From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Xu Subject: [PATCH v3 2/2] ASoC: cs43130: Add devicetree bindings for CS43130 Date: Tue, 13 Dec 2016 11:47:07 -0600 Message-ID: <12f0babd-017e-4aef-b04c-07e783a84c64@EX4.ad.cirrus.com> References: <1481651227-15185-1-git-send-email-li.xu@cirrus.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1481651227-15185-1-git-send-email-li.xu-jGc1dHjMKG3QT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, perex-/Fr2/VpizcU@public.gmane.org, tiwai-IBi9RG/b67k@public.gmane.org, brian.austin-jGc1dHjMKG3QT0dZR+AlfA@public.gmane.org, Paul.Handrigan-jGc1dHjMKG3QT0dZR+AlfA@public.gmane.org, Li Xu List-Id: devicetree@vger.kernel.org Add devicetree bindings documentation file for Cirrus Logic CS43130 codec. Signed-off-by: Li Xu --- .../devicetree/bindings/sound/cs43130.txt | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cs43130.txt diff --git a/Documentation/devicetree/bindings/sound/cs43130.txt b/Documentation/devicetree/bindings/sound/cs43130.txt new file mode 100644 index 0000000..1af6b78 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/cs43130.txt @@ -0,0 +1,41 @@ +CS43130 DAC + +Required properties: + + - compatible : "cirrus,cs43130" + + - reg : the I2C address of the device for I2C + + - VA-supply, VP-supply, VL-supply, VCP-supply, VD-supply: + power supplies for the device, as covered in + Documentation/devicetree/bindings/regulator/regulator.txt. + + +Optional properties: + + - reset-gpios : Active low GPIO used to reset the device + + - cirrus,xtal-ibias: + When external MCLK is generated by external crystal + oscillator, CS43130 can be used to provide bias current + for external crystal. Amount of bias current sent is + set as: + 1 = 7.5uA + 2 = 12.5uA + 3 = 15uA + +Example: + +cs43130: audio-codec@30 { + compatible = "cirrus,cs43130"; + reg = <0x30>; + reset-gpios = <&axi_gpio 54 1>; + VA-supply = <&dummy_vreg>; + VP-supply = <&dummy_vreg>; + VL-supply = <&dummy_vreg>; + VCP-supply = <&dummy_vreg>; + VD-supply = <&dummy_vreg>; + cirrus,xtal-ibias = <2>; + interrupt-parent = <&gpio0>; + interrupts = <55 8>; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html