From patchwork Tue Mar 16 07:18:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 403461 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6189C43381 for ; Tue, 16 Mar 2021 07:19:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B7DD64FF4 for ; Tue, 16 Mar 2021 07:19:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232317AbhCPHTG (ORCPT ); Tue, 16 Mar 2021 03:19:06 -0400 Received: from lucky1.263xmail.com ([211.157.147.130]:46218 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232223AbhCPHSi (ORCPT ); Tue, 16 Mar 2021 03:18:38 -0400 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id 1C323D112C; Tue, 16 Mar 2021 15:18:28 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P24306T139683780609792S1615879106208731_; Tue, 16 Mar 2021 15:18:28 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: shawn.lin@rock-chips.com X-SENDER: lintao@rock-chips.com X-LOGIN-NAME: shawn.lin@rock-chips.com X-FST-TO: robh+dt@kernel.org X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Shawn Lin To: Rob Herring , Ulf Hansson Cc: linux-mmc@vger.kernel.org, Adrian Hunter , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, Shawn Lin Subject: [PATCH v6 2/3] dt-bindings: mmc: sdhci-of-dwcmhsc: Add rockchip support Date: Tue, 16 Mar 2021 15:18:21 +0800 Message-Id: <1615879102-45919-2-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1615879102-45919-1-git-send-email-shawn.lin@rock-chips.com> References: <1615879102-45919-1-git-send-email-shawn.lin@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds rockchip support in sdhci-of-dwcmhsc.yaml Signed-off-by: Shawn Lin --- Changes in v6: None Changes in v5: None Changes in v4: - rename compatible to rockchip,rk3568-dwcmshc - constrains rockchip,txclk-tapnum to u8 to match the register map .../bindings/mmc/snps,dwcmshc-sdhci.yaml | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml index f99fb9f..e6c9a2f 100644 --- a/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/snps,dwcmshc-sdhci.yaml @@ -16,6 +16,7 @@ allOf: properties: compatible: enum: + - rockchip,rk3568-dwcmshc - snps,dwcmshc-sdhci reg: @@ -31,12 +32,24 @@ properties: items: - description: core clock - description: bus clock for optional + - description: axi clock for rockchip specified + - description: block clock for rockchip specified + - description: timer clock for rockchip specified + clock-names: minItems: 1 items: - const: core - const: bus + - const: axi + - const: block + - const: timer + + rockchip,txclk-tapnum: + description: Specify the number of delay for tx sampling. + $ref: /schemas/types.yaml#/definitions/uint8 + required: - compatible @@ -49,6 +62,17 @@ unevaluatedProperties: false examples: - | + mmc@fe310000 { + compatible = "rockchip,rk3568-dwcmshc"; + reg = <0xfe310000 0x10000>; + interrupts = <0 25 0x4>; + clocks = <&cru 17>, <&cru 18>, <&cru 19>, <&cru 20>, <&cru 21>; + clock-names = "core", "bus", "axi", "block", "timer"; + bus-width = <8>; + #address-cells = <1>; + #size-cells = <0>; + }; + - | mmc@aa0000 { compatible = "snps,dwcmshc-sdhci"; reg = <0xaa000 0x1000>;