From patchwork Mon Mar 2 02:47:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yifeng Zhao X-Patchwork-Id: 11414629 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E07B6930 for ; Mon, 2 Mar 2020 02:48:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9D9A52468D for ; Mon, 2 Mar 2020 02:48:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="A3Rms5Jh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D9A52468D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; 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Mon, 02 Mar 2020 02:48:53 +0000 Received: from lucky1.263xmail.com ([211.157.147.133]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j8b7v-0004qD-Po; Mon, 02 Mar 2020 02:48:18 +0000 Received: from localhost (unknown [192.168.167.209]) by lucky1.263xmail.com (Postfix) with ESMTP id 5D1D29B137; Mon, 2 Mar 2020 10:48:08 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from ubuntu18.lan (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P32633T140274292483840S1583117267237852_; Mon, 02 Mar 2020 10:48:08 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <2e79428c8327b40062cea1105c2aeb45> X-RL-SENDER: yifeng.zhao@rock-chips.com X-SENDER: zyf@rock-chips.com X-LOGIN-NAME: yifeng.zhao@rock-chips.com X-FST-TO: miquel.raynal@bootlin.com X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 X-System-Flag: 0 From: Yifeng Zhao To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, robh+dt@kernel.org Subject: [PATCH 2/3] mtd: rockchip: device tree bindings for Rockchip Date: Mon, 2 Mar 2020 10:47:43 +0800 Message-Id: <20200302024744.28185-3-yifeng.zhao@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200302024744.28185-1-yifeng.zhao@rock-chips.com> References: <20200302024744.28185-1-yifeng.zhao@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200301_184816_129725_692A6FB8 X-CRM114-Status: GOOD ( 11.32 ) X-Spam-Score: 1.5 (+) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (1.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- 1.5 RCVD_IN_SORBS_WEB RBL: SORBS: sender is an abusable web server [58.22.7.114 listed in dnsbl.sorbs.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [211.157.147.133 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 T_SPF_PERMERROR SPF: test of record failed (permerror) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Yifeng Zhao , linux-mtd@lists.infradead.org, heiko@sntech.de, linux-rockchip@lists.infradead.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org Documentation support for Rockchip NAND controllers Signed-off-by: Yifeng Zhao --- Changes in v2: None .../bindings/mtd/rockchip,nand.yaml | 95 +++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand.yaml diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand.yaml new file mode 100644 index 000000000000..9a81f682ac01 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/rockchip,nand.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/rockchip,nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip SoCs NAND FLASH Controller (NFC) Device Tree Bindings + +allOf: + - $ref: "nand-controller.yaml" + +maintainers: + - Yifeng Zhao + +properties: + "#address-cells": true + "#size-cells": true + + compatible: + const: rockchip,nfc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Module Clock + - description: Bus Clock + + clock-names: + items: + - const: clk_nfc + - const: clk_ahb + + clock-rates: + maximum: 150000000 + + pinctrl-names: true + +patternProperties: + "^pinctrl-[0-9]+$": true + + "^nand@[a-f0-9]$": + type: object + properties: + reg: + minimum: 0 + maximum: 3 + + nand-ecc-step-size: + const: 1024 + + nand-ecc-strength: + enum: [16, 24 , 40, 60, 70] + + nand-bus-width: + const: 8 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include + #include + nfc: nand-controller@ff4b0000 { + compatible = "rockchip,nfc"; + reg = <0x0 0xff4b0000 0x0 0x4000>; + interrupts = ; + clocks = <&cru SCLK_NANDC>, <&cru HCLK_NANDC>; + clock-names = "clk_nfc", "clk_ahb"; + clock-rates = <150000000>; + pinctrl-names = "default"; + pinctrl-0 = <&flash_csn0 &flash_rdy &flash_ale &flash_cle + &flash_wrn &flash_rdn &flash_bus8>; + + #address-cells = <1>; + #size-cells = <0>; + nand@0 { + reg = <0>; + nand-ecc-mode = "hw"; + nand-ecc-strength = <16>; + nand-ecc-step-size = <1024>; + nand-bus-width = <8>; + }; + }; + +...