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Thu, 19 Dec 2019 04:07:16 -0500 (EST) From: Maxime Ripard To: p.zabel@pengutronix.de, Mike Turquette , Stephen Boyd , lee.jones@linaro.org, Mark Rutland , Rob Herring , Frank Rowand Subject: [PATCH 2/3] dt-bindings: mfd: Convert Allwinner legacy PRCM bindings to schemas Date: Thu, 19 Dec 2019 10:07:11 +0100 Message-Id: <20191219090712.947490-2-maxime@cerno.tech> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191219090712.947490-1-maxime@cerno.tech> References: <20191219090712.947490-1-maxime@cerno.tech> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191219_010719_312134_AA289170 X-CRM114-Status: GOOD ( 14.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , Maxime Ripard , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Allwinner SoCs have a legacy set of bindings (and a drivers to support it in Linux) to support the PRCM unit found in most recent SoCs. Now that we have the DT validation in place, let's split into separate file and convert the device tree bindings for those controllers to schemas, and mark them all as deprecated. Signed-off-by: Maxime Ripard --- .../mfd/allwinner,sun6i-a31-prcm.yaml | 219 ++++++++++++++++++ .../mfd/allwinner,sun8i-a23-prcm.yaml | 200 ++++++++++++++++ .../devicetree/bindings/mfd/sun6i-prcm.txt | 59 ----- 3 files changed, 419 insertions(+), 59 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/allwinner,sun6i-a31-prcm.yaml create mode 100644 Documentation/devicetree/bindings/mfd/allwinner,sun8i-a23-prcm.yaml delete mode 100644 Documentation/devicetree/bindings/mfd/sun6i-prcm.txt diff --git a/Documentation/devicetree/bindings/mfd/allwinner,sun6i-a31-prcm.yaml b/Documentation/devicetree/bindings/mfd/allwinner,sun6i-a31-prcm.yaml new file mode 100644 index 000000000000..d131759ccaf3 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/allwinner,sun6i-a31-prcm.yaml @@ -0,0 +1,219 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/allwinner,sun6i-a31-prcm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A31 PRCM Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +deprecated: true + +properties: + compatible: + const: allwinner,sun6i-a31-prcm + + reg: + maxItems: 1 + +patternProperties: + "^.*_(clk|rst)$": + type: object + + properties: + compatible: + enum: + - allwinner,sun4i-a10-mod0-clk + - allwinner,sun6i-a31-apb0-clk + - allwinner,sun6i-a31-apb0-gates-clk + - allwinner,sun6i-a31-ar100-clk + - allwinner,sun6i-a31-clock-reset + - fixed-factor-clock + + allOf: + - if: + properties: + compatible: + contains: + const: allwinner,sun6i-a31-apb0-clk + + then: + properties: + "#clock-cells": + const: 0 + + # Already checked in the main schema + compatible: true + + clocks: + maxItems: 1 + + clock-output-names: + maxItems: 1 + + phandle: true + + required: + - "#clock-cells" + - compatible + - clocks + - clock-output-names + + additionalProperties: false + + - if: + properties: + compatible: + contains: + const: allwinner,sun6i-a31-apb0-gates-clk + + then: + properties: + "#clock-cells": + const: 1 + description: > + This additional argument passed to that clock is the + offset of the bit controlling this particular gate in + the register. + + # Already checked in the main schema + compatible: true + + clocks: + maxItems: 1 + + clock-output-names: + minItems: 1 + maxItems: 32 + + phandle: true + + required: + - "#clock-cells" + - compatible + - clocks + - clock-output-names + + additionalProperties: false + + - if: + properties: + compatible: + contains: + const: allwinner,sun6i-a31-ar100-clk + + then: + properties: + "#clock-cells": + const: 