arm64: dts: rockchip: Add pdm node to rk356x

rk356x contains a PDM microphone controller which is compatible with the
existing rockchip,pdm binding. Add its node.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220130053803.43660-2-samuel@sholland.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 80e3a3a..e20ee39 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -770,6 +770,27 @@
                status = "disabled";
        };
 
+       pdm: pdm@fe440000 {
+               compatible = "rockchip,rk3568-pdm";
+               reg = <0x0 0xfe440000 0x0 0x1000>;
+               interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&cru MCLK_PDM>, <&cru HCLK_PDM>;
+               clock-names = "pdm_clk", "pdm_hclk";
+               dmas = <&dmac1 9>;
+               dma-names = "rx";
+               pinctrl-0 = <&pdmm0_clk
+                            &pdmm0_clk1
+                            &pdmm0_sdi0
+                            &pdmm0_sdi1
+                            &pdmm0_sdi2
+                            &pdmm0_sdi3>;
+               pinctrl-names = "default";
+               resets = <&cru SRST_M_PDM>;
+               reset-names = "pdm-m";
+               #sound-dai-cells = <0>;
+               status = "disabled";
+       };
+
        dmac0: dmac@fe530000 {
                compatible = "arm,pl330", "arm,primecell";
                reg = <0x0 0xfe530000 0x0 0x4000>;