Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 416 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-pmc.yaml b/Documentation/devicetree/bindings/soc/tegra/nvidia,tegra20-pmc.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/tegra/nvidia,tegra20-pmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Tegra Power Management Controller (PMC)
+
+maintainers:
+  - Thierry Reding <thierry.reding@gmail.com>
+  - Jonathan Hunter <jonathanh@nvidia.com>
+
+properties:
+  compatible:
+    enum:
+      - nvidia,tegra20-pmc
+      - nvidia,tegra30-pmc
+      - nvidia,tegra114-pmc
+      - nvidia,tegra124-pmc
+      - nvidia,tegra210-pmc
+
+  reg:
+    maxItems: 1
+
+  clock-names:
+    items:
+      # Tegra clock of the same name
+      - const: pclk
+      # 32 KHz clock input
+      - const: clk32k_in
+
+  clocks:
+    maxItems: 2
+
+  '#clock-cells':
+    const: 1
+    description: |
+      Tegra PMC has clk_out_1, clk_out_2, and clk_out_3. PMC also has blink
+      control which allows 32Khz clock output to Tegra blink pad.
+
+      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: Specifies number of cells needed to encode an interrupt
+      source.
+
+  interrupt-controller: true
+
+  nvidia,invert-interrupt:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: Inverts the PMU interrupt signal. The PMU is an external Power
+      Management Unit, whose interrupt output signal is fed into the PMC. This
+      signal is optionally inverted, and then fed into the ARM GIC. The PMC is
+      not involved in the detection or handling of this interrupt signal,
+      merely its inversion.
+
+  nvidia,core-power-req-active-high:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: core power request active-high
+
+  nvidia,sys-clock-req-active-high:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: system clock request active-high
+
+  nvidia,combined-power-req:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: combined power request for CPU and core
+
+  nvidia,cpu-pwr-good-en:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: CPU power good signal from external PMIC to PMC is enabled
+
+  nvidia,suspend-mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: the suspend mode that the platform should use
+    oneOf:
+      - description: LP0, CPU + Core voltage off and DRAM in self-refresh
+        const: 0
+      - description: LP1, CPU voltage off and DRAM in self-refresh
+        const: 1
+      - description: LP2, CPU voltage off
+        const: 2
+
+  nvidia,cpu-pwr-good-time:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: CPU power good time in microseconds
+
+  nvidia,cpu-pwr-off-time:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: CPU power off time in microseconds
+
+  nvidia,core-pwr-good-time:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: core power good time in microseconds
+    items:
+      - description: oscillator stable time
+      - description: power stable time
+
+  nvidia,core-pwr-off-time:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: core power off time in microseconds
+
+  nvidia,lp0-vec:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Starting address and length of LP0 vector. The LP0 vector contains the
+      warm boot code that is executed by AVP when resuming from the LP0 state.
+      The AVP (Audio-Video Processor) is an ARM7 processor and always being
+      the first boot processor when chip is power on or resume from deep sleep
+      mode. When the system is resumed from the deep sleep mode, the warm boot
+      code will restore some PLLs, clocks and then brings up CPU0 for resuming
+      the system.
+    items:
+      - description: starting address of LP0 vector
+      - description: length of LP0 vector
+
+  core-supply:
+    description: phandle to voltage regulator connected to the SoC core power
+      rail
+
+  core-domain:
+    type: object
+    description: The vast majority of hardware blocks of Tegra SoC belong to a
+      core power domain, which has a dedicated voltage rail that powers the
+      blocks.
+    additionalProperties: false
+    properties:
+      operating-points-v2:
+        description: Should contain level, voltages and opp-supported-hw
+          property. The supported-hw is a bitfield indicating SoC speedo or
+          process ID mask.
+
+      "#power-domain-cells":
+        const: 0
+
+    required:
+      - operating-points-v2
+      - "#power-domain-cells"
+
+  i2c-thermtrip:
+    type: object
+    description: On Tegra30, Tegra114 and Tegra124 if i2c-thermtrip subnode
+      exists, hardware-triggered thermal reset will be enabled.
+    additionalProperties: false
+    properties:
+      nvidia,i2c-controller-id:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: ID of I2C controller to send poweroff command to PMU.
+          Valid values are described in section 9.2.148 "APBDEV_PMC_SCRATCH53_0"
+          of the Tegra K1 Technical Reference Manual.
+
+      nvidia,bus-addr:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: bus address of the PMU on the I2C bus
+
+      nvidia,reg-addr:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: PMU I2C register address to issue poweroff command
+
+      nvidia,reg-data:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: power-off command to write to PMU
+
+      nvidia,pinmux-id:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: Pinmux used by the hardware when issuing power-off command.
+          Defaults to 0. Valid values are described in section 12.5.2 "Pinmux
+          Support" of the Tegra4 Technical Reference Manual.
