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dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings
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 <digetx@gmail.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
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@ -40,6 +40,15 @@ properties:
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Must contain an entry for each entry in clock-names.
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See ../clocks/clocks-bindings.txt for details.
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'#clock-cells':
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const: 1
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description:
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Tegra PMC has clk_out_1, clk_out_2, and clk_out_3.
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Consumer of PMC clock should specify the desired clock by having
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the clock ID in its "clocks" phandle cell with pmc clock provider.
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See include/dt-bindings/soc/tegra-pmc.h for the list of Tegra PMC
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clock IDs.
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'#interrupt-cells':
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const: 2
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description:
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@ -296,6 +305,7 @@ required:
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- reg
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- clock-names
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- clocks
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- '#clock-cells'
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dependencies:
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"nvidia,suspend-mode": ["nvidia,core-pwr-off-time", "nvidia,cpu-pwr-off-time"]
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@ -307,12 +317,14 @@ examples:
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#include <dt-bindings/clock/tegra210-car.h>
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#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
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#include <dt-bindings/soc/tegra-pmc.h>
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tegra_pmc: pmc@7000e400 {
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compatible = "nvidia,tegra210-pmc";
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reg = <0x0 0x7000e400 0x0 0x400>;
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clocks = <&tegra_car TEGRA210_CLK_PCLK>, <&clk32k_in>;
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clock-names = "pclk", "clk32k_in";
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#clock-cells = <1>;
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nvidia,invert-interrupt;
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nvidia,suspend-mode = <0>;
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15
include/dt-bindings/soc/tegra-pmc.h
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15
include/dt-bindings/soc/tegra-pmc.h
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@ -0,0 +1,15 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2019-2020, NVIDIA CORPORATION. All rights reserved.
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*/
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#ifndef _DT_BINDINGS_SOC_TEGRA_PMC_H
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#define _DT_BINDINGS_SOC_TEGRA_PMC_H
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#define TEGRA_PMC_CLK_OUT_1 0
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#define TEGRA_PMC_CLK_OUT_2 1
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#define TEGRA_PMC_CLK_OUT_3 2
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#define TEGRA_PMC_CLK_MAX 3
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#endif /* _DT_BINDINGS_SOC_TEGRA_PMC_H */
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