diff options
Diffstat (limited to 'Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml | 171 |
1 files changed, 109 insertions, 62 deletions
diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml index a336a75d8b82..de1b23167658 100644 --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml +++ b/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra20-pmc.yaml @@ -244,69 +244,76 @@ properties: - resets - '#power-domain-cells' -patternProperties: - "^[a-f0-9]+-[a-f0-9]+$": + pinmux: type: object - description: - This is a Pad configuration node. On Tegra SOCs a pad is a set of - pins which are configured as a group. The pin grouping is a fixed - attribute of the hardware. The PMC can be used to set pad power state - and signaling voltage. A pad can be either in active or power down mode. - The support for power state and signaling voltage configuration varies - depending on the pad in question. 3.3V and 1.8V signaling voltages - are supported on pins where software controllable signaling voltage - switching is available. - - The pad configuration state nodes are placed under the pmc node and they - are referred to by the pinctrl client properties. For more information - see Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt. - The pad name should be used as the value of the pins property in pin - configuration nodes. - - The following pads are present on Tegra124 and Tegra132 - audio, bb, cam, comp, csia, csb, cse, dsi, dsib, dsic, dsid, hdmi, hsic, - hv, lvds, mipi-bias, nand, pex-bias, pex-clk1, pex-clk2, pex-cntrl, - sdmmc1, sdmmc3, sdmmc4, sys_ddc, uart, usb0, usb1, usb2, usb_bias. - - The following pads are present on Tegra210 - audio, audio-hv, cam, csia, csib, csic, csid, csie, csif, dbg, - debug-nonao, dmic, dp, dsi, dsib, dsic, dsid, emmc, emmc2, gpio, hdmi, - hsic, lvds, mipi-bias, pex-bias, pex-clk1, pex-clk2, pex-cntrl, sdmmc1, - sdmmc3, spi, spi-hv, uart, usb0, usb1, usb2, usb3, usb-bias. - - properties: - pins: - $ref: /schemas/types.yaml#/definitions/string - description: Must contain name of the pad(s) to be configured. - - low-power-enable: - $ref: /schemas/types.yaml#/definitions/flag - description: Configure the pad into power down mode. - - low-power-disable: - $ref: /schemas/types.yaml#/definitions/flag - description: Configure the pad into active mode. - - power-source: - $ref: /schemas/types.yaml#/definitions/uint32 - description: - Must contain either TEGRA_IO_PAD_VOLTAGE_1V8 or - TEGRA_IO_PAD_VOLTAGE_3V3 to select between signaling voltages. - The values are defined in - include/dt-bindings/pinctrl/pinctrl-tegra-io-pad.h. - Power state can be configured on all Tegra124 and Tegra132 - pads. None of the Tegra124 or Tegra132 pads support signaling - voltage switching. - All of the listed Tegra210 pads except pex-cntrl support power - state configuration. Signaling voltage switching is supported - on below Tegra210 pads. - audio, audio-hv, cam, dbg, dmic, gpio, pex-cntrl, sdmmc1, - sdmmc3, spi, spi-hv, and uart. - - required: - - pins - - additionalProperties: false + additionalProperties: + type: object + description: | + This is a pad configuration node. On Tegra SoCs a pad is a set of pins + which are configured as a group. The pin grouping is a fixed attribute + of the hardware. The PMC can be used to set pad power state and + signaling voltage. A pad can be either in active or power down mode. + The support for power state and signaling voltage configuration varies + depending on the pad in question. 3.3V and 1.8V signaling voltages are + supported on pins where software controllable signaling voltage + switching is available. + + The pad configuration state nodes are placed under the pmc node and + they are referred to by the pinctrl client properties. For more + information see: + + Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + + The pad name should be used as the value of the pins property in pin + configuration nodes. + + The following pads are present on Tegra124 and Tegra132: + + audio, bb, cam, comp, csia, csb, cse, dsi, dsib, dsic, dsid, hdmi, + hsic, hv, lvds, mipi-bias, nand, pex-bias, pex-clk1, pex-clk2, + pex-cntrl, sdmmc1, sdmmc3, sdmmc4, sys_ddc, uart, usb0, usb1, usb2, + usb_bias + + The following pads are present on Tegra210: + + audio, audio-hv, cam, csia, csib, csic, csid, csie, csif, dbg, + debug-nonao, dmic, dp, dsi, dsib, dsic, dsid, emmc, emmc2, gpio, + hdmi, hsic, lvds, mipi-bias, pex-bias, pex-clk1, pex-clk2, pex-cntrl, + sdmmc1, sdmmc3, spi, spi-hv, uart, usb0, usb1, usb2, usb3, usb-bias + additionalProperties: false + properties: + pins: + $ref: /schemas/types.yaml#/definitions/string-array + description: Must contain name of the pad(s) to be configured. + + low-power-enable: + $ref: /schemas/types.yaml#/definitions/flag + description: Configure the pad into power down mode. + + low-power-disable: + $ref: /schemas/types.yaml#/definitions/flag + description: Configure the pad into active mode. + + power-source: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Must contain either TEGRA_IO_PAD_VOLTAGE_1V8 or + TEGRA_IO_PAD_VOLTAGE_3V3 to select between signaling voltages. The + values are defined in: + + include/dt-bindings/pinctrl/pinctrl-tegra-io-pad.h + + Power state can be configured on all Tegra124 and Tegra132 pads. + None of the Tegra124 or Tegra132 pads support signaling voltage + switching. All of the listed Tegra210 pads except pex-cntrl support + power state configuration. Signaling voltage switching is supported + on the following Tegra210 pads: + + audio, audio-hv, cam, dbg, dmic, gpio, pex-cntrl, sdmmc1, sdmmc3, + spi, spi-hv, uart + + required: + - pins required: - compatible @@ -315,6 +322,46 @@ required: - clocks - '#clock-cells' +allOf: + - if: + properties: + compatible: + contains: + const: nvidia,tegra124-pmc + then: + properties: + pinmux: + additionalProperties: + type: object + properties: + pins: + items: + enum: [ audio, bb, cam, comp, csia, csb, cse, dsi, dsib, + dsic, dsid, hdmi, hsic, hv, lvds, mipi-bias, nand, + pex-bias, pex-clk1, pex-clk2, pex-cntrl, sdmmc1, + sdmmc3, sdmmc4, sys_ddc, uart, usb0, usb1, usb2, + usb_bias ] + + - if: + properties: + compatible: + contains: + const: nvidia,tegra210-pmc + then: + properties: + pinmux: + additionalProperties: + type: object + properties: + pins: + items: + enum: [ audio, audio-hv, cam, csia, csib, csic, csid, csie, + csif, dbg, debug-nonao, dmic, dp, dsi, dsib, dsic, + dsid, emmc, emmc2, gpio, hdmi, hsic, lvds, mipi-bias, + pex-bias, pex-clk1, pex-clk2, pex-cntrl, sdmmc1, + sdmmc3, spi, spi-hv, uart, usb0, usb1, usb2, usb3, + usb-bias ] + additionalProperties: false dependencies: |