From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7918EC7EE2F for ; Tue, 6 Jun 2023 23:15:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240290AbjFFXO4 (ORCPT ); Tue, 6 Jun 2023 19:14:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240242AbjFFXOg (ORCPT ); Tue, 6 Jun 2023 19:14:36 -0400 Received: from mail-qk1-x72f.google.com (mail-qk1-x72f.google.com [IPv6:2607:f8b0:4864:20::72f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 492E919AA for ; Tue, 6 Jun 2023 16:14:30 -0700 (PDT) Received: by mail-qk1-x72f.google.com with SMTP id af79cd13be357-75d518f6f74so300481085a.1 for ; Tue, 06 Jun 2023 16:14:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1686093269; x=1688685269; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:from:to:cc:subject:date:message-id:reply-to; bh=aMp9SteW8CjamwuG8H9GTcy/ftn8hurCHArp4vYinYo=; b=M2gHeedsV5IdVtiM7jw/TqfKl9/5D88h5DlV00xP1TBx9iXNmCe0NPd1fz+kW78LN9 7e9oy8RbHJoGlaaKmGqqSxuVT1s5tIRudbB6PUGNKQYUyV1M8VSq6sKGATBCo31FmjI5 3WkN5A/XWpo+we1FZgmazCvScf3dPVODa+nIs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686093269; x=1688685269; h=mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=aMp9SteW8CjamwuG8H9GTcy/ftn8hurCHArp4vYinYo=; b=clWufWiQoXsF5C2khk1/AXCIXh1PVyR78cCW7G5VEtI+6f0nZHhIyR4cfktMttpLQB r8sPHcpCaQxPu58ey0BpGyx3rL9pPPlFAcFe1qesA5DN13bd8KLI537+bLdGVcO8uD+q Pb4AvctMHOszxf/nAFhh/0PU12/+kkBdE9aMrnIIYvVzGBkgEbFcTxpgAhdxCqx8iEqK tzGF5tqGtASPMW9hWv3F188c+0N/O6In8kOU7jdbl9lMPsioCkISraUctNukLr1DHfVa epmp6mqPIwCIW6tlkjba5+X+Ev1fXNTdhO/nHaZz/ztm7d7mp5BHWOpySwCy0G9PPOqJ VHrQ== X-Gm-Message-State: AC+VfDwaJAmQFZFPFRqZYTuZsSlWBj+wEaYNhq459dhdQOtMgJf4K6Vr sczzOU2xUb7AOgcJMFx0PQGzUQ== X-Google-Smtp-Source: ACHHUZ5FYUXf7lTExAvus8qv96Z3egC2p1tISXFfmC/HZ4mJeBRRDw17VTtW+DJ5DfdN9vrwJE3fog== X-Received: by 2002:a05:620a:2995:b0:75e:b8b2:3373 with SMTP id r21-20020a05620a299500b0075eb8b23373mr337281qkp.12.1686093269378; Tue, 06 Jun 2023 16:14:29 -0700 (PDT) Received: from ubuntu-22.localdomain ([192.19.222.250]) by smtp.gmail.com with ESMTPSA id x9-20020ae9e909000000b0075b23e55640sm5221519qkf.123.2023.06.06.16.14.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Jun 2023 16:14:28 -0700 (PDT) From: William Zhang To: Broadcom Kernel List , Linux MTD List Cc: f.fainelli@gmail.com, rafal@milecki.pl, kursad.oney@broadcom.com, joel.peshkin@broadcom.com, computersforpeace@gmail.com, anand.gore@broadcom.com, dregan@mail.com, kamal.dasu@broadcom.com, tomer.yacoby@broadcom.com, dan.beygelman@broadcom.com, William Zhang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Vignesh Raghavendra , Miquel Raynal , Richard Weinberger , Kamal Dasu , Rob Herring Subject: [PATCH 05/12] dt-bindings: mtd: brcmnand: Updates for bcmbca SoCs Date: Tue, 6 Jun 2023 16:12:45 -0700 Message-Id: <20230606231252.94838-6-william.zhang@broadcom.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230606231252.94838-1-william.zhang@broadcom.com> References: <20230606231252.94838-1-william.zhang@broadcom.com> MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000065bb0d05fd7e2ea8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00000000000065bb0d05fd7e2ea8 Content-Transfer-Encoding: 8bit Use new compatiable brcm,nand-bcmbca to support BCMBCA broadband product. The old compatible string is still kept in the driver so old dtb can still work. Add brcm,nand-use-wp property to have an option for disabling this feature on broadband board design that does not use write protection. Add brcm,nand-ecc-use-strap to get ecc setting from board strap for broadband board designs because they do not specify ecc setting in dts but rather using the strap setting. Remove the requirement of interrupts and interrupt-names properties to reflect the driver code. This patch also includes a few minor fixes to the BCM63xx compatibles and add myself to the list of maintainers. Signed-off-by: William Zhang --- .../bindings/mtd/brcm,brcmnand.yaml | 64 +++++++++++++------ 1 file