On 2017/4/22 11:23, Hanjun Guo wrote:
> From: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
>
> I2C clock frequency of Designware ip for Hisilicon Hip07 is 200M,
> but 250M for Hip08, use two ACPI IDs to differentiate them.
It is valuable to support i2c on hisilicon D0x board, Hip05/06/07 using same clock frequency,
it should have their own ACPI ID. For both two patches,
Reviewed-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
>
> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
> ---
> drivers/acpi/acpi_apd.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
> index 26696b6..8f57648 100644
> --- a/drivers/acpi/acpi_apd.c
> +++ b/drivers/acpi/acpi_apd.c
> @@ -106,6 +106,16 @@ static int acpi_apd_setup(struct apd_private_data *pdata)
> .setup = acpi_apd_setup,
> .fixed_clk_rate = 133000000,
> };
> +
> +static const struct apd_device_desc hip07_i2c_desc = {
> + .setup = acpi_apd_setup,
> + .fixed_clk_rate = 200000000,
> +};
> +
> +static const struct apd_device_desc hip08_i2c_desc = {
> + .setup = acpi_apd_setup,
> + .fixed_clk_rate = 250000000,
> +};
> #endif
>
> #else
> @@ -169,6 +179,8 @@ static int acpi_apd_create_device(struct acpi_device *adev,
> #ifdef CONFIG_ARM64
> { "APMC0D0F", APD_ADDR(xgene_i2c_desc) },
> { "BRCM900D", APD_ADDR(vulcan_spi_desc) },
> + { "HISI0A21", APD_ADDR(hip07_i2c_desc) },
> + { "HISI0A22", APD_ADDR(hip08_i2c_desc) },
> #endif
> { }
> };
>
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