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| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2020-01-13 23:24:12 -0800 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2020-02-17 10:07:39 +0100 |
| commit | f85fa3198dfc4e359cc6efa58854853b0824bae8 (patch) | |
| tree | dffde422e3040480832cd054067c0f950f715883 | |
| parent | 39faeba7077ef87e1d0d170eda2cfb7b3b79f726 (diff) | |
| download | linux-f85fa3198dfc4e359cc6efa58854853b0824bae8.tar.gz linux-f85fa3198dfc4e359cc6efa58854853b0824bae8.tar.bz2 linux-f85fa3198dfc4e359cc6efa58854853b0824bae8.zip | |
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>
| -rw-r--r-- | Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml | 12 | ||||
| -rw-r--r-- | include/dt-bindings/soc/tegra-pmc.h | 15 |
2 files changed, 27 insertions, 0 deletions
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 <dt-bindings/clock/tegra210-car.h> #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h> + #include <dt-bindings/soc/tegra-pmc.h> 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 */ |