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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id 205sm1977304wmd.42.2020.01.24.08.30.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 Jan 2020 08:30:10 -0800 (PST) From: Johan Jonker To: miquel.raynal@bootlin.com Subject: [RFC PATCH v2 01/10] dt-bindings: mtd: add rockchip nand controller bindings Date: Fri, 24 Jan 2020 17:29:52 +0100 Message-Id: <20200124163001.28910-2-jbx6244@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20200124163001.28910-1-jbx6244@gmail.com> References: <20200124163001.28910-1-jbx6244@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200124_083013_922580_74DB038B X-CRM114-Status: GOOD ( 12.55 ) X-Spam-Score: 0.1 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:344 listed in] [list.dnswl.org] 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit [jbx6244[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [jbx6244[at]gmail.com] -0.0 SPF_PASS SPF: sender matches SPF record -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 -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 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@arm.com, devicetree@vger.kernel.org, vigneshr@ti.com, richard@nod.at, shawn.lin@rock-chips.com, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, linux-mtd@lists.infradead.org, yifeng.zhao@rock-chips.com, linux-arm-kernel@lists.infradead.org, heiko@sntech.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add the Rockchip NAND controller bindings. Signed-off-by: Johan Jonker --- .../bindings/mtd/rockchip,nand-controller.yaml | 92 ++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml new file mode 100644 index 000000000..5c725f972 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/rockchip,nand-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip NAND Controller Device Tree Bindings + +allOf: + - $ref: "nand-controller.yaml#" + +maintainers: + - Heiko Stuebner + +properties: + compatible: + enum: + - rockchip,px30-nand-controller + - rockchip,rk3066-nand-controller + - rockchip,rk3228-nand-controller + - rockchip,rk3288-nand-controller + - rockchip,rk3308-nand-controller + - rockchip,rk3368-nand-controller + - rockchip,rv1108-nand-controller + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + items: + - const: hclk_nandc + - const: clk_nandc + +patternProperties: + "^nand@[a-f0-9]+$": + type: object + properties: + reg: + minimum: 0 + maximum: 3 + + nand-is-boot-medium: true + + rockchip,idb-res-blk-num: + minimum: 2 + default: 16 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + For legacy devices where the bootrom can only handle 24 bit BCH/ECC. + If specified it indicates the number of erase blocks in use by + the bootloader that need a lower BCH/ECC setting. + Only used in combination with 'nand-is-boot-medium'. + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include + #include + #include + nandc: nand-controller@10500000 { + compatible = "rockchip,rk3066-nand-controller"; + reg = <0x10500000 0x4000>; + interrupts = ; + clocks = <&cru HCLK_NANDC0>; + clock-names = "hclk_nandc"; + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + nand-is-boot-medium; + }; + }; + +...