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-rw-r--r--Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml66
1 files changed, 59 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml b/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml
index c31e207d1652..456797967adc 100644
--- a/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml
+++ b/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml
@@ -4,7 +4,7 @@
$id: http://devicetree.org/schemas/timestamp/nvidia,tegra194-hte.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: Tegra194 on chip generic hardware timestamping engine (HTE)
+title: Tegra on chip generic hardware timestamping engine (HTE) provider
maintainers:
- Dipen Patel <dipenp@nvidia.com>
@@ -23,6 +23,8 @@ properties:
enum:
- nvidia,tegra194-gte-aon
- nvidia,tegra194-gte-lic
+ - nvidia,tegra234-gte-aon
+ - nvidia,tegra234-gte-lic
reg:
maxItems: 1
@@ -40,12 +42,20 @@ properties:
nvidia,slices:
$ref: /schemas/types.yaml#/definitions/uint32
+ deprecated: true
description:
HTE lines are arranged in 32 bit slice where each bit represents different
line/signal that it can enable/configure for the timestamp. It is u32
- property and depends on the HTE instance in the chip. The value 3 is for
- GPIO GTE and 11 for IRQ GTE.
- enum: [3, 11]
+ property and the value depends on the HTE instance in the chip. The AON
+ GTE instances for both Tegra194 and Tegra234 has 3 slices. The Tegra194
+ LIC instance has 11 slices and Tegra234 LIC has 17 slices.
+ enum: [3, 11, 17]
+
+ nvidia,gpio-controller:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ The phandle to AON gpio controller instance. This is required to handle
+ namespace conversion between GPIO and GTE.
'#timestamp-cells':
description:
@@ -59,9 +69,53 @@ required:
- compatible
- reg
- interrupts
- - nvidia,slices
- "#timestamp-cells"
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra194-gte-aon
+ - nvidia,tegra234-gte-aon
+ then:
+ properties:
+ nvidia,slices:
+ const: 3
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra194-gte-lic
+ then:
+ properties:
+ nvidia,slices:
+ const: 11
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra234-gte-lic
+ then:
+ properties:
+ nvidia,slices:
+ const: 17
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nvidia,tegra234-gte-aon
+ then:
+ required:
+ - nvidia,gpio-controller
+
additionalProperties: false
examples:
@@ -71,7 +125,6 @@ examples:
reg = <0xc1e0000 0x10000>;
interrupts = <0 13 0x4>;
nvidia,int-threshold = <1>;
- nvidia,slices = <3>;
#timestamp-cells = <1>;
};
@@ -81,7 +134,6 @@ examples:
reg = <0x3aa0000 0x10000>;
interrupts = <0 11 0x4>;
nvidia,int-threshold = <1>;
- nvidia,slices = <11>;
#timestamp-cells = <1>;
};