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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/i2c/i2c-exynos5.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-exynos5.txt')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-exynos5.txt | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt b/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt new file mode 100644 index 000000000..2dbc0b62d --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-exynos5.txt @@ -0,0 +1,53 @@ +* Samsung's High Speed I2C controller + +The Samsung's High Speed I2C controller is used to interface with I2C devices +at various speeds ranging from 100khz to 3.4Mhz. + +Required properties: + - compatible: value should be. + -> "samsung,exynos5-hsi2c", (DEPRECATED) + for i2c compatible with HSI2C available + on Exynos5250 and Exynos5420 SoCs. + -> "samsung,exynos5250-hsi2c", for i2c compatible with HSI2C available + on Exynos5250 and Exynos5420 SoCs. + -> "samsung,exynos5260-hsi2c", for i2c compatible with HSI2C available + on Exynos5260 SoCs. + -> "samsung,exynos7-hsi2c", for i2c compatible with HSI2C available + on Exynos7 SoCs. + + - reg: physical base address of the controller and length of memory mapped + region. + - interrupts: interrupt number to the cpu. + - #address-cells: always 1 (for i2c addresses) + - #size-cells: always 0 + + - Pinctrl: + - pinctrl-0: Pin control group to be used for this controller. + - pinctrl-names: Should contain only one value - "default". + +Optional properties: + - clock-frequency: Desired operating frequency in Hz of the bus. + -> If not specified, the bus operates in fast-speed mode at + at 100khz. + -> If specified, the bus operates in high-speed mode only if the + clock-frequency is >= 1Mhz. + +Example: + +hsi2c@12ca0000 { + compatible = "samsung,exynos5250-hsi2c"; + reg = <0x12ca0000 0x100>; + interrupts = <56>; + clock-frequency = <100000>; + + pinctrl-0 = <&i2c4_bus>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + s2mps11_pmic@66 { + compatible = "samsung,s2mps11-pmic"; + reg = <0x66>; + }; +}; |