On 22-08-15 09:30:39, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@xxxxxxx>
>
> The clk topology is as below:
> bus_aon_root------>\ /--->SAI IPG
> -->SAI LPCG gate-->
> sai[x]_clk_root--->/ \--->SAI MCLK
>
> So use shared count as i.MX93 MU_B gate.
>
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> ---
> drivers/clk/imx/clk-imx93.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
> index 4008ab075dfe..6a76b9fdf18d 100644
> --- a/drivers/clk/imx/clk-imx93.c
> +++ b/drivers/clk/imx/clk-imx93.c
> @@ -28,6 +28,9 @@ enum clk_sel {
> MAX_SEL
> };
>
> +static u32 share_count_sai1;
> +static u32 share_count_sai2;
> +static u32 share_count_sai3;
> static u32 share_count_mub;
>
> static const char *parent_names[MAX_SEL][4] = {
> @@ -215,9 +218,12 @@ static const struct imx93_clk_ccgr {
> { IMX93_CLK_USDHC1_GATE, "usdhc1", "usdhc1_root", 0x9380, },
> { IMX93_CLK_USDHC2_GATE, "usdhc2", "usdhc2_root", 0x93c0, },
> { IMX93_CLK_USDHC3_GATE, "usdhc3", "usdhc3_root", 0x9400, },
> - { IMX93_CLK_SAI1_GATE, "sai1", "sai1_root", 0x9440, },
> - { IMX93_CLK_SAI2_GATE, "sai2", "sai2_root", 0x9480, },
> - { IMX93_CLK_SAI3_GATE, "sai3", "sai3_root", 0x94c0, },
> + { IMX93_CLK_SAI1_GATE, "sai1", "sai1_root", 0x9440, 0, &share_count_sai1},
> + { IMX93_CLK_SAI1_IPG, "sai1_ipg_clk", "bus_aon_root", 0x9440, 0, &share_count_sai1},
> + { IMX93_CLK_SAI2_GATE, "sai2", "sai2_root", 0x9480, 0, &share_count_sai2},
> + { IMX93_CLK_SAI2_IPG, "sai2_ipg_clk", "bus_wakeup_root", 0x9480, 0, &share_count_sai2},
> + { IMX93_CLK_SAI3_GATE, "sai3", "sai3_root", 0x94c0, 0, &share_count_sai3},
> + { IMX93_CLK_SAI3_IPG, "sai3_ipg_clk", "bus_wakeup_root", 0x94c0, 0, &share_count_sai3},
> { IMX93_CLK_MIPI_CSI_GATE, "mipi_csi", "media_apb_root", 0x9580, },
> { IMX93_CLK_MIPI_DSI_GATE, "mipi_dsi", "media_apb_root", 0x95c0, },
> { IMX93_CLK_LVDS_GATE, "lvds", "media_ldb_root", 0x9600, },
> --
> 2.37.1
>
