[PATCH] ARM: dts: rockchip: add spdif for rk322x SoCs

[Sugar Zhang]

This patch add the spdif dt node for rk322x SoCs.

Signed-off-by: Sugar Zhang <sugar.zh...@rock-chips.com>
---

 arch/arm/boot/dts/rk322x.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index f3e4ffd..b3b80e1 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -196,6 +196,20 @@
                status = "disabled";
        };
 
+       spdif: spdif@100d0000 {
+               compatible = "rockchip,rk3228-spdif";
+               reg = <0x100d0000 0x1000>;
+               interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF_8CH>;
+               clock-names = "mclk", "hclk";
+               dmas = <&pdma 10>;
+               #dma-cells = <1>;
+               dma-names = "tx";
+               pinctrl-names = "default";
+               pinctrl-0 = <&spdif_tx>;
+               status = "disabled";
+       };
+
        i2s2: i2s2@100e0000 {
                compatible = "rockchip,rk3228-i2s", "rockchip,rk3066-i2s";
                reg = <0x100e0000 0x4000>;
@@ -835,6 +849,12 @@
                        };
                };
 
+               spdif {
+                       spdif_tx: spdif-tx {
+                               rockchip,pins = <3 31 RK_FUNC_2 
&pcfg_pull_none>;
+                       };
+               };
+
                tsadc {
                        otp_gpio: otp-gpio {
                                rockchip,pins = <0 24 RK_FUNC_GPIO 
&pcfg_pull_none>;
-- 
2.7.4