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authorSowjanya Komatineni <skomatineni@nvidia.com>2020-01-13 23:24:12 -0800
committerThierry Reding <treding@nvidia.com>2020-02-17 10:07:39 +0100
commitf85fa3198dfc4e359cc6efa58854853b0824bae8 (patch)
treedffde422e3040480832cd054067c0f950f715883 /Documentation/devicetree
parent39faeba7077ef87e1d0d170eda2cfb7b3b79f726 (diff)
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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>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml12
1 files changed, 12 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>;