[PATCH v3 1/2] dt-bindings: i2c: exynos5: add exynosautov9-hsi2c compatible
From: Jaewon Kim <hidden>
Date: 2021-11-12 01:06:20
Also in:
linux-devicetree, linux-i2c, linux-samsung-soc, lkml
Subsystem:
i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> Reviewed-by: Krzysztof Kozlowski <redacted> --- 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
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