On 26/05/2026 10:58, Balaji Selvanathan wrote:
> Add support for SDCC1 (eMMC) clock on SA8775P platform.
>
> Signed-off-by: Balaji Selvanathan <[email protected]>
Reviewed-by: Casey Connolly <[email protected]>
> ---
> drivers/clk/qcom/clock-sa8775p.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/drivers/clk/qcom/clock-sa8775p.c
> b/drivers/clk/qcom/clock-sa8775p.c
> index 4957abf6f58..0ec4ad041c6 100644
> --- a/drivers/clk/qcom/clock-sa8775p.c
> +++ b/drivers/clk/qcom/clock-sa8775p.c
> @@ -44,6 +44,22 @@
>
> #define GCC_QUPV3_WRAP3_S0_CLK_ENA_BIT BIT(25)
>
> +#define SDCC1_APPS_CLK_CMD_RCGR 0x20014
> +
> +/* SDCC1 APPS clock frequency table */
> +static const struct freq_tbl ftbl_gcc_sdcc1_apps_clk_src[] = {
> + F(144000, CFG_CLK_SRC_CXO, 16, 3, 25),
> + F(400000, CFG_CLK_SRC_CXO, 12, 1, 4),
> + F(19200000, CFG_CLK_SRC_CXO, 1, 0, 0),
> + F(20000000, CFG_CLK_SRC_GPLL0_EVEN, 5, 1, 3),
> + F(25000000, CFG_CLK_SRC_GPLL0_EVEN, 12, 0, 0),
> + F(50000000, CFG_CLK_SRC_GPLL0_EVEN, 6, 0, 0),
> + F(100000000, CFG_CLK_SRC_GPLL0_EVEN, 3, 0, 0),
> + F(192000000, CFG_CLK_SRC_GPLL9, 4, 0, 0),
> + F(384000000, CFG_CLK_SRC_GPLL9, 2, 0, 0),
> + { }
> +};
> +
> static ulong sa8775p_set_rate(struct clk *clk, ulong rate)
> {
> struct msm_clk_priv *priv = dev_get_priv(clk->dev);
> @@ -63,6 +79,11 @@ static ulong sa8775p_set_rate(struct clk *clk, ulong rate)
> 5, 0, 0, CFG_CLK_SRC_GPLL0, 8);
> clk_rcg_set_rate(priv->base, USB3_PRIM_PHY_AUX_CMD_RCGR, 0, 0);
> return rate;
> + case GCC_SDCC1_APPS_CLK:
> + freq = qcom_find_freq(ftbl_gcc_sdcc1_apps_clk_src, rate);
> + clk_rcg_set_rate_mnd(priv->base, SDCC1_APPS_CLK_CMD_RCGR,
> + freq->pre_div, freq->m, freq->n,
> freq->src, 8);
> + return freq->freq;
> default:
> return 0;
> }
> @@ -106,6 +127,10 @@ static const struct gate_clk sa8775p_clks[] = {
>
> /* QUP Wrapper 3 clocks */
> GATE_CLK(GCC_QUPV3_WRAP3_S0_CLK, 0x4b000,
> GCC_QUPV3_WRAP3_S0_CLK_ENA_BIT),
> +
> + /* SDCC1 clocks */
> + GATE_CLK(GCC_SDCC1_AHB_CLK, 0x2000c, 1),
> + GATE_CLK(GCC_SDCC1_APPS_CLK, 0x20004, 1),
> };
>
> static int sa8775p_enable(struct clk *clk)
>
> ---
> base-commit: 76d62273bc8a5dc126ed79ed0fb65e5a97359577
> change-id: 20260526-mmc-328c4d2c9055
>
> Best regards,
--
// Casey (she/her)
