[PATCH v2 RESEND 5/8] i2c: exynos5: Add bus clock support

Wolfram Sang wsa at kernel.org
Thu Dec 9 01:11:52 PST 2021


On Sat, Dec 04, 2021 at 11:58:17PM +0200, Sam Protsenko wrote:
> 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.
> 
> Add code to obtain and enable/disable PCLK in addition to already
> handled operating clock. Make it optional though, as older Exynos SoC
> variants only have one HSI2C clock.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>
> Reviewed-by: Chanho Park <chanho61.park at samsung.com>

This one doesn't apply here? What tree is this based on?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20211209/aef320bb/attachment-0001.sig>


More information about the linux-arm-kernel mailing list