linux-kernel - [PATCH 7/9] ARM: dts: bcm2835-rpi: add onboard audio device

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Date:   Tue, 16 Oct 2018 17:02:26 +0200
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     gregkh@...uxfoundation.org
Cc:     eric@...olt.net, stefan.wahren@...e.com,
        linux-rpi-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org, tiwai@...e.de,
        nsaenzjulienne@...e.de
Subject: [PATCH 7/9] ARM: dts: bcm2835-rpi: add onboard audio device

The audio device interfaces with VCHIQ to send audio through the rpi's
Headphones & HDMI.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
---
 arch/arm/boot/dts/bcm2835-rpi.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index cb2d6d78a7fb..6cc580d17862 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -35,6 +35,11 @@
 			reg = <0x7e00b840 0xf>;
 			interrupts = <0 2>;
 		};
+
+		audio: audio {
+			compatible = "brcm,bcm2835-audio";
+			brcm,pwm-channels = <8>;
+		};
 	};
 };
 
-- 
2.19.1