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Exynos7870's HS-I2C controllers are entirely compatible with
samsung,exynos7-hsi2c. Document Exynos7870's HS-I2C compatible string
appropriately.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20250204-exynos7870-i2c-v1-2-63d67871ab7e@disroot.org
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Add samsung,exynos8895-hsi2c dedicated compatible for representing
I2C of Exynos8895 SoC. Since there are I2C buses that aren't implemented
as a part of USIv1 blocks, they only require a single clock.
Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20241228111509.896502-2-ivo.ivanov.ivanov1@gmail.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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Add google,gs101-hsi2c dedicated compatible for representing
I2C of Google GS101 SoC.
Acked-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240119111132.1290455-3-tudor.ambarus@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the
others it reuses several devices from older designs. Historically we
kept the old (block's) compatible only. This works fine and there is no
bug here, however guidelines expressed in
Documentation/devicetree/bindings/writing-bindings.rst state that:
1. Compatibles should be specific.
2. We should add new compatibles in case of bugs or features.
Add Tesla FSD compatible specific to be used with an existing fallback.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20231205092229.19135-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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Samsung Exynos SoC reuses several devices from older designs, thus
historically we kept the old (block's) compatible only. This works fine
and there is no bug here, however guidelines expressed in
Documentation/devicetree/bindings/writing-bindings.rst state that:
1. Compatibles should be specific.
2. We should add new compatibles in case of bugs or features.
Add compatibles specific to each SoC in front of all old-SoC-like
compatibles.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
Link: https://lore.kernel.org/r/20231108104343.24192-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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Krzysztof Kozlowski's @canonical.com email stopped working, so switch to
generic @kernel.org account for all Devicetree bindings.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20220330074016.12896-2-krzysztof.kozlowski@linaro.org
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In new Exynos SoCs (like Exynos850) where HSI2C is implemented as a
part of USIv2 block, there are two clocks provided to HSI2C controller:
- PCLK: bus clock (APB), provides access to register interface
- IPCLK: operating IP-core clock; SCL is derived from this one
Both clocks have to be asserted for HSI2C to be functional in that case.
Modify bindings doc to allow specifying bus clock in addition to
already described operating clock.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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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@samsung.com>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Convert Samsung Exynos High Speed I2C bindings doc to DT schema format.
Changes during bindings conversion:
1. Added missing required clock properties (driver fails when it's
unable to get the clock)
2. Removed properties and descriptions that can be found in
schemas/i2c/i2c-controller.yaml [1]
3. Fixed the example so it can be validated by dtschema
[1] https://github.com/robherring/dt-schema/blob/master/schemas/i2c/i2c-controller.yaml
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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