summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/i2c/marvell,mv64xxx-i2c.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'dts/Bindings/i2c/marvell,mv64xxx-i2c.yaml')
-rw-r--r--dts/Bindings/i2c/marvell,mv64xxx-i2c.yaml124
1 files changed, 124 insertions, 0 deletions
diff --git a/dts/Bindings/i2c/marvell,mv64xxx-i2c.yaml b/dts/Bindings/i2c/marvell,mv64xxx-i2c.yaml
new file mode 100644
index 0000000000..001f2b7aba
--- /dev/null
+++ b/dts/Bindings/i2c/marvell,mv64xxx-i2c.yaml
@@ -0,0 +1,124 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/marvell,mv64xxx-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell MV64XXX I2C Controller Device Tree Bindings
+
+maintainers:
+ - Gregory CLEMENT <gregory.clement@bootlin.com>
+
+properties:
+ compatible:
+ oneOf:
+ - const: allwinner,sun4i-a10-i2c
+ - items:
+ - const: allwinner,sun7i-a20-i2c
+ - const: allwinner,sun4i-a10-i2c
+ - const: allwinner,sun6i-a31-i2c
+ - items:
+ - const: allwinner,sun8i-a23-i2c
+ - const: allwinner,sun6i-a31-i2c
+ - items:
+ - const: allwinner,sun8i-a83t-i2c
+ - const: allwinner,sun6i-a31-i2c
+ - items:
+ - const: allwinner,sun50i-a64-i2c
+ - const: allwinner,sun6i-a31-i2c
+
+ - const: marvell,mv64xxx-i2c
+ - const: marvell,mv78230-i2c
+ - const: marvell,mv78230-a0-i2c
+
+ description:
+ Only use "marvell,mv78230-a0-i2c" for a very rare, initial
+ version of the SoC which had broken offload support. Linux
+ auto-detects this and sets it appropriately.
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: Reference clock for the I2C bus
+ - description: Bus clock (Only for Armada 7K/8K)
+
+ clock-names:
+ minItems: 1
+ maxItems: 2
+ items:
+ - const: core
+ - const: reg
+ description:
+ Mandatory if two clocks are used (only for Armada 7k and 8k).
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - allwinner,sun4i-a10-i2c
+ - allwinner,sun6i-a31-i2c
+
+ then:
+ required:
+ - clocks
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: allwinner,sun6i-a31-i2c
+
+ then:
+ required:
+ - resets
+
+# FIXME: We should set it, but it would report all the generic
+# properties as additional properties.
+# additionalProperties: false
+
+examples:
+ - |
+ i2c@11000 {
+ compatible = "marvell,mv64xxx-i2c";
+ reg = <0x11000 0x20>;
+ interrupts = <29>;
+ clock-frequency = <100000>;
+ };
+
+ - |
+ i2c@11000 {
+ compatible = "marvell,mv78230-i2c";
+ reg = <0x11000 0x100>;
+ interrupts = <29>;
+ clock-frequency = <100000>;
+ };
+
+ - |
+ i2c@701000 {
+ compatible = "marvell,mv78230-i2c";
+ reg = <0x701000 0x20>;
+ interrupts = <29>;
+ clock-frequency = <100000>;
+ clock-names = "core", "reg";
+ clocks = <&core_clock>, <&reg_clock>;
+ };
+
+...