[U-Boot] [PATCH 3/6] clk: imx8qm: fix usdhc2 clocks

[Max Krummenacher <max.krummenacher@toradex.com>]

Reviewed-by: Max Krummenacher <max.krummenacher@toradex.com>

On Tue, 2019-04-30 at 12:06 +0200, Marcel Ziswiler wrote:
> Trying to bring up uSDHC2 the following error message was observed:
> 
> MMC:   imx8_clk_set_rate(Invalid clk ID #60)
> imx8_clk_set_rate(Invalid clk ID #60)
> usdhc at 5b030000 - probe failed: -22
> 
> This commit fixes this by properly setting resp. clocks.
> 
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
> 
> ---
> 
>  drivers/clk/imx/clk-imx8qm.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/drivers/clk/imx/clk-imx8qm.c b/drivers/clk/imx/clk-imx8qm.c
> index 6b5561e178..a6b09d2109 100644
> --- a/drivers/clk/imx/clk-imx8qm.c
> +++ b/drivers/clk/imx/clk-imx8qm.c
> @@ -80,6 +80,12 @@ ulong imx8_clk_get_rate(struct clk *clk)
>  		resource = SC_R_SDHC_1;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
> +	case IMX8QM_SDHC2_IPG_CLK:
> +	case IMX8QM_SDHC2_CLK:
> +	case IMX8QM_SDHC2_DIV:
> +		resource = SC_R_SDHC_2;
> +		pm_clk = SC_PM_CLK_PER;
> +		break;
>  	case IMX8QM_UART0_IPG_CLK:
>  	case IMX8QM_UART0_CLK:
>  		resource = SC_R_UART_0;
> @@ -185,6 +191,12 @@ ulong imx8_clk_set_rate(struct clk *clk, unsigned long rate)
>  		resource = SC_R_SDHC_1;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
> +	case IMX8QM_SDHC2_IPG_CLK:
> +	case IMX8QM_SDHC2_CLK:
> +	case IMX8QM_SDHC2_DIV:
> +		resource = SC_R_SDHC_2;
> +		pm_clk = SC_PM_CLK_PER;
> +		break;
>  	case IMX8QM_ENET0_IPG_CLK:
>  	case IMX8QM_ENET0_AHB_CLK:
>  	case IMX8QM_ENET0_REF_DIV:
> @@ -273,6 +285,12 @@ int __imx8_clk_enable(struct clk *clk, bool enable)
>  		resource = SC_R_SDHC_1;
>  		pm_clk = SC_PM_CLK_PER;
>  		break;
> +	case IMX8QM_SDHC2_IPG_CLK:
> +	case IMX8QM_SDHC2_CLK:
> +	case IMX8QM_SDHC2_DIV:
> +		resource = SC_R_SDHC_2;
> +		pm_clk = SC_PM_CLK_PER;
> +		break;
>  	case IMX8QM_ENET0_IPG_CLK:
>  	case IMX8QM_ENET0_AHB_CLK:
>  	case IMX8QM_ENET0_REF_DIV: