[PATCH 2/2] dt-bindings: i2c: exynos5: add exynos-usi-hsi2c compatible

From: Jaewon Kim
Date: Mon Nov 01 2021 - 07:42:14 EST


This patch adds new "samsung,exynos-usi-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 | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt b/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt
index 2dbc0b62daa6..ce2373c7a357 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,exynos-usi-hsi2c", for i2c compatible with HSI2C available
+ on Exynos SoCs with USI.

- reg: physical base address of the controller and length of memory mapped
region.
@@ -31,6 +33,8 @@ Optional properties:
at 100khz.
-> If specified, the bus operates in high-speed mode only if the
clock-frequency is >= 1Mhz.
+ - samsung,usi-sysreg : sysreg handle to control USI type.
+ -> sysreg phandle for "samsung,exynos-usi-hsic" compatible.

Example:

@@ -46,6 +50,8 @@ hsi2c@12ca0000 {
#address-cells = <1>;
#size-cells = <0>;

+ samsung,usi-sysreg = <&usi_sysreg 0x28>;
+
s2mps11_pmic@66 {
compatible = "samsung,s2mps11-pmic";
reg = <0x66>;
--
2.33.1