Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 136 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml b/Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml
new file mode 100644
index 000000000..005d95a9e
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/intel,pinctrl-keembay.yaml
@@ -0,0 +1,136 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/intel,pinctrl-keembay.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intel Keem Bay pin controller
+
+maintainers:
+  - Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
+
+description: |
+  Intel Keem Bay SoC integrates a pin controller which enables control
+  of pin directions, input/output values and configuration
+  for a total of 80 pins.
+
+properties:
+  compatible:
+    const: intel,keembay-pinctrl
+
+  reg:
+    maxItems: 2
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  ngpios:
+    description: The number of GPIOs exposed.
+    const: 80
+
+  interrupts:
+    description:
+      Specifies the interrupt lines to be used by the controller.
+      Each interrupt line is shared by upto 4 GPIO lines.
+    maxItems: 8
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 2
+
+patternProperties:
+  '^gpio@[0-9a-f]*$':
+    type: object
+    additionalProperties: false
+
+    description:
+      Child nodes can be specified to contain pin configuration information,
+      which can then be utilized by pinctrl client devices.
+      The following properties are supported.
+
+    properties:
+      pins:
+        description: |
+          The name(s) of the pins to be configured in the child node.
+          Supported pin names are "GPIO0" up to "GPIO79".
+
+      bias-disable: true
+
+      bias-pull-down: true
+
+      bias-pull-up: true
+
+      drive-strength:
+        description: IO pads drive strength in milli Ampere.
+        enum: [2, 4, 8, 12]
+
+      bias-bus-hold:
+        type: boolean
+
+      input-schmitt-enable:
+        type: boolean
+
+      slew-rate:
+        description: GPIO slew rate control.
+                      0 - Fast(~100MHz)
+                      1 - Slow(~50MHz)
+        enum: [0, 1]
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - ngpios
+  - '#gpio-cells'
+  - interrupts
+  - interrupt-controller
+  - '#interrupt-cells'
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    // Example 1
+    gpio@0 {
+        compatible = "intel,keembay-pinctrl";
+        reg = <0x600b0000 0x88>,
+              <0x600b0190 0x1ac>;
+        gpio-controller;
+        ngpios = <0x50>;
+        #gpio-cells = <0x2>;
+        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+    };
+
+    // Example 2
+    gpio@1 {
+        compatible = "intel,keembay-pinctrl";
+        reg = <0x600c0000 0x88>,
+              <0x600c0190 0x1ac>;
+        gpio-controller;
+        ngpios = <0x50>;
+        #gpio-cells = <0x2>;
+        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+    };