linux-kernel - [PATCH v7 09/21] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC 32KHz blink clock

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Date:   Tue, 7 Jan 2020 20:25:03 -0800
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     <skomatineni@...dia.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <broonie@...nel.org>,
        <lgirdwood@...il.com>, <perex@...ex.cz>, <tiwai@...e.com>,
        <digetx@...il.com>, <mperttunen@...dia.com>,
        <gregkh@...uxfoundation.org>, <sboyd@...nel.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <pdeschrijver@...dia.com>, <pgaikwad@...dia.com>,
        <spujar@...dia.com>, <josephl@...dia.com>,
        <daniel.lezcano@...aro.org>, <mmaddireddy@...dia.com>,
        <markz@...dia.com>, <devicetree@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v7 09/21] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC 32KHz blink clock

Tegra PMC has blink functionality that allows 32KHz 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@...il.com>
Reviewed-by: Dmitry Osipenko <digetx@...il.com>
Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
---
 Documentation/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 */
-- 
2.7.4