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From:   Samuel Holland <samuel@sholland.org>
To:     Heiko Stuebner <heiko@sntech.de>
Cc:     Samuel Holland <samuel@sholland.org>,
        Alex Bee <knaerzche@gmail.com>,
        Chen-Yu Tsai <wenst@chromium.org>,
        Levin Du <djw@t-chip.com.cn>, Liang Chen <cl@rock-chips.com>,
        Peter Geis <pgwipeout@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        Tianling Shen <cnsztl@gmail.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-rockchip@lists.infradead.org,
        Michael Riesch <michael.riesch@wolfvision.net>,
        Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
Subject: [PATCH 2/3] arm64: dts: rockchip: rk356x: Add pdm node
Date:   Sat, 29 Jan 2022 23:38:02 -0600
Message-Id: <20220130053803.43660-2-samuel@sholland.org>
In-Reply-To: <20220130053803.43660-1-samuel@sholland.org>
References: <20220130053803.43660-1-samuel@sholland.org>
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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>
---

 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@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@fe530000 {
 		compatible = "arm,pl330", "arm,primecell";
 		reg = <0x0 0xfe530000 0x0 0x4000>;
-- 
2.33.1