summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.yaml
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.yaml71
1 files changed, 71 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.yaml b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.yaml
new file mode 100644
index 000000000..2aa75b7ad
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/brcm,iproc-i2c.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/brcm,iproc-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom iProc I2C controller
+
+maintainers:
+ - Rafał Miłecki <rafal@milecki.pl>
+
+properties:
+ compatible:
+ enum:
+ - brcm,iproc-i2c
+ - brcm,iproc-nic-i2c
+
+ reg:
+ maxItems: 1
+
+ clock-frequency:
+ enum: [ 100000, 400000 ]
+
+ interrupts:
+ description: |
+ Should contain the I2C interrupt. For certain revisions of the I2C
+ controller, I2C interrupt is unwired to the interrupt controller. In such
+ case, this property should be left unspecified, and driver will fall back
+ to polling mode
+ maxItems: 1
+
+ brcm,ape-hsls-addr-mask:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Host view of address mask into the 'APE' co-processor
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: brcm,iproc-nic-i2c
+ then:
+ required:
+ - brcm,ape-hsls-addr-mask
+
+unevaluatedProperties: false
+
+required:
+ - reg
+ - clock-frequency
+ - '#address-cells'
+ - '#size-cells'
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ i2c@18008000 {
+ compatible = "brcm,iproc-i2c";
+ reg = <0x18008000 0x100>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>;
+ clock-frequency = <100000>;
+
+ wm8750@1a {
+ compatible = "wlf,wm8750";
+ reg = <0x1a>;
+ };
+ };