[PATCH] clk: imx8mp: add clkout1/2 support

[Abel Vesa]

On 22-04-27 18:21:31, Lucas Stach wrote:
> clkout1 and clkout2 allow to supply clocks from the SoC to the board,
> which is used by some board designs to provide reference clocks.
>
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

Reviewed-by: Abel Vesa <abel.vesa at nxp.com>

> ---
>  drivers/clk/imx/clk-imx8mp.c             | 14 ++++++++++++++
>  include/dt-bindings/clock/imx8mp-clock.h |  9 ++++++++-
>  2 files changed, 22 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c
> index 18f5b7c3ca9d..48099a2ed6b2 100644
> --- a/drivers/clk/imx/clk-imx8mp.c
> +++ b/drivers/clk/imx/clk-imx8mp.c
> @@ -399,6 +399,11 @@ static const char * const imx8mp_sai7_sels[] = {"osc_24m", "audio_pll1_out", "au
>
>  static const char * const imx8mp_dram_core_sels[] = {"dram_pll_out", "dram_alt_root", };
>
> +static const char * const imx8mp_clkout_sels[] = {"audio_pll1_out", "audio_pll2_out", "video_pll1_out",
> +						  "dummy", "dummy", "gpu_pll_out", "vpu_pll_out",
> +						  "arm_pll_out", "sys_pll1", "sys_pll2", "sys_pll3",
> +						  "dummy", "dummy", "osc_24m", "dummy", "osc_32k"};
> +
>  static struct clk_hw **hws;
>  static struct clk_hw_onecell_data *clk_hw_data;
>
> @@ -504,6 +509,15 @@ static int imx8mp_clocks_probe(struct platform_device *pdev)
>  	hws[IMX8MP_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_out", 1, 2);
>  	hws[IMX8MP_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1);
>
> +	hws[IMX8MP_CLK_CLKOUT1_SEL] = imx_clk_hw_mux2("clkout1_sel", anatop_base + 0x128, 4, 4,
> +						      imx8mp_clkout_sels, ARRAY_SIZE(imx8mp_clkout_sels));
> +	hws[IMX8MP_CLK_CLKOUT1_DIV] = imx_clk_hw_divider("clkout1_div", "clkout1_sel", anatop_base + 0x128, 0, 4);
> +	hws[IMX8MP_CLK_CLKOUT1] = imx_clk_hw_gate("clkout1", "clkout1_div", anatop_base + 0x128, 8);
> +	hws[IMX8MP_CLK_CLKOUT2_SEL] = imx_clk_hw_mux2("clkout2_sel", anatop_base + 0x128, 20, 4,
> +						      imx8mp_clkout_sels, ARRAY_SIZE(imx8mp_clkout_sels));
> +	hws[IMX8MP_CLK_CLKOUT2_DIV] = imx_clk_hw_divider("clkout2_div", "clkout2_sel", anatop_base + 0x128, 16, 4);
> +	hws[IMX8MP_CLK_CLKOUT2] = imx_clk_hw_gate("clkout2", "clkout2_div", anatop_base + 0x128, 24);
> +
>  	hws[IMX8MP_CLK_A53_DIV] = imx8m_clk_hw_composite_core("arm_a53_div", imx8mp_a53_sels, ccm_base + 0x8000);
>  	hws[IMX8MP_CLK_A53_SRC] = hws[IMX8MP_CLK_A53_DIV];
>  	hws[IMX8MP_CLK_A53_CG] = hws[IMX8MP_CLK_A53_DIV];
> diff --git a/include/dt-bindings/clock/imx8mp-clock.h b/include/dt-bindings/clock/imx8mp-clock.h
> index 235c7a00d379..7a6b45a04c24 100644
> --- a/include/dt-bindings/clock/imx8mp-clock.h
> +++ b/include/dt-bindings/clock/imx8mp-clock.h
> @@ -318,7 +318,14 @@
>  #define IMX8MP_CLK_HSIO_AXI			311
>  #define IMX8MP_CLK_MEDIA_ISP			312
>
> -#define IMX8MP_CLK_END				313
> +#define IMX8MP_CLK_CLKOUT1_SEL			313
> +#define IMX8MP_CLK_CLKOUT1_DIV			314
> +#define IMX8MP_CLK_CLKOUT1			315
> +#define IMX8MP_CLK_CLKOUT2_SEL			316
> +#define IMX8MP_CLK_CLKOUT2_DIV			317
> +#define IMX8MP_CLK_CLKOUT2			318
> +
> +#define IMX8MP_CLK_END				319
>
>  #define IMX8MP_CLK_AUDIOMIX_SAI1_IPG		0
>  #define IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1		1
> --
> 2.30.2
>