diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.9/0085-pmic-led0.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.9/0085-pmic-led0.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.9/0085-pmic-led0.patch b/target/linux/mediatek/patches-4.9/0085-pmic-led0.patch new file mode 100644 index 0000000000..96662dd894 --- /dev/null +++ b/target/linux/mediatek/patches-4.9/0085-pmic-led0.patch @@ -0,0 +1,94 @@ +From patchwork Mon Mar 20 06:47:24 2017 +Content-Type: text/plain; charset="utf-8" +MIME-Version: 1.0 +Content-Transfer-Encoding: 7bit +Subject: [v6,1/4] dt-bindings: leds: Add document bindings for leds-mt6323 +From: sean.wang@mediatek.com +X-Patchwork-Id: 9633073 +Message-Id: <1489992447-13007-2-git-send-email-sean.wang@mediatek.com> +To: <rpurdie@rpsys.net>, <jacek.anaszewski@gmail.com>, <lee.jones@linaro.org>, + <matthias.bgg@gmail.com>, <pavel@ucw.cz>, <robh+dt@kernel.org>, + <mark.rutland@arm.com> +Cc: devicetree@vger.kernel.org, keyhaede@gmail.com, + Sean Wang <sean.wang@mediatek.com>, linux-kernel@vger.kernel.org, + linux-mediatek@lists.infradead.org, linux-leds@vger.kernel.org, + linux-arm-kernel@lists.infradead.org +Date: Mon, 20 Mar 2017 14:47:24 +0800 + +From: Sean Wang <sean.wang@mediatek.com> + +This patch adds documentation for devicetree bindings for LED support on +MT6323 PMIC. + +Signed-off-by: Sean Wang <sean.wang@mediatek.com> +--- + .../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..ac38472 +--- /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 ++controllers 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 ++ ++Required properties: ++- compatible : Must be "mediatek,mt6323-led" ++- address-cells : Must be 1 ++- size-cells : Must be 0 ++ ++Each led is represented as a child node of the mediatek,mt6323-led that ++describes the initial behavior for each LED physically and currently only four ++LED child nodes can be supported. ++ ++Required properties for the LED child node: ++- reg : LED channel number (0..3) ++ ++Optional properties for the LED child node: ++- label : See Documentation/devicetree/bindings/leds/common.txt ++- linux,default-trigger : See Documentation/devicetree/bindings/leds/common.txt ++- default-state: See Documentation/devicetree/bindings/leds/common.txt ++ ++Example: ++ ++ mt6323: pmic { ++ compatible = "mediatek,mt6323"; ++ ++ ... ++ ++ mt6323led: leds { ++ compatible = "mediatek,mt6323-led"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ led@0 { ++ reg = <0>; ++ label = "LED0"; ++ linux,default-trigger = "timer"; ++ default-state = "on"; ++ }; ++ led@1 { ++ reg = <1>; ++ label = "LED1"; ++ default-state = "off"; ++ }; ++ led@2 { ++ reg = <2>; ++ label = "LED2"; ++ default-state = "on"; ++ }; ++ }; ++ }; |