diff options
| -rw-r--r-- | Documentation/devicetree/bindings/i3c/i3c.yaml | 5 | ||||
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | include/dt-bindings/i3c/i3c.h | 16 |
3 files changed, 21 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/i3c/i3c.yaml b/Documentation/devicetree/bindings/i3c/i3c.yaml index 113957ebe9f1..e25fa72fd785 100644 --- a/Documentation/devicetree/bindings/i3c/i3c.yaml +++ b/Documentation/devicetree/bindings/i3c/i3c.yaml @@ -91,6 +91,7 @@ patternProperties: - const: 0 - description: | Shall encode the I3C LVR (Legacy Virtual Register): + See include/dt-bindings/i3c/i3c.h bit[31:8]: unused/ignored bit[7:5]: I2C device index. Possible values: * 0: I2C device has a 50 ns spike filter @@ -153,6 +154,8 @@ additionalProperties: true examples: - | + #include <dt-bindings/i3c/i3c.h> + i3c@d040000 { compatible = "cdns,i3c-master"; clocks = <&coreclock>, <&i3csysclock>; @@ -166,7 +169,7 @@ examples: /* I2C device. */ eeprom@57 { compatible = "atmel,24c01"; - reg = <0x57 0x0 0x10>; + reg = <0x57 0x0 (I2C_FM | I2C_FILTER)>; pagesize = <0x8>; }; diff --git a/MAINTAINERS b/MAINTAINERS index d6c90161c7bf..8b27d7752b9b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10479,6 +10479,7 @@ F: Documentation/ABI/testing/sysfs-bus-i3c F: Documentation/devicetree/bindings/i3c/ F: Documentation/driver-api/i3c F: drivers/i3c/ +F: include/dt-bindings/i3c/ F: include/linux/i3c/ IBM Operation Panel Input Driver diff --git a/include/dt-bindings/i3c/i3c.h b/include/dt-bindings/i3c/i3c.h new file mode 100644 index 000000000000..373439218bba --- /dev/null +++ b/include/dt-bindings/i3c/i3c.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ +/* + * Copyright 2024 NXP + */ + +#ifndef _DT_BINDINGS_I3C_I3C_H +#define _DT_BINDINGS_I3C_I3C_H + +#define I2C_FM (1 << 4) +#define I2C_FM_PLUS (0 << 4) + +#define I2C_FILTER (0 << 5) +#define I2C_NO_FILTER_HIGH_FREQUENCY (1 << 5) +#define I2C_NO_FILTER_LOW_FREQUENCY (2 << 5) + +#endif |