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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 79C94CA9EAF for ; Mon, 21 Oct 2019 16:14:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4C9C22184C for ; Mon, 21 Oct 2019 16:14:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571674449; bh=7SuovnyOFIDXjjAa3m7sCNKHcZazJdRm/MfbQcjj8bs=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=E3HZRiJaLFVWe+fWi3wEh+jglew1NI1rKX0o60Y6WJLHgfH8hYLB8yY4sHZygVpGw PN8incUx8ySVL7Qu1cYLAPfgBV7IKULeJgG3qtdpqGED8zc3ZQEcvqgbIT8BEpWujv manBsGWlohisdl+D+VJ9JzHMcRBEd9+0Ex8Eaixw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728480AbfJUQOF (ORCPT ); Mon, 21 Oct 2019 12:14:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:36330 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727211AbfJUQOF (ORCPT ); Mon, 21 Oct 2019 12:14:05 -0400 Received: from localhost.localdomain (unknown [194.230.155.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 234182084B; Mon, 21 Oct 2019 16:14:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571674444; bh=7SuovnyOFIDXjjAa3m7sCNKHcZazJdRm/MfbQcjj8bs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=vlo+VW/blpqwBIg3aWdMxDXNV5PIPwffmgd93C+9tZN/RmPx7ujBNey4MEa52kuGn GKjoc5RKsfKjxkaxG8tM5BwUIxq888O5LUltOESit2hiLJDDlAraQGerHgy1nB/Ehb dM7w1tS7JXFuXswW0j7L7hqjn7kysDQy8jYZL0Yo= From: Krzysztof Kozlowski To: Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai , Heiko Stuebner , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH v4 2/7] dt-bindings: sram: Merge Samsung SRAM bindings into generic Date: Mon, 21 Oct 2019 18:13:46 +0200 Message-Id: <20191021161351.20789-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191021161351.20789-1-krzk@kernel.org> References: <20191021161351.20789-1-krzk@kernel.org> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Samsung SRAM bindings list only compatible so integrate them into generic SRAM bindings schema. Signed-off-by: Krzysztof Kozlowski --- Changes since v3: 1. New patch --- .../devicetree/bindings/sram/samsung-sram.txt | 38 ------------------- .../devicetree/bindings/sram/sram.yaml | 29 ++++++++++++++ MAINTAINERS | 1 - 3 files changed, 29 insertions(+), 39 deletions(-) delete mode 100644 Documentation/devicetree/bindings/sram/samsung-sram.txt diff --git a/Documentation/devicetree/bindings/sram/samsung-sram.txt b/Documentation/devicetree/bindings/sram/samsung-sram.txt deleted file mode 100644 index 61a9bbed303d..000000000000 --- a/Documentation/devicetree/bindings/sram/samsung-sram.txt +++ /dev/null @@ -1,38 +0,0 @@ -Samsung Exynos SYSRAM for SMP bringup: ------------------------------------- - -Samsung SMP-capable Exynos SoCs use part of the SYSRAM for the bringup -of the secondary cores. Once the core gets powered up it executes the -code that is residing at some specific location of the SYSRAM. - -Therefore reserved section sub-nodes have to be added to the mmio-sram -declaration. These nodes are of two types depending upon secure or -non-secure execution environment. - -Required sub-node properties: -- compatible : depending upon boot mode, should be - "samsung,exynos4210-sysram" : for Secure SYSRAM - "samsung,exynos4210-sysram-ns" : for Non-secure SYSRAM - -The rest of the properties should follow the generic mmio-sram discription -found in Documentation/devicetree/bindings/sram/sram.txt - -Example: - - sysram@2020000 { - compatible = "mmio-sram"; - reg = <0x02020000 0x54000>; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0 0x02020000 0x54000>; - - smp-sysram@0 { - compatible = "samsung,exynos4210-sysram"; - reg = <0x0 0x1000>; - }; - - smp-sysram@53000 { - compatible = "samsung,exynos4210-sysram-ns"; - reg = <0x53000 0x1000>; - }; - }; diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml index d338fcaa21ed..9ed94f8b0794 100644 --- a/Documentation/devicetree/bindings/sram/sram.yaml +++ b/Documentation/devicetree/bindings/sram/sram.yaml @@ -64,6 +64,9 @@ patternProperties: description: Should contain a vendor specific string in the form ,[-] + enum: + - samsung,exynos4210-sysram + - samsung,exynos4210-sysram-ns reg: description: @@ -135,3 +138,29 @@ examples: export; }; }; + + - | + // Samsung SMP-capable Exynos SoCs use part of the SYSRAM for the bringup + // of the secondary cores. Once the core gets powered up it executes the + // code that is residing at some specific location of the SYSRAM. + // + // Therefore reserved section sub-nodes have to be added to the mmio-sram + // declaration. These nodes are of two types depending upon secure or + // non-secure execution environment. + sram@2020000 { + compatible = "mmio-sram"; + reg = <0x02020000 0x54000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x02020000 0x54000>; + + smp-sram@0 { + compatible = "samsung,exynos4210-sysram"; + reg = <0x0 0x1000>; + }; + + smp-sram@53000 { + compatible = "samsung,exynos4210-sysram-ns"; + reg = <0x53000 0x1000>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 56c78eadfdc5..699ad8f1eb38 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2235,7 +2235,6 @@ F: drivers/soc/samsung/ F: include/linux/soc/samsung/ F: Documentation/arm/samsung/ F: Documentation/devicetree/bindings/arm/samsung/ -F: Documentation/devicetree/bindings/sram/samsung-sram.txt F: Documentation/devicetree/bindings/power/pd-samsung.txt N: exynos -- 2.17.1