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Wed, 18 Sep 2019 06:17:45 -0700 (PDT) Received: from pi3 ([194.230.155.145]) by smtp.googlemail.com with ESMTPSA id 207sm4243477wme.17.2019.09.18.06.17.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Sep 2019 06:17:43 -0700 (PDT) Date: Wed, 18 Sep 2019 15:17:40 +0200 From: Krzysztof Kozlowski To: Rob Herring Subject: Re: [PATCH v2 07/11] dt-bindings: arm: samsung: Convert Exynos PMU bindings to json-schema Message-ID: <20190918131740.GA668@pi3> References: <20190907092007.9946-1-krzk@kernel.org> <20190907092007.9946-7-krzk@kernel.org> <20190918124306.GB318@bogus> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190918124306.GB318@bogus> User-Agent: Mutt/1.12.1 (2019-06-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190918_061751_954613_51E03EA7 X-CRM114-Status: GOOD ( 23.97 ) 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: Mark Rutland , Alessandro Zummo , Alexandre Belloni , Lars-Peter Clausen , devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-pm@vger.kernel.org, Sebastian Reichel , linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Kukjin Kim , linux-arm-kernel@lists.infradead.org, Peter Meerwald-Stadler , Hartmut Knaack , linux-rtc@vger.kernel.org, Jonathan Cameron , =?utf-8?B?UGF3ZcWC?= Chmiel 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 On Wed, Sep 18, 2019 at 07:43:06AM -0500, Rob Herring wrote: > On Sat, Sep 07, 2019 at 11:20:03AM +0200, Krzysztof Kozlowski wrote: > > Convert Samsung Exynos Power Management Unit (PMU) bindings to DT schema > > format using json-schema. > > > > Signed-off-by: Krzysztof Kozlowski > > > > --- > > > > Changes since v1: > > 1. Fix clock-names to match all elements against schema (any number of > > any clkoutN values). > > This currently fails: > > properties:clock-names:items: {'enum': ['clkout0', 'clkout1', 'clkout2', > > 'clkout3', 'clkout4', 'clkout5', 'clkout6', 'clkout7', 'clkout8', > > 'clkout9', 'clkout10', 'clkout11', 'clkout12', 'clkout13', 'clkout14', > > 'clkout15', 'clkout16']} is not of type 'array > > > > 2. Add syscon reboot and poweroff nodes. > > --- > > .../devicetree/bindings/arm/samsung/pmu.txt | 72 ----------- > > .../devicetree/bindings/arm/samsung/pmu.yaml | 117 ++++++++++++++++++ > > 2 files changed, 117 insertions(+), 72 deletions(-) > > delete mode 100644 Documentation/devicetree/bindings/arm/samsung/pmu.txt > > create mode 100644 Documentation/devicetree/bindings/arm/samsung/pmu.yaml > > > > diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt > > deleted file mode 100644 > > index 433bfd7593ac..000000000000 > > --- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt > > +++ /dev/null > > @@ -1,72 +0,0 @@ > > -SAMSUNG Exynos SoC series PMU Registers > > - > > -Properties: > > - - compatible : should contain two values. First value must be one from following list: > > - - "samsung,exynos3250-pmu" - for Exynos3250 SoC, > > - - "samsung,exynos4210-pmu" - for Exynos4210 SoC, > > - - "samsung,exynos4412-pmu" - for Exynos4412 SoC, > > - - "samsung,exynos5250-pmu" - for Exynos5250 SoC, > > - - "samsung,exynos5260-pmu" - for Exynos5260 SoC. > > - - "samsung,exynos5410-pmu" - for Exynos5410 SoC, > > - - "samsung,exynos5420-pmu" - for Exynos5420 SoC. > > - - "samsung,exynos5433-pmu" - for Exynos5433 SoC. > > - - "samsung,exynos7-pmu" - for Exynos7 SoC. > > - second value must be always "syscon". > > - > > - - reg : offset and length of the register set. > > - > > - - #clock-cells : must be <1>, since PMU requires once cell as clock specifier. > > - The single specifier cell is used as index to list of clocks > > - provided by PMU, which is currently: > > - 0 : SoC clock output (CLKOUT pin) > > - > > - - clock-names : list of clock names for particular CLKOUT mux inputs in > > - following format: > > - "clkoutN", where N is a decimal number corresponding to > > - CLKOUT mux control bits value for given input, e.g. > > - "clkout0", "clkout7", "clkout15". > > - > > - - clocks : list of phandles and specifiers to all input clocks listed in > > - clock-names property. > > - > > -Optional properties: > > - > > -Some PMUs are capable of behaving as an interrupt controller (mostly > > -to wake up a suspended PMU). In which case, they can have the > > -following properties: > > - > > -- interrupt-controller: indicate that said PMU is an interrupt controller > > - > > -- #interrupt-cells: must be identical to the that of the parent interrupt > > - controller. > > - > > - > > -Optional nodes: > > - > > -- nodes defining the restart and poweroff syscon children > > - > > - > > -Example : > > -pmu_system_controller: system-controller@10040000 { > > - compatible = "samsung,exynos5250-pmu", "syscon"; > > - reg = <0x10040000 0x5000>; > > - interrupt-controller; > > - #interrupt-cells = <3>; > > - interrupt-parent = <&gic>; > > - #clock-cells = <1>; > > - clock-names = "clkout0", "clkout1", "clkout2", "clkout3", > > - "clkout4", "clkout8", "clkout9"; > > - clocks = <&clock CLK_OUT_DMC>, <&clock CLK_OUT_TOP>, > > - <&clock CLK_OUT_LEFTBUS>, <&clock CLK_OUT_RIGHTBUS>, > > - <&clock CLK_OUT_CPU>, <&clock CLK_XXTI>, > > - <&clock CLK_XUSBXTI>; > > -}; > > - > > -Example of clock consumer : > > - > > -usb3503: usb3503@8 { > > - /* ... */ > > - clock-names = "refclk"; > > - clocks = <&pmu_system_controller 0>; > > - /* ... */ > > -}; > > diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.yaml b/Documentation/devicetree/bindings/arm/samsung/pmu.yaml > > new file mode 100644 > > index 000000000000..a5a02f8237fb > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.yaml > > @@ -0,0 +1,117 @@ > > +# SPDX-License-Identifier: GPL-2.0 > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/arm/samsung/pmu.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Samsung Exynos SoC series Power Management Unit (PMU) > > + > > +maintainers: > > + - Krzysztof Kozlowski > > + > > +properties: > > + compatible: > > + items: > > + - enum: > > + - samsung,exynos3250-pmu > > + - samsung,exynos4210-pmu > > + - samsung,exynos4412-pmu > > + - samsung,exynos5250-pmu > > + - samsung,exynos5260-pmu > > + - samsung,exynos5410-pmu > > + - samsung,exynos5420-pmu > > + - samsung,exynos5433-pmu > > + - samsung,exynos7-pmu > > + - const: syscon > > + > > + reg: > > + maxItems: 1 > > + > > + '#clock-cells': > > + const: 1 > > + > > + clock-names: > > + description: > > + List of clock names for particular CLKOUT mux inputs > > + minItems: 1 > > + maxItems: 32 > > + items: > > + enum: > > + - clkout0 > > + - clkout1 > > Looking at this again, instead of enum, we can just do: > > pattern: '^clkout([0-9]|[12][0-9]|3[0-1])$' Indeed looks better. Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel