Added timestamp provider support for the Tegra234 in devicetree bindings. Signed-off-by: Dipen Patel <dipenp@xxxxxxxxxx> --- v2: - Removed nvidia,slices property - Added nvidia,gpio-controller based on review comments from Thierry, this will help simplify the hte provider driver. .../timestamp/nvidia,tegra194-hte.yaml | 30 ++++++++++++------- 1 file changed, 19 insertions(+), 11 deletions(-) diff --git a/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml b/Documentation/devicetree/bindings/timestamp/nvidia,tegra194-hte.yaml index c31e207d1652..d0f4ed75baee 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@xxxxxxxxxx> @@ -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 @@ -38,14 +40,11 @@ properties: minimum: 1 maximum: 256 - nvidia,slices: - $ref: /schemas/types.yaml#/definitions/uint32 + nvidia,gpio-controller: + $ref: /schemas/types.yaml#/definitions/phandle 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] + The phandle to AON gpio controller instance. This is required to handle + namespace conversion between GPIO and GTE. '#timestamp-cells': description: @@ -55,11 +54,21 @@ properties: mentioned in the nvidia GPIO device tree binding document. const: 1 +if: + properties: + compatible: + contains: + enum: + - nvidia,tegra194-gte-aon + - nvidia,tegra234-gte-aon +then: + required: + - nvidia,gpio-controller + required: - compatible - reg - interrupts - - nvidia,slices - "#timestamp-cells" additionalProperties: false @@ -71,7 +80,7 @@ examples: reg = <0xc1e0000 0x10000>; interrupts = <0 13 0x4>; nvidia,int-threshold = <1>; - nvidia,slices = <3>; + nvidia,gpio-controller = <&gpio_aon>; #timestamp-cells = <1>; }; @@ -81,7 +90,6 @@ examples: reg = <0x3aa0000 0x10000>; interrupts = <0 11 0x4>; nvidia,int-threshold = <1>; - nvidia,slices = <11>; #timestamp-cells = <1>; }; -- 2.17.1
