On Mon, Jan 03, 2022 at 01:49:23PM +0800, Li-hao Kuo wrote: > Add devicetree bindings I2C Add bindings doc for Sunplus SP7021 Please follow the subject format used by other files in the subsystem/directory. This should be clear with 'git log --oneline'. 'dt-bindings: i2c: ...' in this case. > > Signed-off-by: Li-hao Kuo <lhjeff911@xxxxxxxxx> > --- > Changes in v3: > - Addressed all comments from Mr. Rob Herring. > - Modified the structure and register access method. > - Modifiedthe the YAML file. > > .../devicetree/bindings/i2c/i2c-sunplus.yaml | 72 ++++++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 73 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml b/Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml > new file mode 100644 > index 0000000..ac03041 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml > @@ -0,0 +1,72 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright (C) Sunplus Co., Ltd. > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/i2c/i2c-sunplus.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sunplus I2C controller > + > +allOf: > + - $ref: /schemas/i2c/i2c-controller.yaml# > + > +maintainers: > + - Li-hao Kuo <lhjeff911@xxxxxxxxx> > + > +properties: > + compatible: > + enum: > + - sunplus,sp7021-i2cm > + - sunplus,q645-i2cm > + > + reg: > + items: > + - description: I2C registers > + - description: I2C DMA registers > + - description: I2C DMA power registers > + > + reg-names: > + items: > + - const: i2cm > + - const: i2cmdma > + - const: i2cdmapower > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + resets: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - reg-names > + - interrupts > + - clocks > + - resets > + - pinctrl-names > + - pinctrl-0 > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/sp-sp7021.h> > + #include <dt-bindings/reset/sp-sp7021.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + i2c@9C004600 { > + compatible = "sunplus,sp7021-i2cm"; > + reg = <0x9c004600 0x80>, <0x9c004680 0x80>, <0x9c000000 0x80>; > + reg-names = "i2cm", "i2cmdma", "i2cdmapower"; > + interrupt-parent = <&intc>; > + interrupts = <174 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clkc I2CM0>; > + resets = <&rstc RST_I2CM0>; > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&i2cm0_pins>; > + }; > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index a06993b..2b8fa55 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -18246,6 +18246,7 @@ SUNPLUS I2C CONTROLLER INTERFACE DRIVER > M: Li-hao Kuo <lhjeff911@xxxxxxxxx> > L: linux-i2c@xxxxxxxxxxxxxxx > S: Maintained > +F: Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml > F: drivers/i2c/busses/i2c-sunplus.c > > SUPERH > -- > 2.7.4 > >
