Merge tag 'pinctrl-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "Mostly drivers! Nothing special: some new Qualcomm chips as usual, and
  the new NXP S32 and nVidia BlueField-3.

  Core changes:

   - Make a lot of pin controllers with GPIO and irqchips immutable,
     i.e. not living structs, but const structs. This is driving a
     changed initiated by the irqchip maintainers.

  New drivers:

   - New driver for the NXP S32 SoC pin controller

   - As part of a thorough cleanup and restructuring of the
     Ralink/Mediatek drivers, the Ralink MIPS pin control drivers were
     folded into the Mediatek directory and the family is renamed
     "mtmips". The Ralink chips live on as Mediatek MIPS family where
     new variants can be added. As part of this work also the device
     tree bindings were reworked.

   - New subdriver for the Qualcomm SM7150 SoC.

   - New subdriver for the Qualcomm IPQ9574 SoC.

   - New driver for the nVidia BlueField-3 SoC.

   - Support for the Qualcomm PMM8654AU mixed signal circuit GPIO.

   - Support for the Qualcomm PMI632 mixed signal circuit GPIO.

  Improvements:

   - Add some missing pins and generic cleanups on the Renesas r8a779g0
     and r8a779g0 pin controllers. Generic Renesas extension for power
     source selection on several SoCs.

   - Misc cleanups for the Atmel AT91 and AT91-PIO4 pin controllers

   - Make the GPIO mode work on the Qualcomm SM8550-lpass-lpi driver.

   - Several device tree binding cleanups as the binding YAML syntax is
     solidifying"

* tag 'pinctrl-v6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (153 commits)
  pinctrl-bcm2835.c: fix race condition when setting gpio dir
  dt-bindings: pinctrl: qcom,sm8150: Drop duplicate function value "atest_usb2"
  dt-bindings: pinctrl: qcom: Add few missing functions
  pinctrl: qcom: spmi-gpio: Add PMI632 support
  dt-bindings: pinctrl: qcom,pmic-gpio: add PMI632
  pinctrl: wpcm450: select MFD_SYSCON
  pinctrl: qcom ssbi-gpio: Convert to immutable irq_chip
  pinctrl: qcom ssbi-mpp: Convert to immutable irq_chip
  pinctrl: qcom spmi-mpp: Convert to immutable irq_chip
  pinctrl: plgpio: Convert to immutable irq_chip
  pinctrl: pistachio: Convert to immutable irq_chip
  pinctrl: pic32: Convert to immutable irq_chip
  pinctrl: sx150x: Convert to immutable irq_chip
  pinctrl: stmfx: Convert to immutable irq_chip
  pinctrl: st: Convert to immutable irq_chip
  pinctrl: mcp23s08: Convert to immutable irq_chip
  pinctrl: equilibrium: Convert to immutable irq_chip
  pinctrl: npcm7xx: Convert to immutable irq_chip
  pinctrl: armada-37xx: Convert to immutable irq_chip
  pinctrl: nsp: Convert to immutable irq_chip
  ...

