From patchwork Sat Sep 7 11:35:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11136451 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 BB2561593 for ; Sat, 7 Sep 2019 11:36:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A397218AF for ; Sat, 7 Sep 2019 11:36:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567856163; bh=DjGNzh+fr05rUNc5wWkela8s+FXQ7EbFjXm5r11Xvyc=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=aArLzHVP3wB4iZR7YzlR48fu4+uySOSizcvP0c+KSFp2IDpnsCK1apvucMYQWZCKn L0lwqiwIxuCPVsdf50BybdZEnJM+LUkAAvvk6S1IXO16lz2FXxBvDUiTwEn0Ja8nV5 cxqmSRoBQjIm2BTZp4UqIP0e+NYxnfrcMnxu9L0A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391567AbfIGLfy (ORCPT ); Sat, 7 Sep 2019 07:35:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:38118 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725947AbfIGLfx (ORCPT ); Sat, 7 Sep 2019 07:35:53 -0400 Received: from localhost.localdomain (unknown [194.230.155.145]) (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 644A1218DE; Sat, 7 Sep 2019 11:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567856153; bh=DjGNzh+fr05rUNc5wWkela8s+FXQ7EbFjXm5r11Xvyc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oYl9n3KGIMIMS1LOa9ZVQvBI/H9n1aUdAJDb3KjNRbqgnEl+dZbPGV+XiymmuY7VZ 5JksdBRRVgctcWZOhKh5KOktCCXBONxgMwbjDIZtne29kk74BOJyP32e1Aga/dm3mL HFdQdkI2/X0lKBMru+Gejm6N095z07tn7mwiUBsQ= From: Krzysztof Kozlowski To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 2/2] dt-bindings: sram: Convert Samsung Exynos SYSRAM bindings to json-schema Date: Sat, 7 Sep 2019 13:35:42 +0200 Message-Id: <20190907113542.4096-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190907113542.4096-1-krzk@kernel.org> References: <20190907113542.4096-1-krzk@kernel.org> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Convert Samsung Exynos SYSRAM bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski --- TODO: The node naming should be probably fixed (sysram->sram) --- .../devicetree/bindings/sram/samsung-sram.txt | 38 ------------ .../bindings/sram/samsung-sram.yaml | 58 +++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 59 insertions(+), 39 deletions(-) delete mode 100644 Documentation/devicetree/bindings/sram/samsung-sram.txt create mode 100644 Documentation/devicetree/bindings/sram/samsung-sram.yaml 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/samsung-sram.yaml b/Documentation/devicetree/bindings/sram/samsung-sram.yaml new file mode 100644 index 000000000000..501d299a554e --- /dev/null +++ b/Documentation/devicetree/bindings/sram/samsung-sram.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sram/samsung-sram.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos SoC SYSRAM for SMP bringup + +maintainers: + - Krzysztof Kozlowski + +description: |+ + 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. + +allOf: + - $ref: "sram.yaml#" + +properties: + $nodename: + pattern: "^sysram(@.*)?" + +patternProperties: + "^([a-z]*-)?sysram@[a-f0-9]$": + type: object + + properties: + compatible: + description: + Depending upon boot mode + enum: + - samsung,exynos4210-sysram # for Secure SYSRAM + - samsung,exynos4210-sysram-ns # for Non-secure SYSRAM + +examples: + - | + 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/MAINTAINERS b/MAINTAINERS index cdd2f1f3e1f4..36c30f31bdf2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2225,7 +2225,7 @@ 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/sram/samsung-sram.yaml F: Documentation/devicetree/bindings/power/pd-samsung.txt N: exynos