OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

ARM: imx: clk-vf610: Add USBPHY clocks 

This commit adds PLL7 which is required for USBPHY1. It also adds
the USB PHY and USB Controller clocks and the gates to enable them.

Acked-by: Jingchang Lu <jingchang.lu@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
This commit is contained in:
Stefan Agner 2014-08-18 22:07:12 +02:00 committed by Shawn Guo
parent 47526e410d
commit 21231f81f1
2 changed files with 14 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
arch/arm/mach-imx/clk-vf610.c
View File

@ -58,6 +58,8 @@
#define PFD_PLL1_BASE (anatop_base + 0x2b0)
#define PFD_PLL2_BASE (anatop_base + 0x100)
#define PFD_PLL3_BASE (anatop_base + 0xf0)
#define PLL3_CTRL (anatop_base + 0x10)
#define PLL7_CTRL (anatop_base + 0x20)
static void __iomem *anatop_base;
static void __iomem *ccm_base;
@ -154,6 +156,9 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_PLL5_MAIN] = imx_clk_fixed_factor("pll5_main", "fast_clk_sel", 125, 6);
/* pll6: default 960Mhz */
clk[VF610_CLK_PLL6_MAIN] = imx_clk_fixed_factor("pll6_main", "fast_clk_sel", 40, 1);
/* pll7: USB1 PLL at 480MHz */
clk[VF610_CLK_PLL7_MAIN] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_main", "fast_clk_sel", PLL7_CTRL, 0x2);
clk[VF610_CLK_PLL1_PFD_SEL] = imx_clk_mux("pll1_pfd_sel", CCM_CCSR, 16, 3, pll1_sels, 5);
clk[VF610_CLK_PLL2_PFD_SEL] = imx_clk_mux("pll2_pfd_sel", CCM_CCSR, 19, 3, pll2_sels, 5);
clk[VF610_CLK_SYS_SEL] = imx_clk_mux("sys_sel", CCM_CCSR, 0, 3, sys_sels, ARRAY_SIZE(sys_sels));
@ -166,8 +171,11 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_main_div", "pll4_main", 0, CCM_CACRR, 6, 3, 0, pll4_main_div_table, &imx_ccm_lock);
clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_main_div", "pll6_main", CCM_CACRR, 21, 1);
clk[VF610_CLK_USBC0] = imx_clk_gate2("usbc0", "pll3_main", CCM_CCGR1, CCM_CCGRx_CGn(4));
clk[VF610_CLK_USBC1] = imx_clk_gate2("usbc1", "pll3_main", CCM_CCGR7, CCM_CCGRx_CGn(4));
clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_main", PLL3_CTRL, 6);
clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_main", PLL7_CTRL, 6);
clk[VF610_CLK_USBC0] = imx_clk_gate2("usbc0", "ipg_bus", CCM_CCGR1, CCM_CCGRx_CGn(4));
clk[VF610_CLK_USBC1] = imx_clk_gate2("usbc1", "ipg_bus", CCM_CCGR7, CCM_CCGRx_CGn(4));
clk[VF610_CLK_QSPI0_SEL] = imx_clk_mux("qspi0_sel", CCM_CSCMR1, 22, 2, qspi_sels, 4);
clk[VF610_CLK_QSPI0_EN] = imx_clk_gate("qspi0_en", "qspi0_sel", CCM_CSCDR3, 4);

5
include/dt-bindings/clock/vf610-clock.h
View File

@ -166,6 +166,9 @@
#define VF610_CLK_DMAMUX3 153
#define VF610_CLK_FLEXCAN0_EN 154
#define VF610_CLK_FLEXCAN1_EN 155
#define VF610_CLK_END 156
#define VF610_CLK_PLL7_MAIN 156
#define VF610_CLK_USBPHY0 157
#define VF610_CLK_USBPHY1 158
#define VF610_CLK_END 159
#endif /* __DT_BINDINGS_CLOCK_VF610_H */