1 files changed, 275 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8186-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8186-pinctrl.yaml
new file mode 100644
index 000000000000..69136ddd0bbc
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8186-pinctrl.yaml
@@ -0,0 +1,275 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/mediatek,mt8186-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT8186 Pin Controller
+
+maintainers:
+  - Sean Wang <sean.wang@mediatek.com>
+
+description:
+  The MediaTek's MT8186 Pin controller is used to control SoC pins.
+
+properties:
+  compatible:
+    const: mediatek,mt8186-pinctrl
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    description:
+      Number of cells in GPIO specifier. Since the generic GPIO binding is used,
+      the amount of cells must be specified as 2. See the below mentioned gpio
+      binding representation for description of particular cells.
+    const: 2
+
+  gpio-ranges:
+    maxItems: 1
+
+  gpio-line-names: true
+
+  reg:
+    description:
+      Physical address base for GPIO base registers. There are 8 different GPIO
+      physical address base in mt8186.
+    maxItems: 8
+
+  reg-names:
+    description:
+      GPIO base register names.
+    items:
+      - const: iocfg0
+      - const: iocfg_lt
+      - const: iocfg_lm
+      - const: iocfg_lb
+      - const: iocfg_bl
+      - const: iocfg_rb
+      - const: iocfg_rt
+      - const: eint
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 2
+
+  interrupts:
+    description: The interrupt outputs to sysirq
+    maxItems: 1
+
+  mediatek,rsel-resistance-in-si-unit:
+    type: boolean
+    description:
+      Identifying i2c pins pull up/down type which is RSEL. It can support RSEL
+      define or si unit value(ohm) to set different resistance.
+
+# PIN CONFIGURATION NODES
+patternProperties:
+  '-pins$':
+    type: object
+    additionalProperties: false
+    patternProperties:
+      '^pins':
+        type: object
+        additionalProperties: false
+        description: |
+          A pinctrl node should contain at least one subnodes representing the
+          pinctrl groups available on the machine. Each subnode will list the
+          pins it needs, and how they should be configured, with regard to muxer
+          configuration, pullups, drive strength, input enable/disable and input
+          schmitt.
+          An example of using macro:
+          pincontroller {
+            /* GPIO0 set as multifunction GPIO0 */
+            gpio-pins {
+              pins {
+                pinmux = <PINMUX_GPIO0__FUNC_GPIO0>;
+              }
+            };
+            /* GPIO128 set as multifunction SDA0 */
+            i2c0-pins {
+              pins {
+                pinmux = <PINMUX_GPIO128__FUNC_SDA0>;
+              }
+            };
+          };
+        $ref: pinmux-node.yaml
+
+        properties:
+          pinmux:
+            description:
+              Integer array, represents gpio pin number and mux setting.
+              Supported pin number and mux varies for different SoCs, and are
+              defined as macros in dt-bindings/pinctrl/<soc>-pinfunc.h directly.
+
+          drive-strength:
+            enum: [2, 4, 6, 8, 10, 12, 14, 16]
+
+          drive-strength-microamp:
+            enum: [125, 250, 500, 1000]
+
+          bias-pull-down:
+            oneOf:
+              - type: boolean
+              - enum: [100, 101, 102, 103]
+                description: mt8186 pull down PUPD/R0/R1 type define value.
+              - enum: [200, 201, 202, 203]
+                description: mt8186 pull down RSEL type define value.
+              - enum: [75000, 5000]
+                description: mt8186 pull down RSEL type si unit value(ohm).
+            description: |
+              For pull down type is normal, it don't need add RSEL & R1R0 define
+              and resistance value.
+              For pull down type is PUPD/R0/R1 type, it can add R1R0 define to
+              set different resistance. It can support "MTK_PUPD_SET_R1R0_00" &
+              "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" &
+              "MTK_PUPD_SET_R1R0_11" define in mt8186.
+              For pull down type is RSEL, it can add RSEL define & resistance
+              value(ohm) to set different resistance by identifying property
+              "mediatek,rsel-resistance-in-si-unit".
+              It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" &
+              "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" define in
