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Thu, 17 Oct 2019 16:10:58 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.20]) by smtp (Postfix) with ESMTP id 1BC8D13EEB6; Thu, 17 Oct 2019 16:11:02 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 08B05280059; Thu, 17 Oct 2019 16:10:58 +1300 (NZDT) From: Chris Packham To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, robh+dt@kernel.org, mark.rutland@arm.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com Subject: [PATCH v2 1/2] dt-bindings: gpio: brcm: Add bindings for xgs-iproc Date: Thu, 17 Oct 2019 16:10:50 +1300 Message-Id: <20191017031051.20366-2-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191017031051.20366-1-chris.packham@alliedtelesis.co.nz> References: <20191017031051.20366-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 x-atlnz-ls: pat X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191016_201111_289365_DAF941E5 X-CRM114-Status: GOOD ( 11.66 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -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_SIGNED Message has a DKIM or DK signature, not necessarily valid 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: linux-gpio@vger.kernel.org, Chris Packham , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This GPIO controller is present on a number of Broadcom switch ASICs with integrated SoCs. It is similar to the nsp-gpio and iproc-gpio blocks but different enough to require a separate driver. Signed-off-by: Chris Packham --- Notes: Changes in v2: - Document as DT schema - Include ngpios, #gpio-cells and gpio-controller properties .../bindings/gpio/brcm,xgs-iproc.yaml | 83 +++++++++++++++++++ 1 file changed, 83 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml diff --git a/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml new file mode 100644 index 000000000000..71998551209e --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom XGS iProc GPIO controller + +maintainers: + - Chris Packham + +description: | + This controller is the Chip Common A GPIO present on a number of Broadcom + switch ASICs with integrated SoCs. + +properties: + compatible: + enum: + - brcm,iproc-gpio-cca + + reg: + minItems: 2 + maxItems: 2 + description: + The first region defines the base I/O address containing + the GPIO controller registers. The second region defines + the I/O address containing the Chip Common A interrupt + registers. + + gpio-controller: true + + '#gpio-cells': + const: 2 + + ngpios: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 32 + + interrupt-controller: + type: boolean + + '#interrupt-cells': + const: 2 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + +allOf: + - if: + properties: + interrupt-controller: + contains: + const: true + then: + required: + - interrupts + - '#interrupt-cells' + +examples: + - | + #include + #include + gpio@18000060 { + compatible = "brcm,iproc-gpio-cca"; + #gpio-cells = <2>; + reg = <0x18000060 0x50>, + <0x18000000 0x50>; + ngpios = <12>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + + +...