From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sowjanya Komatineni Subject: [PATCH v5 05/19] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings Date: Fri, 20 Dec 2019 14:26:51 -0800 Message-ID: <1576880825-15010-6-git-send-email-skomatineni@nvidia.com> References: <1576880825-15010-1-git-send-email-skomatineni@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1576880825-15010-1-git-send-email-skomatineni@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: skomatineni@nvidia.com, thierry.reding@gmail.com, jonathanh@nvidia.com, broonie@kernel.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, digetx@gmail.com, mperttunen@nvidia.com, gregkh@linuxfoundation.org, sboyd@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: pdeschrijver@nvidia.com, pgaikwad@nvidia.com, spujar@nvidia.com, josephl@nvidia.com, daniel.lezcano@linaro.org, mmaddireddy@nvidia.com, markz@nvidia.com, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-tegra@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. 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 e97eee672ae0..4320159bda3b 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: @@ -301,6 +310,7 @@ required: - reg - clock-names - clocks + - '#clock-cells' dependencies: "nvidia,suspend-mode": ["nvidia,core-pwr-off-time", "nvidia,cpu-pwr-off-time"] @@ -312,12 +322,14 @@ 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 */ -- 2.7.4