From cd88f16792011a90aa9cda12233f136a528acab3 Mon Sep 17 00:00:00 2001 From: Sowjanya Komatineni Date: Mon, 13 Jan 2020 23:24:14 -0800 Subject: [PATCH] dt-bindings: soc: tegra-pmc: Add ID for Tegra PMC 32 kHz blink clock 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 Reviewed-by: Dmitry Osipenko Acked-by: Rob Herring Signed-off-by: Sowjanya Komatineni Signed-off-by: Thierry Reding --- .../devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml | 2 ++ include/dt-bindings/soc/tegra-pmc.h | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml index 5b5c42a00264..f17bb353f65e 100644 --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml @@ -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 diff --git a/include/dt-bindings/soc/tegra-pmc.h b/include/dt-bindings/soc/tegra-pmc.h index f7c866404456..a99a457471ee 100644 --- a/include/dt-bindings/soc/tegra-pmc.h +++ b/include/dt-bindings/soc/tegra-pmc.h @@ -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 */