From patchwork Tue Jun 9 07:40:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yifeng Zhao X-Patchwork-Id: 11594753 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 5E02360D for ; Tue, 9 Jun 2020 07:41:37 +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 35A32207F9 for ; Tue, 9 Jun 2020 07:41:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UO5xVcGE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 35A32207F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=XPa0DwyqwRrLf8ECBTnjfScrSCnpOlhtUff4RDtDjPQ=; b=UO5xVcGEe8Zr35YRmX2XJkdrl8 SiW8eYhMCTSQZYUh3rKcP9cIykKkD1/nU4vMWoVzRIEv/su0OPy/AhJnfvsxmCzT6J4kMPM3oCbTS y+rvsJOdOm1NjxgpL0rWepkhbhlPVI2zsrD1eTxBSLoHLCQ5wIbFUMemxz9TrdGe6dfAADkCDGEME CGF/kVn19w7/mQxCDU4RKXo19qkJ2K47K14DRFFpAz/PAJSR6iLkzkwfyWuJ9gXDLDKAy9EOrz2Ss l9r1kv4DIkWX/wCoTdzv0vn/kWH1xinVdW9ThgH7ShwZtuSGM2l6gLZMeenzPVTdyfzDIvCKq3u3W sdZGo8Ow==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jiYt5-0003G0-IE; Tue, 09 Jun 2020 07:41:35 +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 1jiYsC-0002HD-5U; Tue, 09 Jun 2020 07:40:43 +0000 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id 0E980C3810; Tue, 9 Jun 2020 15:40:29 +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 P31250T139912844142336S1591688422511107_; Tue, 09 Jun 2020 15:40:29 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: 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 v6 1/8] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller Date: Tue, 9 Jun 2020 15:40:18 +0800 Message-Id: <20200609074020.23860-2-yifeng.zhao@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200609074020.23860-1-yifeng.zhao@rock-chips.com> References: <20200609074020.23860-1-yifeng.zhao@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200609_004040_554649_3D4E7E8D X-CRM114-Status: GOOD ( 13.92 ) X-Spam-Score: 1.5 (+) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (1.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -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] 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_MSPIKE_H2 RBL: Average reputation (+2) [211.157.147.133 listed in wl.mailspike.net] 0.0 T_SPF_PERMERROR SPF: test of record failed (permerror) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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: devicetree@vger.kernel.org, heiko@sntech.de, Yifeng Zhao , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Documentation support for Rockchip RK3xxx NAND flash controllers Signed-off-by: Yifeng Zhao --- Changes in v6: - Fix some wrong define - Modified the definition of compatible Changes in v5: - Fix some wrong define - Add boot-medium define - Remove some compatible define Changes in v4: - The compatible define with rkxx_nfc - Add assigned-clocks - Fix some wrong define Changes in v3: - Change the title for the dt-bindings Changes in v2: None .../mtd/rockchip,nand-controller.yaml | 154 ++++++++++++++++++ 1 file changed, 154 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 000000000000..f753fe8248aa --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml @@ -0,0 +1,154 @@ +# 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 SoCs NAND FLASH Controller (NFC) + +allOf: + - $ref: "nand-controller.yaml#" + +maintainers: + - Heiko Stuebner + +properties: + compatible: + oneOf: + - const: rockchip,px30-nfc + - const: rockchip,rk2928-nfc + - const: rockchip,rv1108-nfc + - items: + - const: rockchip,rk3326-nfc + - const: rockchip,px30-nfc + - items: + - const: rockchip,rk3036-nfc + - const: rockchip,rk2928-nfc + - items: + - const: rockchip,rk3308-nfc + - const: rockchip,rv1108-nfc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + items: + - description: Bus Clock + - description: Module Clock + + clock-names: + minItems: 1 + items: + - const: ahb + - const: nfc + + assigned-clocks: + maxItems: 1 + + assigned-clock-rates: + maxItems: 1 + + pinctrl-0: + maxItems: 1 + + pinctrl-names: + const: default + + power-domains: + maxItems: 1 + +patternProperties: + "^nand@[a-f0-9]$": + type: object + properties: + reg: + minimum: 0 + maximum: 7 + + nand-ecc-mode: + const: hw + + nand-ecc-step-size: + const: 1024 + + nand-ecc-strength: + enum: [16, 24, 40, 60, 70] + description: + The ECC configurations that can be supported are as follows. + - NFCv900(PX30 and RK3326) support ecc strength 16, 40, 60 and 70. + - NFCv600(RK3066 and RK2928) support ecc strength 16, 24, 40 and 60. + - NFCv622(RK3036 and RK3128) support ecc strength 16, 24, 40 and 60. + - NFCv800(RK3308 and RV1108) support ecc strength 16. + + nand-bus-width: + const: 8 + + rockchip,boot-blks: + minimum: 2 + default: 16 + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + The NFC driver need this information to select ECC + algorithms supported by the BOOTROM. + Only used in combination with 'nand-is-boot-medium'. + + rockchip,boot-ecc-strength: + enum: [16, 24, 40, 60, 70] + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + description: + If specified it indicates that a different BCH/ECC setting is + supported by the BOOTROM. + - NFCv900(PX30 and RK3326) support ecc strength 16 and 70. + - NFCv600(RK3066 and RK2928) support ecc strength 16, 24, 40 and 60. + - NFCv622(RK3036 and RK3128) support ecc strength 16, 24, 40 and 60. + - NFCv800(RK3308 and RV1108) support ecc strength 16. + Only used in combination with 'nand-is-boot-medium'. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include + #include + nfc: nand-controller@ff4b0000 { + compatible = "rockchip,rk3308-nfc", + "rockchip,rv1108-nfc"; + reg = <0x0 0xff4b0000 0x0 0x4000>; + interrupts = ; + clocks = <&cru HCLK_NANDC>, <&cru SCLK_NANDC>; + clock-names = "ahb", "nfc"; + assigned-clocks = <&clks SCLK_NANDC>; + assigned-clock-rates = <150000000>; + + pinctrl-0 = <&flash_ale &flash_bus8 &flash_cle &flash_csn0 + &flash_rdn &flash_rdy &flash_wrn>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + label = "rk-nand"; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-ecc-step-size = <1024>; + nand-ecc-strength = <16>; + nand-is-boot-medium; + rockchip,boot-blks = <8>; + rockchip,boot-ecc-strength = <16>; + }; + }; + +...