From patchwork Tue Jan 14 07:24:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 11331435 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 E2C6813A0 for ; Tue, 14 Jan 2020 07:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C04F0222C3 for ; Tue, 14 Jan 2020 07:26:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="UH3Zr/La" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729125AbgANH0C (ORCPT ); Tue, 14 Jan 2020 02:26:02 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:13865 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729039AbgANHYf (ORCPT ); Tue, 14 Jan 2020 02:24:35 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 13 Jan 2020 23:24:14 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 13 Jan 2020 23:24:34 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 13 Jan 2020 23:24:34 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 14 Jan 2020 07:24:33 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 14 Jan 2020 07:24:34 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.169.242]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 13 Jan 2020 23:24:33 -0800 From: Sowjanya Komatineni To: , , , , , , , , , , , , CC: , , , , , , , , , , Subject: [PATCH v8 07/22] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings Date: Mon, 13 Jan 2020 23:24:12 -0800 Message-ID: <1578986667-16041-8-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578986667-16041-1-git-send-email-skomatineni@nvidia.com> References: <1578986667-16041-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1578986654; bh=Z3ACX3vP5nNFEx8B7eX+Er9D7XJtGr/zcelaygn+3Bo=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=UH3Zr/LaYVVJA+tp7yRj23j7K48qT5ggBbtUxqW+AABmrbs8ZASLgIeA26MJKK6q+ F7PrBKATCu0DQ/FS5QW2RSAQFdKL/IuvURWBHq7wVnmaxVELNao1nzEYJWIf9nNCWW eXNo4zyScE/9poyCcO+c3/sf+pZhqDxECrisx6kEPzxI+bloTWj5wel5YNa6MyU+mW 8I/n4uI2jmAmIGrlzKssbou5eSJTWVhFC2c5kBWk4oFf2gJIq3Cp0/Du+Io1Qg4UQW VhU83QrfZ9C/B6fpvMuGLwYtV4i6ExZCzd1CZiwhhIUFRfr8nzHG/60JnYUgNEtdB6 5qAF/sDvk0JNg== Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Tegra PMC has 3 clocks clk_out_1, clk_out_2, and clk_out_3. This patch documents PMC clock bindings and adds a header defining Tegra PMC clock ids. Tested-by: Dmitry Osipenko Reviewed-by: Dmitry Osipenko Reviewed-by: Rob Herring Signed-off-by: Sowjanya Komatineni --- .../devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml | 12 ++++++++++++ include/dt-bindings/soc/tegra-pmc.h | 15 +++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 include/dt-bindings/soc/tegra-pmc.h diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml index 3ff34b348141..5b5c42a00264 100644 --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml @@ -40,6 +40,15 @@ properties: Must contain an entry for each entry in clock-names. See ../clocks/clocks-bindings.txt for details. + '#clock-cells': + const: 1 + description: + Tegra PMC has clk_out_1, clk_out_2, and clk_out_3. + Consumer of PMC clock should specify the desired clock by having + the clock ID in its "clocks" phandle cell with pmc clock provider. + See include/dt-bindings/soc/tegra-pmc.h for the list of Tegra PMC + clock IDs. + '#interrupt-cells': const: 2 description: @@ -296,6 +305,7 @@ required: - reg - clock-names - clocks + - '#clock-cells' dependencies: "nvidia,suspend-mode": ["nvidia,core-pwr-off-time", "nvidia,cpu-pwr-off-time"] @@ -307,12 +317,14 @@ examples: #include #include + #include tegra_pmc: pmc@7000e400 { compatible = "nvidia,tegra210-pmc"; reg = <0x0 0x7000e400 0x0 0x400>; clocks = <&tegra_car TEGRA210_CLK_PCLK>, <&clk32k_in>; clock-names = "pclk", "clk32k_in"; + #clock-cells = <1>; nvidia,invert-interrupt; nvidia,suspend-mode = <0>; diff --git a/include/dt-bindings/soc/tegra-pmc.h b/include/dt-bindings/soc/tegra-pmc.h new file mode 100644 index 000000000000..f7c866404456 --- /dev/null +++ b/include/dt-bindings/soc/tegra-pmc.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved. + */ + +#ifndef _DT_BINDINGS_SOC_TEGRA_PMC_H +#define _DT_BINDINGS_SOC_TEGRA_PMC_H + +#define TEGRA_PMC_CLK_OUT_1 0 +#define TEGRA_PMC_CLK_OUT_2 1 +#define TEGRA_PMC_CLK_OUT_3 2 + +#define TEGRA_PMC_CLK_MAX 3 + +#endif /* _DT_BINDINGS_SOC_TEGRA_PMC_H */