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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id v3sm254197ote.39.2020.04.20.15.16.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Apr 2020 15:16:04 -0700 (PDT) Received: (nullmailer pid 28057 invoked by uid 1000); Mon, 20 Apr 2020 22:16:03 -0000 Date: Mon, 20 Apr 2020 17:16:03 -0500 From: Rob Herring To: Alexandre Belloni Subject: Re: [PATCH v2 1/9] dt-bindings: atmel-tcb: convert bindings to json-schema Message-ID: <20200420221603.GA10035@bogus> References: <20200415094826.132562-1-alexandre.belloni@bootlin.com> <20200415094826.132562-2-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200415094826.132562-2-alexandre.belloni@bootlin.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200420_151606_177439_D5AB016B X-CRM114-Status: GOOD ( 19.45 ) 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: kamel.bouhara@bootlin.com, devicetree@vger.kernel.org, Sebastian Andrzej Siewior , Daniel Lezcano , linux-kernel@vger.kernel.org, Thomas Gleixner , 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 On Wed, Apr 15, 2020 at 11:48:18AM +0200, Alexandre Belloni wrote: > Convert Atmel Timer Counter Blocks bindings to DT schema format using > json-schema. > > Also move it out of mfd as it is not and has never been related to mfd. > > Signed-off-by: Alexandre Belloni > --- > Cc: Rob Herring > > Changes in v2: > - Rebased on v5.7-rc1 > - Moved the binding documentation to its proper place > - Added back the atmel,tcb-timer child node documentation > > .../devicetree/bindings/mfd/atmel-tcb.txt | 56 ------------ > .../soc/microchip/atmel,at91rm9200-tcb.yaml | 89 +++++++++++++++++++ > .../bindings/timer/atmel,tcb-timer.yaml | 51 +++++++++++ > 3 files changed, 140 insertions(+), 56 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/mfd/atmel-tcb.txt > create mode 100644 Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml > create mode 100644 Documentation/devicetree/bindings/timer/atmel,tcb-timer.yaml > diff --git a/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml > new file mode 100644 > index 000000000000..2522fb1f4ce4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/microchip/atmel,at91rm9200-tcb.yaml > @@ -0,0 +1,89 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/soc/microchip/atmel,at91rm9200-tcb.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Atmel Timer Counter Block > + > +maintainers: > + - Alexandre Belloni > + > +description: | > + The Atmel (now Microchip) SoCs have timers named Timer Counter Block. Each > + timer has three channels with two counters each. > + > +properties: > + compatible: > + items: > + - enum: > + - atmel,at91rm9200-tcb > + - atmel,at91sam9x5-tcb > + - const: simple-mfd > + - const: syscon > + > + reg: > + maxItems: 1 > + > + interrupts: > + description: > + List of interrupts. One interrupt per TCB channel if available or one > + interrupt for the TC block > + minItems: 1 > + maxItems: 3 > + > + clock-names: > + description: > + List of clock names. Always includes t0_clk and slow clk. Also includes > + t1_clk and t2_clk if a clock per channel is available. This description can be expressed as: allOf: - contains: const: t0_clk - contains: const: slow_clk However, if there's only 2 combinations to support with either 2 clocks or 4 clocks, then a 'oneOf' listing the 2 exact items lists would be better. > + minItems: 2 > + maxItems: 4 > + items: > + enum: > + - t0_clk > + - t1_clk > + - t2_clk > + - slow_clk > + > + clocks: > + minItems: 2 > + maxItems: 4 > + > + '#address-cells': > + const: 1 > + > + '#size-cells': > + const: 0 > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + - '#address-cells' > + - '#size-cells' additionalProperties: false > + > +examples: > + - | > + /* One interrupt per TC block: */ > + tcb0: timer@fff7c000 { > + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; A simple-mfd without child nodes? > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0xfff7c000 0x100>; > + interrupts = <18 4>; > + clocks = <&tcb0_clk>, <&clk32k>; > + clock-names = "t0_clk", "slow_clk"; > + }; > + > + /* One interrupt per TC channel in a TC block: */ > + tcb1: timer@fffdc000 { > + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0xfffdc000 0x100>; > + interrupts = <26 4>, <27 4>, <28 4>; > + clocks = <&tcb1_clk>, <&clk32k>; > + clock-names = "t0_clk", "slow_clk"; > + }; > diff --git a/Documentation/devicetree/bindings/timer/atmel,tcb-timer.yaml b/Documentation/devicetree/bindings/timer/atmel,tcb-timer.yaml > new file mode 100644 > index 000000000000..a6173ceab6be > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/atmel,tcb-timer.yaml > @@ -0,0 +1,51 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/timer/atmel,tcb-timer.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Atmel Timer Counter Block timer channel > + > +maintainers: > + - Alexandre Belloni > + > +description: | > + The Atmel (now Microchip) Timer Counter Block have multiple channels that can > + be used as timers. > + > +properties: > + compatible: > + const: atmel,tcb-timer > + reg: > + description: > + List of channels to use for this particular timer. > + minItems: 1 > + maxItems: 3 > + > +required: > + - compatible > + - reg > + > +additionalProperties: false This should just be merged into the 1st schema with this being defined as child nodes. > + > +examples: > + - | > + timer@fff7c000 { > + compatible = "atmel,at91rm9200-tcb", "simple-mfd", "syscon"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0xfff7c000 0x100>; > + interrupts = <18 4>; > + clocks = <&tcb0_clk>, <&clk32k>; > + clock-names = "t0_clk", "slow_clk"; > + > + timer@0 { > + compatible = "atmel,tcb-timer"; > + reg = <0>, <1>; > + }; > + > + timer@2 { > + compatible = "atmel,tcb-timer"; > + reg = <2>; > + }; > + }; > -- > 2.25.2 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel