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authorLinus Torvalds2023-05-01 11:08:01 -0700
committerLinus Torvalds2023-05-01 11:08:01 -0700
commite0906f1feb7caf5098e7f831f4889feecfb0c68b (patch)
tree9c1bfe62ceb60a0f66df154a20b90c59ef2dbc56 /Documentation/devicetree
parent06936aaf490ff55dd5787375a83d6e486bccc397 (diff)
parent6b496a94c5905fca7879bc0dc438a47de40b7d4f (diff)
Merge tag 'i3c/for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni: "Subsystem: - OF alias bus numbering - convert to platform remove callback returning void New driver: - AST2600 controller, based on Synopsys DesignWare IP Driver update: - dw: add infrastructure to support different platform integrations" * tag 'i3c/for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: i3c: ast2600: set variable ast2600_i3c_ops storage-class-specifier to static i3c: ast2600: fix register setting for 545 ohm pullups i3c: ast2600: enable IBI support i3c: dw: Add a platform facility for IBI PEC workarounds i3c: dw: Add support for in-band interrupts i3c: dw: Turn DAT array entry into a struct i3c: dw: Create a generic fifo read function i3c: Allow OF-alias-based persistent bus numbering i3c: ast2600: Add AST2600 platform-specific driver dt-bindings: i3c: Add AST2600 i3c controller i3c: dw: Add infrastructure for platform-specific implementations i3c: dw: use bus mode rather than device reg for conditional tCAS setting i3c: dw: Return the length from a read priv_xfer i3c: svc: Convert to platform remove callback returning void i3c: mipi-i3c-hci: Convert to platform remove callback returning void i3c: cdns: Convert to platform remove callback returning void i3c: dw: Convert to platform remove callback returning void i3c: Make i3c_master_unregister() return void i3c: dw: drop of_match_ptr for ID table i3c: Correct reference to the I²C device data type
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml72
1 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml b/Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml
new file mode 100644
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@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/aspeed,ast2600-i3c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED AST2600 i3c controller
+
+maintainers:
+ - Jeremy Kerr <jk@codeconstruct.com.au>
+
+allOf:
+ - $ref: i3c.yaml#
+
+properties:
+ compatible:
+ const: aspeed,ast2600-i3c
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ sda-pullup-ohms:
+ enum: [545, 750, 2000]
+ default: 2000
+ description: |
+ Value to configure SDA pullup resistor, in Ohms.
+
+ aspeed,global-regs:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: phandle to i3c global register syscon node
+ - description: index of this i3c controller in the global register set
+ description: |
+ A (phandle, controller index) reference to the i3c global register set
+ used for this device.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - aspeed,global-regs
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ i3c-master@2000 {
+ compatible = "aspeed,ast2600-i3c";
+ reg = <0x2000 0x1000>;
+ #address-cells = <3>;
+ #size-cells = <0>;
+ clocks = <&syscon 0>;
+ resets = <&syscon 0>;
+ aspeed,global-regs = <&i3c_global 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i3c1_default>;
+ interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...