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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 18:36:03 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 18:36:03 (GMT) |
commit | 7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639 (patch) | |
tree | da9aaa5a246af464b1e10d88618c1cad07b76314 /arch/sh/kernel/cpu/sh4a/clock-sh7722.c | |
parent | ba0234ec35127fe21d373db53cbaf9fe20620cb6 (diff) | |
parent | 4d0956b8f597aac10208ca763f8fe641fde16aab (diff) | |
download | linux-fsl-qoriq-7c7cbaf5b82c418cd3b1dcf718f71d0e6057e639.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (127 commits)
sh: update defconfigs.
sh: Fix up the NUMA build for recent LMB changes.
sh64: provide a stub per_cpu_trap_init() definition.
sh: fix up CONFIG_KEXEC=n build.
sh: fixup the docbook paths for clock framework shuffling.
driver core: Early dev_name() depends on slab_is_available().
sh: simplify WARN usage in SH clock driver
sh: Check return value of clk_get on ms7724
sh: Check return value of clk_get on ecovec24
sh: move sh clock-cpg.c contents to drivers/sh/clk-cpg.c
sh: move sh clock.c contents to drivers/sh/clk.
sh: move sh asm/clock.h contents to linux/sh_clk.h V2
sh: remove unused clock lookup
sh: switch boards to clkdev
sh: switch sh4-202 to clkdev
sh: switch shx3 to clkdev
sh: switch sh7757 to clkdev
sh: switch sh7763 to clkdev
sh: switch sh7780 to clkdev
sh: switch sh7786 to clkdev
...
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/clock-sh7722.c')
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7722.c | 177 |
1 files changed, 123 insertions, 54 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index 15db6d5..2030f3d 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> +#include <asm/clkdev.h> #include <asm/clock.h> #include <asm/hwblk.h> #include <cpu/sh7722.h> @@ -36,8 +37,6 @@ /* Fixed 32 KHz root clock for RTC and Power Management purposes */ static struct clk r_clk = { - .name = "rclk", - .id = -1, .rate = 32768, }; @@ -46,8 +45,6 @@ static struct clk r_clk = { * from the platform code. */ struct clk extal_clk = { - .name = "extal", - .id = -1, .rate = 33333333, }; @@ -69,8 +66,6 @@ static struct clk_ops dll_clk_ops = { }; static struct clk dll_clk = { - .name = "dll_clk", - .id = -1, .ops = &dll_clk_ops, .parent = &r_clk, .flags = CLK_ENABLE_ON_INIT, @@ -94,8 +89,6 @@ static struct clk_ops pll_clk_ops = { }; static struct clk pll_clk = { - .name = "pll_clk", - .id = -1, .ops = &pll_clk_ops, .flags = CLK_ENABLE_ON_INIT, }; @@ -121,68 +114,142 @@ static struct clk_div4_table div4_table = { .div_mult_table = &div4_div_mult_table, }; -#define DIV4(_str, _reg, _bit, _mask, _flags) \ - SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags) +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags) enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_B3, DIV4_P, DIV4_NR }; struct clk div4_clks[DIV4_NR] = { - [DIV4_I] = DIV4("cpu_clk", FRQCR, 20, 0x1fef, CLK_ENABLE_ON_INIT), - [DIV4_U] = DIV4("umem_clk", FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT), - [DIV4_SH] = DIV4("shyway_clk", FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT), - [DIV4_B] = DIV4("bus_clk", FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT), - [DIV4_B3] = DIV4("b3_clk", FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT), - [DIV4_P] = DIV4("peripheral_clk", FRQCR, 0, 0x1fff, 0), + [DIV4_I] = DIV4(FRQCR, 20, 0x1fef, CLK_ENABLE_ON_INIT), + [DIV4_U] = DIV4(FRQCR, 