+              mt8186. It can also support resistance value(ohm) "75000" & "5000"
+              in mt8186.
+              An example of using RSEL define:
+              pincontroller {
+                i2c0_pin {
+                  pins {
+                    pinmux = <PINMUX_GPIO128__FUNC_SDA0>;
+                    bias-pull-down = <MTK_PULL_SET_RSEL_001>;
+                  }
+                };
+              };
+              An example of using si unit resistance value(ohm):
+              &pio {
+                mediatek,rsel-resistance-in-si-unit;
+              }
+              pincontroller {
+                i2c0_pin {
+                  pins {
+                    pinmux = <PINMUX_GPIO128__FUNC_SDA0>;
+                    bias-pull-down = <75000>;
+                  }
+                };
+              };
+
+          bias-pull-up:
+            oneOf:
+              - type: boolean
+              - enum: [100, 101, 102, 103]
+                description: mt8186 pull up PUPD/R0/R1 type define value.
+              - enum: [200, 201, 202, 203]
+                description: mt8186 pull up RSEL type define value.
+              - enum: [1000, 5000, 10000, 75000]
+                description: mt8186 pull up RSEL type si unit value(ohm).
+            description: |
+              For pull up type is normal, it don't need add RSEL & R1R0 define
+              and resistance value.
+              For pull up type is PUPD/R0/R1 type, it can add R1R0 define to
+              set different resistance. It can support "MTK_PUPD_SET_R1R0_00" &
+              "MTK_PUPD_SET_R1R0_01" & "MTK_PUPD_SET_R1R0_10" &
+              "MTK_PUPD_SET_R1R0_11" define in mt8186.
+              For pull up type is RSEL, it can add RSEL define & resistance
+              value(ohm) to set different resistance by identifying property
+              "mediatek,rsel-resistance-in-si-unit".
+              It can support "MTK_PULL_SET_RSEL_000" & "MTK_PULL_SET_RSEL_001" &
+              "MTK_PULL_SET_RSEL_010" & "MTK_PULL_SET_RSEL_011" define in
+              mt8186. It can also support resistance value(ohm) "1000" & "5000"
+              & "10000" & "75000" in mt8186.
+              An example of using si unit resistance value(ohm):
+              &pio {
+                mediatek,rsel-resistance-in-si-unit;
+              }
+              pincontroller {
+                i2c0-pins {
+                  pins {
+                    pinmux = <PINMUX_GPIO128__FUNC_SDA0>;
+                    bias-pull-up = <1000>;
+                  }
+                };
+              };
+
+          bias-disable: true
+
+          output-high: true
+
+          output-low: true
+
+          input-enable: true
+
+          input-disable: true
+
+          input-schmitt-enable: true
+
+          input-schmitt-disable: true
+
+        required:
+          - pinmux
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-controller
+  - '#interrupt-cells'
+  - gpio-controller
+  - '#gpio-cells'
+  - gpio-ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/mt8186-pinfunc.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    pio: pinctrl@10005000 {
+      compatible = "mediatek,mt8186-pinctrl";
+      reg = <0x10005000 0x1000>,
+            <0x10002000 0x0200>,
+            <0x10002200 0x0200>,
+            <0x10002400 0x0200>,
+            <0x10002600 0x0200>,
+            <0x10002A00 0x0200>,
+            <0x10002c00 0x0200>,
+            <0x1000b000 0x1000>;
+      reg-names = "iocfg0", "iocfg_lt", "iocfg_lm",
+                  "iocfg_lb", "iocfg_bl", "iocfg_rb",
+                  "iocfg_rt", "eint";
+      gpio-controller;
+      #gpio-cells = <2>;
+      gpio-ranges = <&pio 0 0 185>;
+      interrupt-controller;
+      interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH 0>;
+      #interrupt-cells = <2>;
+
+      pio-pins {
+        pins {
+          pinmux = <PINMUX_GPIO0__FUNC_GPIO0>;
+          output-low;
+        };
+      };
+
+      spi0-pins {
+        pins-spi {
+          pinmux = <PINMUX_GPIO0__FUNC_SPI0_CLK_B>,
+                   <PINMUX_GPIO1__FUNC_SPI0_CSB_B>,
+                   <PINMUX_GPIO2__FUNC_SPI0_MO_B>;
+          bias-disable;
+        };
+        pins-spi-mi {
+          pinmux = <PINMUX_GPIO3__FUNC_SPI0_MI_B>;
+          bias-pull-down;
+        };
+      };
+
+      i2c0-pins {
+        pins {
+          pinmux = <PINMUX_GPIO127__FUNC_SCL0>,
+                   <PINMUX_GPIO128__FUNC_SDA0>;
+          bias-pull-up = <MTK_PULL_SET_RSEL_001>;
+          drive-strength-microamp = <1000>;
+        };
+      };
+    };