From 2834a736371eab06182fcdfb0c32d23d34068764 Mon Sep 17 00:00:00 2001 From: Kevin Li Date: Thu, 12 Mar 2020 15:32:40 -0700 Subject: ASoC: brcm: DSL/PON SoC device tree bindings of audio driver Signed-off-by: Kevin Li Link: https://lore.kernel.org/r/20200312223242.2843-1-kevin-ke.li@broadcom.com Signed-off-by: Mark Brown --- .../bindings/sound/brcm,bcm63xx-audio.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt b/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt new file mode 100644 index 000000000000..007f524b4d15 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/brcm,bcm63xx-audio.txt @@ -0,0 +1,29 @@ +Broadcom DSL/PON BCM63xx Audio I2S controller + +Required properties: +- compatible: Should be "brcm,bcm63xx-i2s". +- #address-cells: 32bit valued, 1 cell. +- #size-cells: 32bit valued, 0 cell. +- reg: Should contain audio registers location and length +- interrupts: Should contain the interrupt for the controller. +- clocks: Must contain an entry for each entry in clock-names. + Please refer to clock-bindings.txt. +- clock-names: One of each entry matching the clocks phandles list: + - "i2sclk" (generated clock) Required. + - "i2sosc" (fixed 200MHz clock) Required. + +(1) : The generated clock is required only when any of TX and RX + works on Master Mode. +(2) : The fixed 200MHz clock is from internal chip and always on + +Example: + + i2s: bcm63xx-i2s { + #address-cells = <1>; + #size-cells = <0>; + compatible = "brcm,bcm63xx-i2s"; + reg = <0xFF802080 0xFF>; + interrupts = ; + clocks = <&i2sclk>, <&osc>; + clock-names = "i2sclk","i2sosc"; + }; -- cgit v1.2.3