16, 0x1fff, CLK_ENABLE_ON_INIT), + [DIV4_SH] = DIV4(FRQCR, 12, 0x1fff, CLK_ENABLE_ON_INIT), + [DIV4_B] = DIV4(FRQCR, 8, 0x1fff, CLK_ENABLE_ON_INIT), + [DIV4_B3] = DIV4(FRQCR, 4, 0x1fff, CLK_ENABLE_ON_INIT), + [DIV4_P] = DIV4(FRQCR, 0, 0x1fff, 0), }; enum { DIV4_IRDA, DIV4_ENABLE_NR }; struct clk div4_enable_clks[DIV4_ENABLE_NR] = { - [DIV4_IRDA] = DIV4("irda_clk", IRDACLKCR, 0, 0x1fff, 0), + [DIV4_IRDA] = DIV4(IRDACLKCR, 0, 0x1fff, 0), }; enum { DIV4_SIUA, DIV4_SIUB, DIV4_REPARENT_NR }; struct clk div4_reparent_clks[DIV4_REPARENT_NR] = { - [DIV4_SIUA] = DIV4("siua_clk", SCLKACR, 0, 0x1fff, 0), - [DIV4_SIUB] = DIV4("siub_clk", SCLKBCR, 0, 0x1fff, 0), + [DIV4_SIUA] = DIV4(SCLKACR, 0, 0x1fff, 0), + [DIV4_SIUB] = DIV4(SCLKBCR, 0, 0x1fff, 0), }; -struct clk div6_clks[] = { - SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0), +enum { DIV6_V, DIV6_NR }; + +struct clk div6_clks[DIV6_NR] = { + [DIV6_V] = SH_CLK_DIV6(&pll_clk, VCLKCR, 0), +}; + +static struct clk mstp_clks[HWBLK_NR] = { + SH_HWBLK_CLK(HWBLK_URAM, &div4_clks[DIV4_U], CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK(HWBLK_XYMEM, &div4_clks[DIV4_B], CLK_ENABLE_ON_INIT), + SH_HWBLK_CLK(HWBLK_TMU, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_CMT, &r_clk, 0), + SH_HWBLK_CLK(HWBLK_RWDT, &r_clk, 0), + SH_HWBLK_CLK(HWBLK_FLCTL, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_SCIF0, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_SCIF1, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_SCIF2, &div4_clks[DIV4_P], 0), + + SH_HWBLK_CLK(HWBLK_IIC, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_RTC, &r_clk, 0), + + SH_HWBLK_CLK(HWBLK_SDHI, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_KEYSC, &r_clk, 0), + SH_HWBLK_CLK(HWBLK_USBF, &div4_clks[DIV4_P], 0), + SH_HWBLK_CLK(HWBLK_2DG, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_SIU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_VOU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_JPU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_BEU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_CEU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_VEU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_VPU, &div4_clks[DIV4_B], 0), + SH_HWBLK_CLK(HWBLK_LCDC, &div4_clks[DIV4_P], 0), }; -#define R_CLK &r_clk -#define P_CLK &div4_clks[DIV4_P] -#define B_CLK &div4_clks[DIV4_B] -#define U_CLK &div4_clks[DIV4_U] - -static struct clk mstp_clks[] = { - SH_HWBLK_CLK("uram0", -1, U_CLK, HWBLK_URAM, CLK_ENABLE_ON_INIT), - SH_HWBLK_CLK("xymem0", -1, B_CLK, HWBLK_XYMEM, CLK_ENABLE_ON_INIT), - SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU, 0), - SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0), - SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0), - SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0), - SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0), - SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0), - SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0), - - SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0), - SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0), - - SH_HWBLK_CLK("sdhi0", -1, P_CLK, HWBLK_SDHI, 0), - SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0), - SH_HWBLK_CLK("usbf0", -1, P_CLK, HWBLK_USBF, 0), - SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0), - SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0), - SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0), - SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, 0), - SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0), - SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0), - SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU, 0), - SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, 0), - SH_HWBLK_CLK("lcdc0", -1, P_CLK, HWBLK_LCDC, 0), +#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("rclk", &r_clk), + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("dll_clk", &dll_clk), + CLKDEV_CON_ID("pll_clk", &pll_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]), + CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]), + CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]), + CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]), + CLKDEV_CON_ID("b3_clk", &div4_clks[DIV4_B3]), + CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]), + CLKDEV_CON_ID("irda_clk", &div4_enable_clks[DIV4_IRDA]), + CLKDEV_CON_ID("siua_clk", &div4_reparent_clks[DIV4_SIUA]), + CLKDEV_CON_ID("siub_clk", &div4_reparent_clks[DIV4_SIUB]), + + /* DIV6 clocks */ + CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]), + + /* MSTP clocks */ + CLKDEV_CON_ID("uram0", &mstp_clks[HWBLK_URAM]), + CLKDEV_CON_ID("xymem0", &mstp_clks[HWBLK_XYMEM]), + { + /* TMU0 */ + .dev_id = "sh_tmu.0", + .con_id = "tmu_fck", + .clk = &mstp_clks[HWBLK_TMU], + }, { + /* TMU1 */ + .dev_id = "sh_tmu.1", + .con_id = "tmu_fck", + .clk = &mstp_clks[HWBLK_TMU], + }, { + /* TMU2 */ + .dev_id = "sh_tmu.2", + .con_id = "tmu_fck", + .clk = &mstp_clks[HWBLK_TMU], + }, + CLKDEV_CON_ID("cmt_fck", &mstp_clks[HWBLK_CMT]), + CLKDEV_CON_ID("rwdt0", &mstp_clks[HWBLK_RWDT]), + CLKDEV_CON_ID("flctl0", &mstp_clks[HWBLK_FLCTL]), + { + /* SCIF0 */ + .dev_id = "sh-sci.0", + .con_id = "sci_fck", + .clk = &mstp_clks[HWBLK_SCIF0], + }, { + /* SCIF1 */ + .dev_id = "sh-sci.1", + .con_id = "sci_fck", + .clk = &mstp_clks[HWBLK_SCIF1], + }, { + /* SCIF2 */ + .dev_id = "sh-sci.2", + .con_id = "sci_fck", + .clk = &mstp_clks[HWBLK_SCIF2], + }, + CLKDEV_CON_ID("i2c0", &mstp_clks[HWBLK_IIC]), + CLKDEV_CON_ID("rtc0", &mstp_clks[HWBLK_RTC]), + CLKDEV_CON_ID("sdhi0", &mstp_clks[HWBLK_SDHI]), + CLKDEV_CON_ID("keysc0", &mstp_clks[HWBLK_KEYSC]), + CLKDEV_CON_ID("usbf0", &mstp_clks[HWBLK_USBF]), + CLKDEV_CON_ID("2dg0", &mstp_clks[HWBLK_2DG]), + CLKDEV_CON_ID("siu0", &mstp_clks[HWBLK_SIU]), + CLKDEV_CON_ID("vou0", &mstp_clks[HWBLK_VOU]), + CLKDEV_CON_ID("jpu0", &mstp_clks[HWBLK_JPU]), + CLKDEV_CON_ID("beu0", &mstp_clks[HWBLK_BEU]), + CLKDEV_CON_ID("ceu0", &mstp_clks[HWBLK_CEU]), + CLKDEV_CON_ID("veu0", &mstp_clks[HWBLK_VEU]), + CLKDEV_CON_ID("vpu0", &mstp_clks[HWBLK_VPU]), + CLKDEV_CON_ID("lcdc0", &mstp_clks[HWBLK_LCDC]), }; int __init arch_clk_init(void) @@ -198,6 +265,8 @@ int __init arch_clk_init(void) for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) ret = clk_register(main_clks[k]); + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + if (!ret) ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); @@ -210,10 +279,10 @@ int __init arch_clk_init(void) DIV4_REPARENT_NR, &div4_table); if (!ret) - ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks)); + ret = sh_clk_div6_register(div6_clks, DIV6_NR); if (!ret) - ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks)); + ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR); return ret; } |