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Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIZoh-0003gm-3f; Wed, 16 Sep 2020 15:57:55 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kIZob-0003eL-Ey; Wed, 16 Sep 2020 15:57:50 +0000 Received: from kozik-lap.mshome.net (unknown [194.230.155.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A5BFB22460; Wed, 16 Sep 2020 15:57:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600271868; bh=IpUA1YpWh0wI7RetTzNFsnK0XI+RNJOmSBKVyk8TOyk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dnjarl1Mkj44TfaBpH+SbO0/ZBka4oqzYlABRKXYK9QwKLlXitkLzN/kNScYQADa0 apoFByFfMbG45blXE6lsQSK4wVLTnCZIshKu0+FBiLJ+QUxVm6T6YknUyzMMjvv/H6 +pXt3lzsHjj0WYmmx2l34T8wzleiUSvPuHxVImXY= From: Krzysztof Kozlowski To: Linus Walleij , Bartosz Golaszewski , Rob Herring , =?utf-8?q?Beno=C3=AEt_Cousson?= , Tony Lindgren , Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Russell King , Joel Stanley , Andrew Jeffery , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Matthias Brugger , Geert Uytterhoeven , Magnus Damm , Tero Kristo , Nishanth Menon , Michal Simek , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v3 02/15] dt-bindings: gpio: convert bindings for Maxim MAX732x family to dtschema Date: Wed, 16 Sep 2020 17:57:02 +0200 Message-Id: <20200916155715.21009-3-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200916155715.21009-1-krzk@kernel.org> References: <20200916155715.21009-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200916_115749_661347_CE550566 X-CRM114-Status: GOOD ( 21.54 ) X-Spam-Score: -4.6 (----) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-4.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- 3.6 RCVD_IN_SBL_CSS RBL: Received via a relay in Spamhaus SBL-CSS [194.230.155.191 listed in zen.spamhaus.org] -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -3.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org Convert the Maxim MAX732x family of GPIO expanders bindings to device tree schema by merging it with existing PCA95xx schema. These are quite similar so merging reduces duplication. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- Changes since v2: 1. Add Rob's review tag 2. Use reset-gpios/vcc-supply: false instead of maxItems 0 3. Use /* for comments in example DTS --- .../devicetree/bindings/gpio/gpio-max732x.txt | 58 --------------- .../bindings/gpio/gpio-pca95xx.yaml | 70 ++++++++++++++++++- 2 files changed, 68 insertions(+), 60 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-max732x.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-max732x.txt b/Documentation/devicetree/bindings/gpio/gpio-max732x.txt deleted file mode 100644 index b3a9c0c32823..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-max732x.txt +++ /dev/null @@ -1,58 +0,0 @@ -* MAX732x-compatible I/O expanders - -Required properties: - - compatible: Should be one of the following: - - "maxim,max7319": For the Maxim MAX7319 - - "maxim,max7320": For the Maxim MAX7320 - - "maxim,max7321": For the Maxim MAX7321 - - "maxim,max7322": For the Maxim MAX7322 - - "maxim,max7323": For the Maxim MAX7323 - - "maxim,max7324": For the Maxim MAX7324 - - "maxim,max7325": For the Maxim MAX7325 - - "maxim,max7326": For the Maxim MAX7326 - - "maxim,max7327": For the Maxim MAX7327 - - reg: I2C slave address for this device. - - gpio-controller: Marks the device node as a GPIO controller. - - #gpio-cells: Should be 2. - - first cell is the GPIO number - - second cell specifies GPIO flags, as defined in . - Only the GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. - -Optional properties: - - The I/O expander can detect input state changes, and thus optionally act as - an interrupt controller. When the expander interrupt line is connected all the - following properties must be set. For more information please see the - interrupt controller device tree bindings documentation available at - Documentation/devicetree/bindings/interrupt-controller/interrupts.txt. - - - interrupt-controller: Identifies the node as an interrupt controller. - - #interrupt-cells: Number of cells to encode an interrupt source, shall be 2. - - first cell is the pin number - - second cell is used to specify flags - - interrupts: Interrupt specifier for the controllers interrupt. - -Please refer to gpio.txt in this directory for details of the common GPIO -bindings used by client devices. - -Example 1. MAX7325 with interrupt support enabled (CONFIG_GPIO_MAX732X_IRQ=y): - - expander: max7325@6d { - compatible = "maxim,max7325"; - reg = <0x6d>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupt-parent = <&gpio4>; - interrupts = <29 IRQ_TYPE_EDGE_FALLING>; - }; - -Example 2. MAX7325 with interrupt support disabled (CONFIG_GPIO_MAX732X_IRQ=n): - - expander: max7325@6d { - compatible = "maxim,max7325"; - reg = <0x6d>; - gpio-controller; - #gpio-cells = <2>; - }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml index 7ff6efadf797..183ec23eda39 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml +++ b/Documentation/devicetree/bindings/gpio/gpio-pca95xx.yaml @@ -9,6 +9,10 @@ title: NXP PCA95xx I2C GPIO multiplexer maintainers: - Krzysztof Kozlowski +description: |+ + Bindings for the family of I2C GPIO multiplexers/expanders: NXP PCA95xx, + Maxim MAX73xx + properties: compatible: enum: @@ -17,6 +21,15 @@ properties: - maxim,max7312 - maxim,max7313 - maxim,max7315 + - maxim,max7319 + - maxim,max7320 + - maxim,max7321 + - maxim,max7322 + - maxim,max7323 + - maxim,max7324 + - maxim,max7325 + - maxim,max7326 + - maxim,max7327 - nxp,pca6416 - nxp,pca9505 - nxp,pca9534 @@ -69,11 +82,11 @@ properties: reset-gpios: description: GPIO specification for the RESET input. This is an active low signal to - the PCA953x. + the PCA953x. Not valid for Maxim MAX732x devices. vcc-supply: description: - Optional power supply + Optional power supply. Not valid for Maxim MAX732x devices. wakeup-source: $ref: /schemas/types.yaml#/definitions/flag @@ -103,6 +116,25 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + enum: + - maxim,max7320 + - maxim,max7321 + - maxim,max7322 + - maxim,max7323 + - maxim,max7324 + - maxim,max7325 + - maxim,max7326 + - maxim,max7327 + then: + properties: + reset-gpios: false + vcc-supply: false + examples: - | #include @@ -164,3 +196,37 @@ examples: ti,micbias = <0>; /* 2.1V */ }; }; + + - | + #include + + i2c2 { + #address-cells = <1>; + #size-cells = <0>; + + /* MAX7325 with interrupt support enabled */ + gpio@6d { + compatible = "maxim,max7325"; + reg = <0x6d>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupt-parent = <&gpio4>; + interrupts = <29 IRQ_TYPE_EDGE_FALLING>; + }; + }; + + - | + i2c3 { + #address-cells = <1>; + #size-cells = <0>; + + /* MAX7325 with interrupt support disabled */ + gpio@6e { + compatible = "maxim,max7325"; + reg = <0x6e>; + gpio-controller; + #gpio-cells = <2>; + }; + };