Re: [PATCH v3 1/2] dt-bindings: i2c: exynos5: add exynosautov9-hsi2c compatible
From: Sam Protsenko <semen.protsenko@linaro.org>
Date: 2021-11-16 00:29:11
Also in:
linux-arm-kernel, linux-i2c, linux-samsung-soc, lkml
On Fri, 12 Nov 2021 at 03:06, Jaewon Kim [off-list ref] wrote:
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> ---
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
quoted hunk ↗ jump to hunk
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