This patch adds new "samsung,exynosautov9-hsi2c" compatible.
It is for i2c compatible with HSI2C available on Exynos SoC with USI.
Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/i2c/i2c-exynos5.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt b/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt
index 2dbc0b62daa6..39f4067d9d1f 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt
@@ -14,6 +14,8 @@ Required properties:
on Exynos5260 SoCs.
-> "samsung,exynos7-hsi2c", for i2c compatible with HSI2C available
on Exynos7 SoCs.
+ -> "samsung,exynosautov9-hsi2c", for i2c compatible with HSI2C available
+ on ExynosAutov9 SoCs.
- reg: physical base address of the controller and length of memory mapped
region.
@@ -31,6 +33,11 @@ Optional properties:
at 100khz.
-> If specified, the bus operates in high-speed mode only if the
clock-frequency is >= 1Mhz.
+ - samsung,sysreg : system registers controller phandle to control USI.
+ -> If I2C integrated to USI(Universal Serial Interface), this property
+ is required. When using Exynos USI block, it needs to select which type
+ of Serial IPs(UART, SPI, I2C) to use with system register. So, it
+ requires samsung,sysreg phandle and offset value of system register.
Example:
--
2.33.1