+
+    required:
+      - nvidia,i2c-controller-id
+      - nvidia,bus-addr
+      - nvidia,reg-addr
+      - nvidia,reg-data
+
+  powergates:
+    type: object
+    additionalProperties: false
+    description: |
+      This node contains a hierarchy of power domain nodes, which should match
+      the powergates on the Tegra SoC. Each powergate node represents a power-
+      domain on the Tegra SoC that can be power-gated by the Tegra PMC.
+
+      Hardware blocks belonging to a power domain should contain "power-domains"
+      property that is a phandle pointing to corresponding powergate node.
+
+      The name of the powergate node should be one of the below. Note that not
+      every powergate is applicable to all Tegra devices and the following list
+      shows which powergates are applicable to which devices.
+
+      Please refer to Tegra TRM for mode details on the powergate nodes to use
+      for each power-gate block inside Tegra.
+
+        Name     Description                   Devices Applicable
+        --------------------------------------------------------------
+        3d       3D Graphics                   Tegra20/114/124/210
+        3d0      3D Graphics 0                 Tegra30
+        3d1      3D Graphics 1                 Tegra30
+        aud      Audio                         Tegra210
+        dfd      Debug                         Tegra210
+        dis      Display A                     Tegra114/124/210
+        disb     Display B                     Tegra114/124/210
+        heg      2D Graphics                   Tegra30/114/124/210
+        iram     Internal RAM                  Tegra124/210
+        mpe      MPEG Encode                   All
+        nvdec    NVIDIA Video Decode Engine    Tegra210
+        nvjpg    NVIDIA JPEG Engine            Tegra210
+        pcie     PCIE                          Tegra20/30/124/210
+        sata     SATA                          Tegra30/124/210
+        sor      Display interfaces            Tegra124/210
+        ve2      Video Encode Engine 2         Tegra210
+        venc     Video Encode Engine           All
+        vdec     Video Decode Engine           Tegra20/30/114/124
+        vic      Video Imaging Compositor      Tegra124/210
+        xusba    USB Partition A               Tegra114/124/210
+        xusbb    USB Partition B               Tegra114/124/210
+        xusbc    USB Partition C               Tegra114/124/210
+
+    patternProperties:
+      "^[a-z0-9]+$":
+        type: object
+        additionalProperties: false
+        properties:
+          clocks:
+            minItems: 1
+            maxItems: 10
+
+          resets:
+            minItems: 1
+            maxItems: 8
+
+          power-domains:
+            maxItems: 1
+
+          '#power-domain-cells':
+            const: 0
+            description: Must be 0.
+
+        required:
+          - clocks
+          - resets
+          - '#power-domain-cells'
+
+  pinmux:
+    type: object
+    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
+  - reg
+  - clock-names
+  - 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:
+  "nvidia,suspend-mode": ["nvidia,core-pwr-off-time", "nvidia,cpu-pwr-off-time"]
+  "nvidia,core-pwr-off-time": ["nvidia,core-pwr-good-time"]
+  "nvidia,cpu-pwr-off-time": ["nvidia,cpu-pwr-good-time"]
+
+examples:
+  - |
+    #include <dt-bindings/clock/tegra210-car.h>
+    #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
+    #include <dt-bindings/soc/tegra-pmc.h>
+
+    pmc@7000e400 {
+        compatible = "nvidia,tegra210-pmc";
+        reg = <0x7000e400 0x400>;
+        core-supply = <&regulator>;
+        clocks = <&tegra_car TEGRA210_CLK_PCLK>, <&clk32k_in>;
+        clock-names = "pclk", "clk32k_in";
+        #clock-cells = <1>;
+
+        nvidia,invert-interrupt;
+        nvidia,suspend-mode = <0>;
+        nvidia,cpu-pwr-good-time = <0>;
+        nvidia,cpu-pwr-off-time = <0>;
+        nvidia,core-pwr-good-time = <4587 3876>;
+        nvidia,core-pwr-off-time = <39065>;
+        nvidia,core-power-req-active-high;
+        nvidia,sys-clock-req-active-high;
+
+        pd_core: core-domain {
+            operating-points-v2 = <&core_opp_table>;
+            #power-domain-cells = <0>;
+        };
+
+        powergates {
+            pd_audio: aud {
+                clocks = <&tegra_car TEGRA210_CLK_APE>,
+                         <&tegra_car TEGRA210_CLK_APB2APE>;
+                resets = <&tegra_car 198>;
+                power-domains = <&pd_core>;
+                #power-domain-cells = <0>;
+            };
+
+            pd_xusbss: xusba {
+                clocks = <&tegra_car TEGRA210_CLK_XUSB_SS>;
+                resets = <&tegra_car TEGRA210_CLK_XUSB_SS>;
+                power-domains = <&pd_core>;
+                #power-domain-cells = <0>;
+            };
+        };
+    };