From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v3 1/4] Documentation: devicetree: Add document bindings for leds-mt6323 Date: Fri, 17 Feb 2017 14:05:57 +0800 Message-ID: <1487311560-26684-2-git-send-email-sean.wang@mediatek.com> References: <1487311560-26684-1-git-send-email-sean.wang@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1487311560-26684-1-git-send-email-sean.wang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: rpurdie-Fm38FmjxZ/leoWH0uzbU5w@public.gmane.org, jacek.anaszewski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, pavel-+ZI9xUNit7I@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-leds-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, keyhaede-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Sean Wang List-Id: devicetree@vger.kernel.org From: Sean Wang This patch adds documentation for devicetree bindings for LED support on MT6323 PMIC Signed-off-by: Sean Wang --- .../devicetree/bindings/leds/leds-mt6323.txt | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-mt6323.txt diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt new file mode 100644 index 0000000..a968258 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -0,0 +1,60 @@ +Device Tree Bindings for LED support on MT6323 PMIC + +MT6323 LED controller is subfunction provided by +MT6323 PMIC, so the LED controller are defined as +the subnode of the function node provided by MT6323 +PMIC controller that is being defined as one kind of +Muti-Function Device (MFD) using shared bus called +PMIC wrapper for each subfunction to access remote +MT6323 PMIC hardware. + +For MT6323 MFD bindings see: +Documentation/devicetree/bindings/mfd/mt6397.txt +For MediaTek PMIC wrapper bindings see: +Documentation/devicetree/bindings/soc/mediatek/pwrap.txt + +There's sub-node for the LED controller that describes +the initial behavior for each LED physically and currently +only four LED sub-nodes could be supported. + +Required properties: +- compatible : must be "mediatek,mt6323-led" + +Optional properties: +- label : (optional) + see Documentation/devicetree/bindings/leds/common.txt +- linux,default-trigger : (optional) + see Documentation/devicetree/bindings/leds/common.txt +- default-state: (optional) The initial state of the LED + see Documentation/devicetree/bindings/leds/common.txt + +Example: + +&pwrap { + pmic: mt6323 { + compatible = "mediatek,mt6323"; + interrupt-parent = <&pio>; + interrupts = <150 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <2>; + + mt6323led: mt6323led{ + compatible = "mediatek,mt6323-led"; + + led0: isink0 { + label = "LED0" + linux,default-trigger = "timer"; + default-state = "on"; + }; + led1: isink1 { + label = "LED1"; + default-state = "on"; + }; + led2: isink2 { + label = "LED2"; + linux,default-trigger = "timer"; + default-state = "off"; + }; + }; + }; +}; -- 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