From patchwork Sat Apr 2 07:49:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liang Yang X-Patchwork-Id: 12799018 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9ECC2C433EF for ; Sat, 2 Apr 2022 07:51:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=t0eGUCVeWUQAZAi8/ZrAV9Zcb3zzh9PhKsrEG5uE0Z4=; b=n3Ok/4RcNteqQ/ O4xXc06T9iD05wMura0a9htWAtmqUamCCD1xjE2/PaxyLb8k9zwtMPyaljVTbTo3oC2yaBzHfDqZT e2LzUkXR78YQVM3uPhVCPtCAm38zW+6Q39810f+3vEH+b3GhEJig/O6hviRvf1pzeamlqA6J+fyQ6 iPK52RM4BbNsaUXr91tgLqRtTOMERqnsFh+c57iDEjRlK8VPVfYgcptnRdBMkGrtxDoVrfgjVySGi RLbGLq1iG6S8bWoYcI3tb26DHsqhiI9YQYiV0WTRs+c0mLHCLKmvc3XcdUqWRnHnitfFdTOyj99mR 4m53el4S8svyQgna3Hfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1naYWX-008GA3-1o; Sat, 02 Apr 2022 07:50:17 +0000 Received: from mail-sz.amlogic.com ([211.162.65.117]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1naYVr-008FtD-Kq; Sat, 02 Apr 2022 07:49:37 +0000 Received: from droid11-sz.amlogic.com (10.28.8.21) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server id 15.1.2176.2; Sat, 2 Apr 2022 15:49:30 +0800 From: Liang Yang To: Miquel Raynal , CC: Liang Yang , Rob Herring , Richard Weinberger , Vignesh Raghavendra , Jerome Brunet , Neil Armstrong , Martin Blumenstingl , Kevin Hilman , Jianxin Pan , Victor Wan , XianWei Zhao , Kelvin Zhang , BiChao Zheng , YongHui Yu , , , Subject: [PATCH v4 2/2] dt-bindings: nand: meson: refine Amlogic NAND controller driver Date: Sat, 2 Apr 2022 15:49:20 +0800 Message-ID: <20220402074921.13316-3-liang.yang@amlogic.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220402074921.13316-1-liang.yang@amlogic.com> References: <20220402074921.13316-1-liang.yang@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.28.8.21] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220402_004935_836662_63E12B06 X-CRM114-Status: GOOD ( 13.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org convert txt to yaml and refine the meson NFC clock document. Signed-off-by: Liang Yang --- .../bindings/mtd/amlogic,meson-nand.txt | 60 -------------- .../bindings/mtd/amlogic,meson-nand.yaml | 80 +++++++++++++++++++ 2 files changed, 80 insertions(+), 60 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt deleted file mode 100644 index 5794ab1147c1..000000000000 --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt +++ /dev/null @@ -1,60 +0,0 @@ -Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs - -This file documents the properties in addition to those available in -the MTD NAND bindings. - -Required properties: -- compatible : contains one of: - - "amlogic,meson-gxl-nfc" - - "amlogic,meson-axg-nfc" -- clocks : - A list of phandle + clock-specifier pairs for the clocks listed - in clock-names. - -- clock-names: Should contain the following: - "core" - NFC module gate clock - "device" - device clock from eMMC sub clock controller - "rx" - rx clock phase - "tx" - tx clock phase - -- amlogic,mmc-syscon : Required for NAND clocks, it's shared with SD/eMMC - controller port C - -Optional children nodes: -Children nodes represent the available nand chips. - -Other properties: -see Documentation/devicetree/bindings/mtd/nand-controller.yaml for generic bindings. - -Example demonstrate on AXG SoC: - - sd_emmc_c_clkc: mmc@7000 { - compatible = "amlogic,meson-axg-mmc-clkc", "syscon"; - reg = <0x0 0x7000 0x0 0x800>; - }; - - nand-controller@7800 { - compatible = "amlogic,meson-axg-nfc"; - reg = <0x0 0x7800 0x0 0x100>; - #address-cells = <1>; - #size-cells = <0>; - interrupts = ; - - clocks = <&clkc CLKID_SD_EMMC_C>, - <&sd_emmc_c_clkc CLKID_MMC_DIV>, - <&sd_emmc_c_clkc CLKID_MMC_PHASE_RX>, - <&sd_emmc_c_clkc CLKID_MMC_PHASE_TX>; - clock-names = "core", "device", "rx", "tx"; - amlogic,mmc-syscon = <&sd_emmc_c_clkc>; - - pinctrl-names = "default"; - pinctrl-0 = <&nand_pins>; - - nand@0 { - reg = <0>; - #address-cells = <1>; - #size-cells = <1>; - - nand-on-flash-bbt; - }; - }; diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml new file mode 100644 index 000000000000..965a2dd20645 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/amlogic,meson-nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs + +maintainers: + - liang.yang@amlogic.com + +properties: + compatible: + enum: + - "amlogic,meson-gxl-nfc" + - "amlogic,meson-axg-nfc" + + reg: + maxItems: 2 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + reg-names: + items: + - const: nfc + - const: emmc + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: device + + "#clock-cells": + const: 1 + +required: + - compatible + - reg + - '#address-cells' + - '#size-cells' + - reg-names + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + apb { + #address-cells = <2>; + #size-cells = <2>; + nand-controller@7800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "amlogic,meson-axg-nfc"; + reg = <0x0 0x7800 0x0 0x100>, + <0x0 0x7000 0x0 0x800>; + reg-names = "nfc", "emmc"; + + interrupts = ; + clocks = <&clkc CLKID_SD_EMMC_C>, + <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "device"; + + }; + }; +...