0 + + # Already checked in the main schema + compatible: true + + clocks: + maxItems: 4 + description: > + The parent order must match the hardware programming + order. + + clock-output-names: + maxItems: 1 + + phandle: true + + required: + - "#clock-cells" + - compatible + - clocks + - clock-output-names + + additionalProperties: false + + - if: + properties: + compatible: + contains: + const: allwinner,sun6i-a31-clock-reset + + then: + properties: + "#reset-cells": + const: 1 + + # Already checked in the main schema + compatible: true + + phandle: true + + required: + - "#reset-cells" + - compatible + + additionalProperties: false + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + + prcm@1f01400 { + compatible = "allwinner,sun6i-a31-prcm"; + reg = <0x01f01400 0x200>; + + ar100: ar100_clk { + compatible = "allwinner,sun6i-a31-ar100-clk"; + #clock-cells = <0>; + clocks = <&rtc 0>, <&osc24M>, + <&ccu CLK_PLL_PERIPH>, + <&ccu CLK_PLL_PERIPH>; + clock-output-names = "ar100"; + }; + + ahb0: ahb0_clk { + compatible = "fixed-factor-clock"; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clocks = <&ar100>; + clock-output-names = "ahb0"; + }; + + apb0: apb0_clk { + compatible = "allwinner,sun6i-a31-apb0-clk"; + #clock-cells = <0>; + clocks = <&ahb0>; + clock-output-names = "apb0"; + }; + + apb0_gates: apb0_gates_clk { + compatible = "allwinner,sun6i-a31-apb0-gates-clk"; + #clock-cells = <1>; + clocks = <&apb0>; + clock-output-names = "apb0_pio", "apb0_ir", + "apb0_timer", "apb0_p2wi", + "apb0_uart", "apb0_1wire", + "apb0_i2c"; + }; + + ir_clk: ir_clk { + #clock-cells = <0>; + compatible = "allwinner,sun4i-a10-mod0-clk"; + clocks = <&rtc 0>, <&osc24M>; + clock-output-names = "ir"; + }; + + apb0_rst: apb0_rst { + compatible = "allwinner,sun6i-a31-clock-reset"; + #reset-cells = <1>; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/mfd/allwinner,sun8i-a23-prcm.yaml b/Documentation/devicetree/bindings/mfd/allwinner,sun8i-a23-prcm.yaml new file mode 100644 index 000000000000..aa5e683b236c --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/allwinner,sun8i-a23-prcm.yaml @@ -0,0 +1,200 @@ +# SPDX-License-Identifier: GPL-2.0+ +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/allwinner,sun8i-a23-prcm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A23 PRCM Device Tree Bindings + +maintainers: + - Chen-Yu Tsai + - Maxime Ripard + +deprecated: true + +properties: + compatible: + const: allwinner,sun8i-a23-prcm + + reg: + maxItems: 1 + +patternProperties: + "^.*(clk|rst|codec).*$": + type: object + + properties: + compatible: + enum: + - fixed-factor-clock + - allwinner,sun8i-a23-apb0-clk + - allwinner,sun8i-a23-apb0-gates-clk + - allwinner,sun6i-a31-clock-reset + - allwinner,sun8i-a23-codec-analog + + required: + - compatible + + allOf: + - if: + properties: + compatible: + contains: + const: allwinner,sun8i-a23-apb0-clk + + then: + properties: + "#clock-cells": + const: 0 + + # Already checked in the main schema + compatible: true + + clocks: + maxItems: 1 + + clock-output-names: + maxItems: 1 + + phandle: true + + required: + - "#clock-cells" + - compatible + - clocks + - clock-output-names + + additionalProperties: false + + - if: + properties: + compatible: + contains: + const: allwinner,sun8i-a23-apb0-gates-clk + + then: + properties: + "#clock-cells": + const: 1 + description: > + This additional argument passed to that clock is the + offset of the bit controlling this particular gate in + the register. + + # Already checked in the main schema + compatible: true + + clocks: + maxItems: 1 + + clock-output-names: + minItems: 1 + maxItems: 32 + + phandle: true + + required: + - "#clock-cells" + - compatible + - clocks + - clock-output-names + + additionalProperties: false + + - if: + properties: + compatible: + contains: + const: allwinner,sun6i-a31-clock-reset + + then: + properties: + "#reset-cells": + const: 1 + + # Already checked in the main schema + compatible: true + + phandle: true + + required: + - "#reset-cells" + - compatible + + additionalProperties: false + + - if: + properties: + compatible: + contains: + const: allwinner,sun8i-a23-codec-analog + + then: + properties: + # Already checked in the main schema + compatible: true + + phandle: true + + required: + - compatible + + additionalProperties: false + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + prcm@1f01400 { + compatible = "allwinner,sun8i-a23-prcm"; + reg = <0x01f01400 0x200>; + + ar100: ar100_clk { + compatible = "fixed-factor-clock"; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clocks = <&osc24M>; + clock-output-names = "ar100"; + }; + + ahb0: ahb0_clk { + compatible = "fixed-factor-clock"; + #clock-cells = <0>; + clock-div = <1>; + clock-mult = <1>; + clocks = <&ar100>; + clock-output-names = "ahb0"; + }; + + apb0: apb0_clk { + compatible = "allwinner,sun8i-a23-apb0-clk"; + #clock-cells = <0>; + clocks = <&ahb0>; + clock-output-names = "apb0"; + }; + + apb0_gates: apb0_gates_clk { + compatible = "allwinner,sun8i-a23-apb0-gates-clk"; + #clock-cells = <1>; + clocks = <&apb0>; + clock-output-names = "apb0_pio", "apb0_timer", + "apb0_rsb", "apb0_uart", + "apb0_i2c"; + }; + + apb0_rst: apb0_rst { + compatible = "allwinner,sun6i-a31-clock-reset"; + #reset-cells = <1>; + }; + + codec_analog: codec-analog { + compatible = "allwinner,sun8i-a23-codec-analog"; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt b/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt deleted file mode 100644 index daa091c2e67b..000000000000 --- a/Documentation/devicetree/bindings/mfd/sun6i-prcm.txt +++ /dev/null @@ -1,59 +0,0 @@ -* Allwinner PRCM (Power/Reset/Clock Management) Multi-Functional Device - -PRCM is an MFD device exposing several Power Management related devices -(like clks and reset controllers). - -Required properties: - - compatible: "allwinner,sun6i-a31-prcm" or "allwinner,sun8i-a23-prcm" - - reg: The PRCM registers range - -The prcm node may contain several subdevices definitions: - - see Documentation/devicetree/bindings/clock/sunxi.txt for clock devices - - see Documentation/devicetree/bindings/reset/allwinner,sunxi-clock-reset.txt for reset - controller devices - - -Example: - - prcm: prcm@1f01400 { - compatible = "allwinner,sun6i-a31-prcm"; - reg = <0x01f01400 0x200>; - - /* Put subdevices here */ - ar100: ar100_clk { - compatible = "allwinner,sun6i-a31-ar100-clk"; - #clock-cells = <0>; - clocks = <&osc32k>, <&osc24M>, <&pll6>, <&pll6>; - }; - - ahb0: ahb0_clk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <1>; - clock-mult = <1>; - clocks = <&ar100_div>; - clock-output-names = "ahb0"; - }; - - apb0: apb0_clk { - compatible = "allwinner,sun6i-a31-apb0-clk"; - #clock-cells = <0>; - clocks = <&ahb0>; - clock-output-names = "apb0"; - }; - - apb0_gates: apb0_gates_clk { - compatible = "allwinner,sun6i-a31-apb0-gates-clk"; - #clock-cells = <1>; - clocks = <&apb0>; - clock-output-names = "apb0_pio", "apb0_ir", - "apb0_timer01", "apb0_p2wi", - "apb0_uart", "apb0_1wire", - "apb0_i2c"; - }; - - apb0_rst: apb0_rst { - compatible = "allwinner,sun6i-a31-clock-reset"; - #reset-cells = <1>; - }; - }; -- 2.23.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel