linux-kernel - [PATCH v3 4/6] ARM: dts: at91: sama7g5: add nodes for PDMC

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Date:   Mon, 7 Mar 2022 14:22:00 +0200
From:   Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
To:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <lars@...afoo.de>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <robh+dt@...nel.org>,
        <nicolas.ferre@...rochip.com>,
        "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com>
Subject: [PATCH v3 4/6] ARM: dts: at91: sama7g5: add nodes for PDMC

Microchip's SAMA7G5 embeds two PDMCs. The PDMCs can be used to connect 2x4
PDM microphones.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
---

Chnages in v3:
 - none

Changes in v2:
 - set 'sound' as nodes' name

 arch/arm/boot/dts/sama7g5.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi
index eddcfbf4d223..70e86444194f 100644
--- a/arch/arm/boot/dts/sama7g5.dtsi
+++ b/arch/arm/boot/dts/sama7g5.dtsi
@@ -275,6 +275,30 @@ pwm: pwm@...04000 {
 			status = "disabled";
 		};
 
+		pdmc0: sound@...08000 {
+			compatible = "microchip,sama7g5-pdmc";
+			reg = <0xe1608000 0x1000>;
+			interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+			#sound-dai-cells = <0>;
+			dmas = <&dma0 AT91_XDMAC_DT_PERID(37)>;
+			dma-names = "rx";
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 68>, <&pmc PMC_TYPE_GCK 68>;
+			clock-names = "pclk", "gclk";
+			status = "disabled";
+		};
+
+		pdmc1: sound@...0c000 {
+			compatible = "microchip,sama7g5-pdmc";
+			reg = <0xe160c000 0x1000>;
+			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+			#sound-dai-cells = <0>;
+			dmas = <&dma0 AT91_XDMAC_DT_PERID(38)>;
+			dma-names = "rx";
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 69>, <&pmc PMC_TYPE_GCK 69>;
+			clock-names = "pclk", "gclk";
+			status = "disabled";
+		};
+
 		spdifrx: spdifrx@...14000 {
 			#sound-dai-cells = <0>;
 			compatible = "microchip,sama7g5-spdifrx";
-- 
2.32.0