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-rw-r--r--Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml25
1 files changed, 20 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
index 128444942aec..09d2591e1fa3 100644
--- a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
@@ -7,17 +7,18 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
title: nuvoton NPCM7XX I2C Controller Device Tree Bindings
description: |
- The NPCM750x includes sixteen I2C bus controllers. All Controllers support
- both master and slave mode. Each controller can switch between master and slave
- at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO for TX and
- RX.
+ I2C bus controllers of the NPCM series support both master and
+ slave mode. Each controller can switch between master and slave at run time
+ (i.e. IPMB mode). HW FIFO for TX and RX are supported.
maintainers:
- Tali Perry <tali.perry1@gmail.com>
properties:
compatible:
- const: nuvoton,npcm750-i2c
+ enum:
+ - nuvoton,npcm750-i2c
+ - nuvoton,npcm845-i2c
reg:
maxItems: 1
@@ -36,6 +37,10 @@ properties:
default: 100000
enum: [100000, 400000, 1000000]
+ nuvoton,sys-mgr:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: The phandle of system manager register node.
+
required:
- compatible
- reg
@@ -44,6 +49,15 @@ required:
allOf:
- $ref: /schemas/i2c/i2c-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: nuvoton,npcm845-i2c
+
+ then:
+ required:
+ - nuvoton,sys-mgr
unevaluatedProperties: false
@@ -57,6 +71,7 @@ examples:
clock-frequency = <100000>;
interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
compatible = "nuvoton,npcm750-i2c";
+ nuvoton,sys-mgr = <&gcr>;
};
...