[PATCH 2/3] arm64: dts: rockchip: rk356x: Add pdm node

Samuel Holland samuel at sholland.org
Sat Jan 29 21:38:02 PST 2022


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

Signed-off-by: Samuel Holland <samuel at sholland.org>
---

 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index a68033a23975..f2f3cdeab0aa 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -651,6 +651,27 @@ &i2s1m0_sdo0   &i2s1m0_sdo1
 		status = "disabled";
 	};
 
+	pdm: pdm at 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";
+		resets = <&cru SRST_M_PDM>;
+		reset-names = "pdm-m";
+		pinctrl-0 = <&pdmm0_clk
+			     &pdmm0_clk1
+			     &pdmm0_sdi0
+			     &pdmm0_sdi1
+			     &pdmm0_sdi2
+			     &pdmm0_sdi3>;
+		pinctrl-names = "default";
+		#sound-dai-cells = <0>;
+		status = "disabled";
+	};
+
 	dmac0: dmac at fe530000 {
 		compatible = "arm,pl330", "arm,primecell";
 		reg = <0x0 0xfe530000 0x0 0x4000>;
-- 
2.33.1




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