On Wed, Aug 02, 2023 at 12:05:59AM +0200, Raphael Gallais-Pou wrote:
> Converts st,sti-pwm binding to DT schema format
>
> Signed-off-by: Raphael Gallais-Pou <rgallaispou@xxxxxxxxx>
> ---
> .../devicetree/bindings/pwm/pwm-st.txt | 43 -----------
> .../devicetree/bindings/pwm/st,sti-pwm.yaml | 74 +++++++++++++++++++
> 2 files changed, 74 insertions(+), 43 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-st.txt
> create mode 100644 Documentation/devicetree/bindings/pwm/st,sti-pwm.yaml
>
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-st.txt b/Documentation/devicetree/bindings/pwm/pwm-st.txt
> deleted file mode 100644
> index 19fce774cafa..000000000000
> --- a/Documentation/devicetree/bindings/pwm/pwm-st.txt
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -STMicroelectronics PWM driver bindings
> ---------------------------------------
> -
> -Required parameters:
> -- compatible : "st,pwm"
> -- #pwm-cells : Number of cells used to specify a PWM. First cell
> - specifies the per-chip index of the PWM to use and the
> - second cell is the period in nanoseconds - fixed to 2
> - for STiH41x.
> -- reg : Physical base address and length of the controller's
> - registers.
> -- pinctrl-names: Set to "default".
> -- pinctrl-0: List of phandles pointing to pin configuration nodes
> - for PWM module.
> - For Pinctrl properties, please refer to [1].
> -- clock-names: Valid entries are "pwm" and/or "capture".
> -- clocks: phandle of the clock used by the PWM module.
> - For Clk properties, please refer to [2].
> -- interrupts: IRQ for the Capture device
> -
> -Optional properties:
> -- st,pwm-num-chan: Number of available PWM channels. Default is 0.
> -- st,capture-num-chan: Number of available Capture channels. Default is 0.
> -
> -[1] Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> -[2] Documentation/devicetree/bindings/clock/clock-bindings.txt
> -
> -Example:
> -
> -pwm1: pwm@fe510000 {
> - compatible = "st,pwm";
> - reg = <0xfe510000 0x68>;
> - #pwm-cells = <2>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_pwm1_chan0_default
> - &pinctrl_pwm1_chan1_default
> - &pinctrl_pwm1_chan2_default
> - &pinctrl_pwm1_chan3_default>;
> - clocks = <&clk_sysin>;
> - clock-names = "pwm";
> - st,pwm-num-chan = <4>;
> - st,capture-num-chan = <2>;
> -};
> diff --git a/Documentation/devicetree/bindings/pwm/st,sti-pwm.yaml b/Documentation/devicetree/bindings/pwm/st,sti-pwm.yaml
> new file mode 100644
> index 000000000000..8a7833e9c10c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/st,sti-pwm.yaml
> @@ -0,0 +1,74 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/st,sti-pwm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STMicroelectronics STi PWM controller
> +
> +maintainers:
> + - Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
> +
> +allOf:
> + - $ref: pwm.yaml#
> +
> +properties:
> + compatible:
> + const: st,sti-pwm
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + pinctrl-names:
> + const: default
> +
> + pinctrl-0:
> + description: Configuration for the default state.
> +
> + clock-names:
> + const: pwm
> +
> + clocks:
> + $ref: "/schemas/types.yaml#/definitions/phandle"
Drop quotes
> +
> + st,pwm-num-chan:
> + $ref: "/schemas/types.yaml#/definitions/uint32"
> + description: Number of available PWM channels.
Constraints?
> +
> + st,capture-num-chan:
> + $ref: "/schemas/types.yaml#/definitions/uint32"
> + description: Number of available Capture channels.
Constraints?
> +
> + "#pwm-cells":
> + const: 2
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clock-names
> + - clocks
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + pwm1: pwm@9510000 {
> + compatible = "st,sti-pwm";
> + #pwm-cells = <2>;
> + reg = <0x9510000 0x68>;
> + interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm1_chan0_default
> + &pinctrl_pwm1_chan1_default
> + &pinctrl_pwm1_chan2_default
> + &pinctrl_pwm1_chan3_default>;
> + clock-names = "pwm";
> + clocks = <&clk_sysin>;
> + st,pwm-num-chan = <4>;
> + };
> +...
> --
> 2.41.0
>
