Add support for SDCC1 (eMMC) clock on SA8775P platform.
Signed-off-by: Balaji Selvanathan <[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,
--
Balaji Selvanathan <[email protected]>
