From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Fri, 27 Jul 2012 13:45:45 +0100 Subject: [PATCH 01/18] Documentation: Describe the ux500 realated audio related DT nodes In-Reply-To: <1343393162-11938-1-git-send-email-lee.jones@linaro.org> References: <1343393162-11938-1-git-send-email-lee.jones@linaro.org> Message-ID: <1343393162-11938-2-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Also explains the related AB8500 CODEC configuration properties. Signed-off-by: Lee Jones --- Documentation/devicetree/bindings/sound/ux500.txt | 62 +++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/ux500.txt diff --git a/Documentation/devicetree/bindings/sound/ux500.txt b/Documentation/devicetree/bindings/sound/ux500.txt new file mode 100644 index 0000000..af1c902 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/ux500.txt @@ -0,0 +1,62 @@ +* ux500 Audio Driver and ab8500 Audio CODEC + +Required properties: + - compatible: + - Machine Driver : "stericsson,snd-soc-mop500" + - CPU-side DAI : "stericsson,ux500-msp-i2s" + - DMA (platform) : "stericsson,ux500-pcm" + - Audio CODEC : "stericsson,ab8500-codec" + +Optional properties: + - reg : Physical base address and length of the device's registers. + - interrupts : The interrupt outputs from the device. + - interrupt-parent : The parent interrupt controller. + - -supply : Phandle to the regulator supply + +Non-standard properties: + - Machine Driver: + - stericsson,platform-pcm-dma : Phandle to the DMA (platform) node + - stericsson,cpu-dai : Phandle to the CPU-side DAI + - stericsson,audio-codec : Phandle to the Audio CODEC + - CPU-side DAI: + - stericcson,use-pinctrl : Indicates whether an MSP port has pinctrl support + - Audio CODEC: + - stericsson,amic[1|2]-type-single-ended : Single-ended Analoge Mic (default: differential) + - stericsson,amic1a-bias-vamic2 : Analoge Mic wishes to use a non-standard Vamic + - stericsson,amic1b-bias-vamic2 : Analoge Mic wishes to use a non-standard Vamic + - stericsson,amic2-bias-vamic1 : Analoge Mic wishes to use a non-standard Vamic + - stericsson,earpeice-cmv : Earpeice voltage (only: 950 | 1100 | 1270 | 1580) + +Example: + + sound { + compatible = "stericsson,snd-soc-mop500"; + + stericsson,platform-pcm-dma = <&pcm>; + stericsson,cpu-dai = <&msp1 &msp3>; + stericsson,audio-codec = <&codec>; + }; + + pcm: ux500-pcm { + compatible = "stericsson,ux500-pcm"; + }; + + msp1: msp at 80124000 { + compatible = "stericsson,ux500-msp-i2s"; + reg = <0x80124000 0x1000>; + interrupts = <0 62 0x4>; + v-ape-supply = <&db8500_vape_reg>; + stericcson,use-pinctrl; + }; + + msp3: msp at 80125000 { + compatible = "stericsson,ux500-msp-i2s"; + reg = <0x80125000 0x1000>; + interrupts = <0 62 0x4>; + v-ape-supply = <&db8500_vape_reg>; + }; + + codec: ab8500-codec { + compatible = "stericsson,ab8500-codec"; + stericsson,earpeice-cmv = <950>; /* Units in mV. */ + }; -- 1.7.9.5