diff options
Diffstat (limited to 'Documentation/devicetree/bindings/soc/tegra')
3 files changed, 165 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml b/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml new file mode 100644 index 0000000000..d5261ce3a6 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/tegra/nvidia,nvec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA compliant embedded controller + +maintainers: + - Thierry Reding <thierry.reding@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + +properties: + compatible: + const: nvidia,nvec + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + items: + - description: divider clock + - description: fast clock + + clock-names: + minItems: 1 + items: + - const: div-clk + - const: fast-clk + + resets: + items: + - description: module reset + + reset-names: + items: + - const: i2c + + clock-frequency: true + + request-gpios: + description: phandle to the GPIO used for EC request + + slave-addr: + $ref: /schemas/types.yaml#/definitions/uint32 + description: I2C address of the slave controller + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - reset-names + - clock-frequency + - request-gpios + - slave-addr + +examples: + - | + #include <dt-bindings/clock/tegra20-car.h> + #include <dt-bindings/gpio/tegra-gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + i2c@7000c500 { + compatible = "nvidia,nvec"; + reg = <0x7000c500 0x100>; + interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>; + clock-frequency = <80000>; + request-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>; + slave-addr = <138>; + clocks = <&tegra_car TEGRA20_CLK_I2C3>, + <&tegra_car TEGRA20_CLK_PLL_P_OUT3>; + clock-names = "div-clk", "fast-clk"; + resets = <&tegra_car 67>; + reset-names = "i2c"; + }; diff --git a/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-ahb.yaml b/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-ahb.yaml new file mode 100644 index 0000000000..2f7269a26b --- /dev/null +++ b/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-ahb.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/tegra/nvidia,tegra20-ahb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +maintainers: + - Thierry Reding <thierry.reding@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + +title: NVIDIA Tegra AHB + +properties: + compatible: + oneOf: + - enum: + - nvidia,tegra20-ahb + - nvidia,tegra30-ahb + - items: + - enum: + - nvidia,tegra114-ahb + - nvidia,tegra124-ahb + - nvidia,tegra210-ahb + - const: nvidia,tegra30-ahb + + reg: + maxItems: 1 + +additionalProperties: false + +required: + - compatible + - reg + +examples: + - | + ahb@6000c004 { + compatible = "nvidia,tegra20-ahb"; + reg = <0x6000c004 0x10c>; /* AHB Arbitration + Gizmo Controller */ + }; diff --git a/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-flowctrl.yaml b/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-flowctrl.yaml new file mode 100644 index 0000000000..705544b7f9 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-flowctrl.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/tegra/nvidia,tegra20-flowctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra Flow Controller + +maintainers: + - Thierry Reding <thierry.reding@gmail.com> + - Jon Hunter <jonathanh@nvidia.com> + +properties: + compatible: + oneOf: + - enum: + - nvidia,tegra20-flowctrl + - nvidia,tegra30-flowctrl + - nvidia,tegra114-flowctrl + - nvidia,tegra124-flowctrl + - nvidia,tegra210-flowctrl + + - items: + - const: nvidia,tegra132-flowctrl + - const: nvidia,tegra124-flowctrl + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + flow-controller@60007000 { + compatible = "nvidia,tegra20-flowctrl"; + reg = <0x60007000 0x1000>; + }; |