From mboxrd@z Thu Jan 1 00:00:00 1970 From: Baoyou Xie Subject: [PATCH v1 1/3] ASoC: zx-tdm: add documentation for zte's tdm controller Date: Mon, 13 Feb 2017 16:17:31 +0800 Message-ID: <1486973853-25291-1-git-send-email-baoyou.xie@linaro.org> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: 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, jun.nie-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org Cc: alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, baoyou.xie-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, xie.baoyou-Th6q7B73Y6EnDS1+zs4M5A@public.gmane.org, chen.chaokai-Th6q7B73Y6EnDS1+zs4M5A@public.gmane.org, wang.qiang01-Th6q7B73Y6EnDS1+zs4M5A@public.gmane.org List-Id: devicetree@vger.kernel.org This patch adds dt-binding documentation for zte's tdm controller. Signed-off-by: Baoyou Xie --- .../devicetree/bindings/sound/zte,tdm.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/zte,tdm.txt diff --git a/Documentation/devicetree/bindings/sound/zte,tdm.txt b/Documentation/devicetree/bindings/sound/zte,tdm.txt new file mode 100644 index 0000000..f6e4f7f --- /dev/null +++ b/Documentation/devicetree/bindings/sound/zte,tdm.txt @@ -0,0 +1,32 @@ +ZTE TDM DAI driver + +Required properties: + +- compatible : should be one of the following. + * zte,zx-tdm +- reg : physical base address of the controller and length of memory mapped + region. +- clocks : Pairs of phandle and specifier referencing the controller's clocks. +- clock-names: "tdm_wclk" for the wclk. + "tdm_pclk" for the pclk. +-#clock-cells: should be 1. +- zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling + the dma. includes: + phandle of sysctrl. + register offset in sysctrl for control dma. + mask of the register that be written to dma. + value of the register that be written to dma. + +Example: + + tdm: tdm@1487000 { + compatible = "zte,zx-tdm"; + reg = <0x01487000 0x1000>; + clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>; + clock-names = "tdm_wclk", "tdm_pclk"; + #clock-cells = <1>; + pinctrl-names = "default"; + pinctrl-0 = <&tdm_global_pin>; + zte,tdm-dma-sysctrl = <&sysctrl 0x10c 0xf 0xf>; + status = "ok"; + }; -- 2.7.4 -- 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