| Message ID | 20200909072159.14888-2-fengping.yu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v18,1/3] dt-bindings: Add bindings for Mediatek matrix keypad | expand |
Hi Rob, On Wed, Sep 09, 2020 at 03:21:58PM +0800, Fengping Yu wrote: > From: "fengping.yu" <fengping.yu@mediatek.com> > > This patch add devicetree bindings for Mediatek matrix keypad driver. I am generally happy with the driver itself, do you have any concerns with the binding? Thanks! > > Signed-off-by: fengping.yu <fengping.yu@mediatek.com> > --- > .../devicetree/bindings/input/mtk-kpd.yaml | 83 +++++++++++++++++++ > 1 file changed, 83 insertions(+) > create mode 100644 Documentation/devicetree/bindings/input/mtk-kpd.yaml > > diff --git a/Documentation/devicetree/bindings/input/mtk-kpd.yaml b/Documentation/devicetree/bindings/input/mtk-kpd.yaml > new file mode 100644 > index 000000000000..eda2c6efbfbf > --- /dev/null > +++ b/Documentation/devicetree/bindings/input/mtk-kpd.yaml > @@ -0,0 +1,83 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +version: 1 > + > +$id: http://devicetree.org/schemas/input/mtk-keypad.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Mediatek's Keypad Controller device tree bindings > + > +maintainer: > + - Fengping Yu <fengping.yu@mediatek.com> > + > +description: | > + Mediatek's Keypad controller is used to interface a SoC with a matrix-type > + keypad device. The keypad controller supports multiple row and column lines. > + A key can be placed at each intersection of a unique row and a unique column. > + The keypad controller can sense a key-press and key-release and report the > + event using a interrupt to the cpu. > + > +properties: > + compatible: > + oneOf: > + - const: "mediatek,mt6779-keypad" > + - const: "mediatek,mt6873-keypad" > + > + clock-names: > + description: Names of the clocks listed in clocks property in the same order > + maxItems: 1 > + items: > + - const: kpd > + > + clocks: > + description: Must contain one entry, for the module clock > + refs: devicetree/bindings/clocks/clock-bindings.txt for details. > + > + interrupts: > + description: A single interrupt specifier > + maxItems: 1 > + > + linux,keymap: > + description: The keymap for keys as described in the binding document > + refs: devicetree/bindings/input/matrix-keymap.txt > + minItems: 1 > + > + reg: > + description: The base address of the Keypad register bank > + maxItems: 1 > + > + wakeup-source: > + description: use any event on keypad as wakeup event > + type: boolean > + > + keypad,num-columns: > + description: Number of column lines connected to the keypad controller. > + > + keypad,num-rows: > + description: Number of row lines connected to the keypad controller. > + > + mediatek,debounce-us: > + description: Debounce interval in microseconds, if not specified, the default > + value is 16000 > + maximum: 256000 > + > +required: > + - compatible > + - reg > + - interrupts > + - linux,keymap > + - clocks > + - clock-names > + > +examples: > + - | > + > + kp@10010000 { > + compatible = "mediatek,kp"; > + reg = <0 0x10010000 0 0x1000>; > + linux,keymap = < MATRIX_KEY(0x00, 0x00, KEY_VOLUMEDOWN) >; > + interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_FALLING>; > + clocks = <&clk26m>; > + clock-names = "kpd"; > + }; > -- > 2.18.0
diff --git a/Documentation/devicetree/bindings/input/mtk-kpd.yaml b/Documentation/devicetree/bindings/input/mtk-kpd.yaml new file mode 100644 index 000000000000..eda2c6efbfbf --- /dev/null +++ b/Documentation/devicetree/bindings/input/mtk-kpd.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +version: 1 + +$id: http://devicetree.org/schemas/input/mtk-keypad.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek's Keypad Controller device tree bindings + +maintainer: + - Fengping Yu <fengping.yu@mediatek.com> + +description: | + Mediatek's Keypad controller is used to interface a SoC with a matrix-type + keypad device. The keypad controller supports multiple row and column lines. + A key can be placed at each intersection of a unique row and a unique column. + The keypad controller can sense a key-press and key-release and report the + event using a interrupt to the cpu. + +properties: + compatible: + oneOf: + - const: "mediatek,mt6779-keypad" + - const: "mediatek,mt6873-keypad" + + clock-names: + description: Names of the clocks listed in clocks property in the same order + maxItems: 1 + items: + - const: kpd + + clocks: + description: Must contain one entry, for the module clock + refs: devicetree/bindings/clocks/clock-bindings.txt for details. + + interrupts: + description: A single interrupt specifier + maxItems: 1 + + linux,keymap: + description: The keymap for keys as described in the binding document + refs: devicetree/bindings/input/matrix-keymap.txt + minItems: 1 + + reg: + description: The base address of the Keypad register bank + maxItems: 1 + + wakeup-source: + description: use any event on keypad as wakeup event + type: boolean + + keypad,num-columns: + description: Number of column lines connected to the keypad controller. + + keypad,num-rows: + description: Number of row lines connected to the keypad controller. + + mediatek,debounce-us: + description: Debounce interval in microseconds, if not specified, the default + value is 16000 + maximum: 256000 + +required: + - compatible + - reg + - interrupts + - linux,keymap + - clocks + - clock-names + +examples: + - | + + kp@10010000 { + compatible = "mediatek,kp"; + reg = <0 0x10010000 0 0x1000>; + linux,keymap = < MATRIX_KEY(0x00, 0x00, KEY_VOLUMEDOWN) >; + interrupts = <GIC_SPI 75 IRQ_TYPE_EDGE_FALLING>; + clocks = <&clk26m>; + clock-names = "kpd"; + };