[PATCH 1/2] clk: imx8qxp: extend to support getting I2C IPG clock

Peng Fan peng.fan at nxp.com
Fri Jan 10 02:13:33 CET 2020


> Subject: [PATCH 1/2] clk: imx8qxp: extend to support getting I2C IPG clock
> 
> Since commit d02be21d3004 ("i2c: imx_lpi2c: add ipg clk") getting I2C clocks
> doesn't work. Add I2C IPG clock IDs to related switch statements to fix it.
> 
> Signed-off-by: Anatolij Gustschin <agust at denx.de>
> Cc: Lukasz Majewski <lukma at denx.de>

Reviewed-by: Peng Fan <peng.fan at nxp.com>

> ---
>  drivers/clk/imx/clk-imx8qxp.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/clk/imx/clk-imx8qxp.c b/drivers/clk/imx/clk-imx8qxp.c
> index 1fca36a..0db4539 100644
> --- a/drivers/clk/imx/clk-imx8qxp.c
> +++ b/drivers/clk/imx/clk-imx8qxp.c
> @@ -56,18 +56,22 @@ ulong imx8_clk_get_rate(struct clk *clk)
>  		pm_clk = SC_PM_CLK_CPU;
>  		break;
>  	case IMX8QXP_I2C0_CLK:
> +	case IMX8QXP_I2C0_IPG_CLK:
>  		resource = SC_R_I2C_0;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C1_CLK:
> +	case IMX8QXP_I2C1_IPG_CLK:
>  		resource = SC_R_I2C_1;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C2_CLK:
> +	case IMX8QXP_I2C2_IPG_CLK:
>  		resource = SC_R_I2C_2;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C3_CLK:
> +	case IMX8QXP_I2C3_IPG_CLK:
>  		resource = SC_R_I2C_3;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
> @@ -145,18 +149,22 @@ ulong imx8_clk_set_rate(struct clk *clk, unsigned
> long rate)
> 
>  	switch (clk->id) {
>  	case IMX8QXP_I2C0_CLK:
> +	case IMX8QXP_I2C0_IPG_CLK:
>  		resource = SC_R_I2C_0;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C1_CLK:
> +	case IMX8QXP_I2C1_IPG_CLK:
>  		resource = SC_R_I2C_1;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C2_CLK:
> +	case IMX8QXP_I2C2_IPG_CLK:
>  		resource = SC_R_I2C_2;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C3_CLK:
> +	case IMX8QXP_I2C3_IPG_CLK:
>  		resource = SC_R_I2C_3;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
> @@ -234,18 +242,22 @@ int __imx8_clk_enable(struct clk *clk, bool enable)
> 
>  	switch (clk->id) {
>  	case IMX8QXP_I2C0_CLK:
> +	case IMX8QXP_I2C0_IPG_CLK:
>  		resource = SC_R_I2C_0;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C1_CLK:
> +	case IMX8QXP_I2C1_IPG_CLK:
>  		resource = SC_R_I2C_1;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C2_CLK:
> +	case IMX8QXP_I2C2_IPG_CLK:
>  		resource = SC_R_I2C_2;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
>  	case IMX8QXP_I2C3_CLK:
> +	case IMX8QXP_I2C3_IPG_CLK:
>  		resource = SC_R_I2C_3;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
> --
> 2.7.4



More information about the U-Boot mailing list