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authorCaleb Connolly2024-04-03 14:07:42 +0200
committerCaleb Connolly2024-04-04 17:46:46 +0200
commit491a9815775487412b7cf628f7113f3f542d0b49 (patch)
treee638f9a128c952fa7d5c3be06df6c2cf28cf59a6 /drivers/clk/qcom
parentf2c3708b9c473650127ff8d9e101d9c15a5d7e64 (diff)
clk/qcom: sdm845: add USB clocks
Most devices only initialise the USB clocks for us if we boot via "fastboot boot", add the missing clock configuration to get both USB ports working regardless of the bootloader state. Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Diffstat (limited to 'drivers/clk/qcom')
-rw-r--r--drivers/clk/qcom/clock-sdm845.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/clk/qcom/clock-sdm845.c b/drivers/clk/qcom/clock-sdm845.c
index b7154360894..e9c61eb480d 100644
--- a/drivers/clk/qcom/clock-sdm845.c
+++ b/drivers/clk/qcom/clock-sdm845.c
@@ -21,6 +21,10 @@
#define SE9_UART_APPS_CMD_RCGR 0x18148
+#define USB30_PRIM_MASTER_CLK_CMD_RCGR 0xf018
+#define USB30_PRIM_MOCK_UTMI_CLK_CMD_RCGR 0xf030
+#define USB3_PRIM_PHY_AUX_CMD_RCGR 0xf05c
+
static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s0_clk_src[] = {
F(7372800, CFG_CLK_SRC_GPLL0_EVEN, 1, 384, 15625),
F(14745600, CFG_CLK_SRC_GPLL0_EVEN, 1, 768, 15625),
@@ -57,6 +61,8 @@ static ulong sdm845_clk_set_rate(struct clk *clk, ulong rate)
}
static const struct gate_clk sdm845_clks[] = {
+ GATE_CLK(GCC_AGGRE_USB3_SEC_AXI_CLK, 0x82020, 0x00000001),
+ GATE_CLK(GCC_CFG_NOC_USB3_SEC_AXI_CLK, 0x05030, 0x00000001),
GATE_CLK(GCC_QUPV3_WRAP0_S0_CLK, 0x5200c, 0x00000400),
GATE_CLK(GCC_QUPV3_WRAP0_S1_CLK, 0x5200c, 0x00000800),
GATE_CLK(GCC_QUPV3_WRAP0_S2_CLK, 0x5200c, 0x00001000),
@@ -121,6 +127,25 @@ static int sdm845_clk_enable(struct clk *clk)
debug("%s: clk %s\n", __func__, sdm845_clks[clk->id].name);
+ switch (clk->id) {
+ case GCC_USB30_PRIM_MASTER_CLK:
+ qcom_gate_clk_en(priv, GCC_USB_PHY_CFG_AHB2PHY_CLK);
+ /* These numbers are just pulled from the frequency tables in the Linux driver */
+ clk_rcg_set_rate_mnd(priv->base, USB30_PRIM_MASTER_CLK_CMD_RCGR,
+ (4.5 * 2) - 1, 0, 0, 1 << 8, 8);
+ clk_rcg_set_rate_mnd(priv->base, USB30_PRIM_MOCK_UTMI_CLK_CMD_RCGR,
+ 1, 0, 0, 0, 8);
+ clk_rcg_set_rate_mnd(priv->base, USB3_PRIM_PHY_AUX_CMD_RCGR,
+ 1, 0, 0, 0, 8);
+ break;
+ case GCC_USB30_SEC_MASTER_CLK:
+ qcom_gate_clk_en(priv, GCC_USB3_SEC_PHY_AUX_CLK);
+
+ qcom_gate_clk_en(priv, GCC_USB3_SEC_CLKREF_CLK);
+ qcom_gate_clk_en(priv, GCC_USB3_SEC_PHY_COM_AUX_CLK);
+ break;
+ }
+
qcom_gate_clk_en(priv, clk->id);
return 0;