changed, 43 insertions(+), 21 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml index 1571024aa119..1fe1c166a9db 100644 --- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml +++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.yaml @@ -9,6 +9,7 @@ title: Broadcom STB NAND Controller maintainers: - Brian Norris - Kamal Dasu + - William Zhang description: | The Broadcom Set-Top Box NAND controller supports low-level access to raw NAND @@ -18,9 +19,10 @@ description: | supports basic PROGRAM and READ functions, among other features. This controller was originally designed for STB SoCs (BCM7xxx) but is now - available on a variety of Broadcom SoCs, including some BCM3xxx, BCM63xx, and - iProc/Cygnus. Its history includes several similar (but not fully register - compatible) versions. + available on a variety of Broadcom SoCs, including some BCM3xxx, MIPS based + Broadband SoC (BCM63xx), ARM based Broadband SoC (BCMBCA) and iProc/Cygnus. + Its history includes several similar (but not fully register compatible) + versions. -- Additional SoC-specific NAND controller properties -- @@ -53,9 +55,9 @@ properties: - brcm,brcmnand-v7.2 - brcm,brcmnand-v7.3 - const: brcm,brcmnand - - description: BCM63138 SoC-specific NAND controller + - description: BCMBCA SoC-specific NAND controller items: - - const: brcm,nand-bcm63138 + - const: brcm,nand-bcmbca - enum: - brcm,brcmnand-v7.0 - brcm,brcmnand-v7.1 @@ -65,11 +67,15 @@ properties: - const: brcm,nand-iproc - const: brcm,brcmnand-v6.1 - const: brcm,brcmnand - - description: BCM63168 SoC-specific NAND controller + - description: BCM63xx SoC-specific NAND controller items: - - const: brcm,nand-bcm63168 - - const: brcm,nand-bcm6368 - - const: brcm,brcmnand-v4.0 + - enum: + - brcm,nand-bcm63168 + - brcm,nand-bcm6368 + - enum: + - brcm,brcmnand-v2.1 + - brcm,brcmnand-v2.2 + - brcm,brcmnand-v4.0 - const: brcm,brcmnand reg: @@ -111,6 +117,19 @@ properties: earlier versions of this core that include WP type: boolean + brcm,nand-use-wp: + description: + Use this integer to indicate if board design uses + controller's write protection feature and connects its + NAND_WPb pin to nand chip's WP_L pin. Driver defaults to + use this feature when this property does not exist. + Set to 0 if WP pins are not connected and feature is not + used. Set to 1 if WP pins are connected and feature is used. + Set to 2 if WP pins are connected but disable this feature + through driver that sets controller to output high on NAND_WPb. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + patternProperties: "^nand@[a-f0-9]$": type: object @@ -136,13 +155,23 @@ patternProperties: layout. $ref: /schemas/types.yaml#/definitions/uint32 + brcm,nand-ecc-use-strap: + description: + This flag is used by the driver to get the ecc strength and + spare area size from the SoC NAND boot strap setting. This + is commonly used by the BCMBCA SoC board design. If ecc + strength and spare area size are set by nand-ecc-strength + and brcm,nand-oob-sector-size in the dts, these settings + have precedence and override this flag. + $ref: /schemas/types.yaml#/definitions/flag + allOf: - $ref: nand-controller.yaml# - if: properties: compatible: contains: - const: brcm,nand-bcm63138 + const: brcm,nand-bcmbca then: properties: reg-names: @@ -153,7 +182,9 @@ allOf: properties: compatible: contains: - const: brcm,nand-bcm6368 + enum: + - brcm,nand-bcm63168 + - brcm,nand-bcm6368 then: properties: reg-names: @@ -173,20 +204,12 @@ allOf: - const: nand - const: iproc-idm - const: iproc-ext - - if: - properties: - interrupts: - minItems: 2 - then: - required: - - interrupt-names unevaluatedProperties: false required: - reg - reg-names - - interrupts examples: - | @@ -215,8 +238,7 @@ examples: }; - | nand-controller@10000200 { - compatible = "brcm,nand-bcm63168", "brcm,nand-bcm6368", - "brcm,brcmnand-v4.0", "brcm,brcmnand"; + compatible = 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