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SubjectRe: [PATCH v3 2/2] devicetree bindings I2C Add bindings doc for Sunplus SP7021
On Mon, Jan 03, 2022 at 01:49:23PM +0800, Li-hao Kuo wrote:
> Add devicetree bindings I2C Add bindings doc for Sunplus SP7021
>
> Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
> ---
> 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@gmail.com>
> +
> +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";

Indentation is messed up. Use spaces.

> + 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@gmail.com>
> L: linux-i2c@vger.kernel.org
> S: Maintained
> +F: Documentation/devicetree/bindings/i2c/i2c-sunplus.yaml
> F: drivers/i2c/busses/i2c-sunplus.c
>
> SUPERH
> --
> 2.7.4
>
>

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