Add support for USB controller and PHY clocks for QCS404 SoC.
Signed-off-by: Sumit Garg sumit.garg@linaro.org --- arch/arm/mach-snapdragon/clock-qcs404.c | 35 +++++++++++++++++++ .../include/mach/sysmap-qcs404.h | 17 +++++++++ 2 files changed, 52 insertions(+)
diff --git a/arch/arm/mach-snapdragon/clock-qcs404.c b/arch/arm/mach-snapdragon/clock-qcs404.c index 230d7779a7..6fe92afe8d 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 4dc96b9fbc..e448faad2d 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