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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id w2sm3983520eju.71.2021.04.11.06.10.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 11 Apr 2021 06:10:13 -0700 (PDT) From: Johan Jonker To: heiko@sntech.de Cc: robh+dt@kernel.org, thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de, lee.jones@linaro.org, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/6] dt-bindings: pwm: convert pwm-rockchip.txt to YAML Date: Sun, 11 Apr 2021 15:10:02 +0200 Message-Id: <20210411131007.21757-1-jbx6244@gmail.com> X-Mailer: git-send-email 2.11.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Current dts files with 'pwm' nodes are manually verified. In order to automate this process pwm-rockchip.txt has to be converted to yaml. Signed-off-by: Johan Jonker Reviewed-by: Rob Herring --- Changed V2: changed schema for clocks and clock-names --- .../devicetree/bindings/pwm/pwm-rockchip.txt | 27 ------- .../devicetree/bindings/pwm/pwm-rockchip.yaml | 91 ++++++++++++++++++++++ 2 files changed, 91 insertions(+), 27 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-rockchip.txt create mode 100644 Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml diff --git a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt deleted file mode 100644 index f70956dea..000000000 --- a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt +++ /dev/null @@ -1,27 +0,0 @@ -Rockchip PWM controller - -Required properties: - - compatible: should be "rockchip,-pwm" - "rockchip,rk2928-pwm": found on RK29XX,RK3066 and RK3188 SoCs - "rockchip,rk3288-pwm": found on RK3288 SOC - "rockchip,rv1108-pwm", "rockchip,rk3288-pwm": found on RV1108 SoC - "rockchip,vop-pwm": found integrated in VOP on RK3288 SoC - - reg: physical base address and length of the controller's registers - - clocks: See ../clock/clock-bindings.txt - - For older hardware (rk2928, rk3066, rk3188, rk3228, rk3288, rk3399): - - There is one clock that's used both to derive the functional clock - for the device and as the bus clock. - - For newer hardware (rk3328 and future socs): specified by name - - "pwm": This is used to derive the functional clock. - - "pclk": This is the APB bus clock. - - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.yaml in this directory - for a description of the cell format. - -Example: - - pwm0: pwm@20030000 { - compatible = "rockchip,rk2928-pwm"; - reg = <0x20030000 0x10>; - clocks = <&cru PCLK_PWM01>; - #pwm-cells = <2>; - }; diff --git a/Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml b/Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml new file mode 100644 index 000000000..142ce85ce --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm-rockchip.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip PWM controller + +maintainers: + - Heiko Stuebner + +properties: + compatible: + oneOf: + - const: rockchip,rk2928-pwm + - const: rockchip,rk3288-pwm + - const: rockchip,vop-pwm + - items: + - const: rockchip,rk3036-pwm + - const: rockchip,rk2928-pwm + - items: + - enum: + - rockchip,rv1108-pwm + - const: rockchip,rk3288-pwm + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + maxItems: 2 + + "#pwm-cells": + enum: [2, 3] + description: + Must be 2 (rk2928) or 3 (rk3288 and later). + See pwm.yaml for a description of the cell format. + +required: + - compatible + - reg + - "#pwm-cells" + +if: + properties: + compatible: + contains: + enum: + - rockchip,rv1108-pwm + +then: + properties: + clocks: + items: + - description: Used to derive the functional clock for the device. + - description: Used as the APB bus clock. + + clock-names: + items: + - const: pwm + - const: pclk + + required: + - clocks + - clock-names + +else: + properties: + clocks: + maxItems: 1 + description: + Used both to derive the functional clock + for the device and as the bus clock. + + required: + - clocks + +additionalProperties: false + +examples: + - | + #include + pwm0: pwm@20030000 { + compatible = "rockchip,rk2928-pwm"; + reg = <0x20030000 0x10>; + clocks = <&cru PCLK_PWM01>; + #pwm-cells = <2>; + };