diff options
Diffstat (limited to 'arch/arm/mach-versatile/core.c')
-rw-r--r-- | arch/arm/mach-versatile/core.c | 56 |
1 files changed, 48 insertions, 8 deletions
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index a3f1933434e2..1c43494f5c42 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -31,6 +31,7 @@ #include <linux/cnt32_to_63.h> #include <linux/io.h> +#include <asm/clkdev.h> #include <asm/system.h> #include <mach/hardware.h> #include <asm/irq.h> @@ -373,22 +374,60 @@ static const struct icst307_params versatile_oscvco_params = { static void versatile_oscvco_set(struct clk *clk, struct icst307_vco vco) { - void __iomem *sys_lock = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LOCK_OFFSET; - void __iomem *sys_osc = __io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_OSCCLCD_OFFSET; + void __iomem *sys = __io_address(VERSATILE_SYS_BASE); + void __iomem *sys_lock = sys + VERSATILE_SYS_LOCK_OFFSET; u32 val; - val = readl(sys_osc) & ~0x7ffff; + val = readl(sys + clk->oscoff) & ~0x7ffff; val |= vco.v | (vco.r << 9) | (vco.s << 16); writel(0xa05f, sys_lock); - writel(val, sys_osc); + writel(val, sys + clk->oscoff); writel(0, sys_lock); } -static struct clk versatile_clcd_clk = { - .name = "CLCDCLK", +static struct clk osc4_clk = { .params = &versatile_oscvco_params, - .setvco = versatile_oscvco_set, + .oscoff = VERSATILE_SYS_OSCCLCD_OFFSET, + .setvco = versatile_oscvco_set, +}; + +/* + * These are fixed clocks. + */ +static struct clk ref24_clk = { + .rate = 24000000, +}; + +static struct clk_lookup lookups[] __initdata = { + { /* UART0 */ + .dev_id = "dev:f1", + .clk = &ref24_clk, + }, { /* UART1 */ + .dev_id = "dev:f2", + .clk = &ref24_clk, + }, { /* UART2 */ + .dev_id = "dev:f3", + .clk = &ref24_clk, + }, { /* UART3 */ + .dev_id = "fpga:09", + .clk = &ref24_clk, + }, { /* KMI0 */ + .dev_id = "fpga:06", + .clk = &ref24_clk, + }, { /* KMI1 */ + .dev_id = "fpga:07", + .clk = &ref24_clk, + }, { /* MMC0 */ + .dev_id = "fpga:05", + .clk = &ref24_clk, + }, { /* MMC1 */ + .dev_id = "fpga:0b", + .clk = &ref24_clk, + }, { /* CLCD */ + .dev_id = "dev:20", + .clk = &osc4_clk, + } }; /* @@ -786,7 +825,8 @@ void __init versatile_init(void) { int i; - clk_register(&versatile_clcd_clk); + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); platform_device_register(&versatile_flash_device); platform_device_register(&versatile_i2c_device); |