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dt-bindings: soc: tegra-pmc: Add ID for Tegra PMC 32 kHz blink clock

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Tegra PMC has blink functionality that allows 32 kHz clock out to
blink pin of the Tegra.

This patch adds id for this blink clock to use for enabling or
disabling blink output through device tree.

Tested-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Sowjanya Komatineni 2020-01-13 23:24:14 -08:00 committed by Thierry Reding
parent f85fa3198d
commit cd88f16792
2 changed files with 4 additions and 1 deletions
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2
Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml
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@ -44,6 +44,8 @@ properties:
const: 1
description:
Tegra PMC has clk_out_1, clk_out_2, and clk_out_3.
PMC also has blink control which allows 32Khz clock output to
Tegra blink pad.
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

3
include/dt-bindings/soc/tegra-pmc.h
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@ -9,7 +9,8 @@
#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_BLINK 3
#define TEGRA_PMC_CLK_MAX 3
#define TEGRA_PMC_CLK_MAX 4
#endif /* _DT_BINDINGS_SOC_TEGRA_PMC_H */