0>;
+                clock-names = "hclk", "mclk";
+                clocks = <&cru HCLK_SPDIF8CH>, <&cru SCLK_SPDIF8CH>;
+                dmas = <&dmac_bus_s 3>;
+                dma-names = "tx";
+                interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+                pinctrl-names = "default";
+                pinctrl-0 = <&spdif_tx>;
+                rockchip,grf = <&grf>;
+                status = "disabled";
+        };
+
         i2s: i2s@ff890000 {
                 compatible = "rockchip,rk3288-i2s", "rockchip,rk3066-i2s";
                 reg = <0xff890000 0x10000>;
@@ -1437,5 +1452,11 @@
                                                 <4 3 3 &pcfg_pull_none>;
                         };
                 };
+
+                spdif {
+                        spdif_tx: spdif-tx {
+                                rockchip,pins = <RK_GPIO6 11 RK_FUNC_1 &pcfg_pull_none>;
+                        };
+                };
         };
 };