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authorSumit Garg <sumit.garg@linaro.org>2022-08-04 19:57:15 +0530
committerTom Rini <trini@konsulko.com>2022-08-26 10:55:45 -0400
commit968597b85c9ac6331a64d9b3584672d9f48c4a11 (patch)
tree821bb0207aecd19a6703318f42f3596c26943a2f /arch/arm/mach-snapdragon
parentc9e384e9b6f32070b2c4ac51b2315e5719765811 (diff)
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clocks: qcs404: Add support for USB clocks
Add support for USB controller and PHY clocks for QCS404 SoC. Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Diffstat (limited to 'arch/arm/mach-snapdragon')
-rw-r--r--arch/arm/mach-snapdragon/clock-qcs404.c35
-rw-r--r--arch/arm/mach-snapdragon/include/mach/sysmap-qcs404.h17
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-snapdragon/clock-qcs404.c b/arch/arm/mach-snapdragon/clock-qcs404.c
index 230d777..6fe92af 100644
--- a/arch/arm/mach-snapdragon/clock-qcs404.c
+++ b/arch/arm/mach-snapdragon/clock-qcs404.c
@@ -47,6 +47,14 @@ static struct pll_vote_clk gpll0_vote_clk = {
.vote_bit = BIT(0),
};
+static const struct bcr_regs usb30_master_regs = {
+ .cfg_rcgr = USB30_MASTER_CFG_RCGR,
+ .cmd_rcgr = USB30_MASTER_CMD_RCGR,
+ .M = USB30_MASTER_M,
+ .N = USB30_MASTER_N,
+ .D = USB30_MASTER_D,
+};
+
ulong msm_set_rate(struct clk *clk, ulong rate)
{
struct msm_clk_priv *priv = dev_get_priv(clk->dev);
@@ -80,5 +88,32 @@ ulong msm_set_rate(struct clk *clk, ulong rate)
int msm_enable(struct clk *clk)
{
+ struct msm_clk_priv *priv = dev_get_priv(clk->dev);
+
+ switch (clk->id) {
+ case GCC_USB30_MASTER_CLK:
+ clk_enable_cbc(priv->base + USB30_MASTER_CBCR);
+ clk_rcg_set_rate_mnd(priv->base, &usb30_master_regs, 4, 0, 0,
+ CFG_CLK_SRC_GPLL0);
+ break;
+ case GCC_SYS_NOC_USB3_CLK:
+ clk_enable_cbc(priv->base + SYS_NOC_USB3_CBCR);
+ break;
+ case GCC_USB30_SLEEP_CLK:
+ clk_enable_cbc(priv->base + USB30_SLEEP_CBCR);
+ break;
+ case GCC_USB30_MOCK_UTMI_CLK:
+ clk_enable_cbc(priv->base + USB30_MOCK_UTMI_CBCR);
+ break;
+ case GCC_USB_HS_PHY_CFG_AHB_CLK:
+ clk_enable_cbc(priv->base + USB_HS_PHY_CFG_AHB_CBCR);
+ break;
+ case GCC_USB2A_PHY_SLEEP_CLK:
+ clk_enable_cbc(priv->base + USB_HS_PHY_CFG_AHB_CBCR);
+ break;
+ default:
+ return 0;
+ }
+
return 0;
}
diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-qcs404.h b/arch/arm/mach-snapdragon/include/mach/sysmap-qcs404.h
index 4dc96b9..e448faa 100644
--- a/arch/arm/mach-snapdragon/include/mach/sysmap-qcs404.h
+++ b/arch/arm/mach-snapdragon/include/mach/sysmap-qcs404.h
@@ -37,4 +37,21 @@
#define SDCC_APPS_CBCR(n) (((n) * 0x1000) + 0x41018)
#define SDCC_AHB_CBCR(n) (((n) * 0x1000) + 0x4101C)
+/* USB-3.0 controller clock control registers */
+#define SYS_NOC_USB3_CBCR (0x26014)
+#define USB30_BCR (0x39000)
+#define USB3PHY_BCR (0x39008)
+#define USB30_MASTER_CBCR (0x3900C)
+#define USB30_SLEEP_CBCR (0x39010)
+#define USB30_MOCK_UTMI_CBCR (0x39014)
+#define USB30_MOCK_UTMI_CMD_RCGR (0x3901C)
+#define USB30_MOCK_UTMI_CFG_RCGR (0x39020)
+#define USB30_MASTER_CMD_RCGR (0x39028)
+#define USB30_MASTER_CFG_RCGR (0x3902C)
+#define USB30_MASTER_M (0x39030)
+#define USB30_MASTER_N (0x39034)
+#define USB30_MASTER_D (0x39038)
+#define USB2A_PHY_SLEEP_CBCR (0x4102C)
+#define USB_HS_PHY_CFG_AHB_CBCR (0x41030)
+
#endif