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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-sh7785.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-sh7785.c')
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7785.c | 176 |
1 files changed, 138 insertions, 38 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c index d997f0a..c3e458a 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c @@ -3,7 +3,7 @@ * * SH7785 support for the clock framework * - * Copyright (C) 2007 - 2009 Paul Mundt + * Copyright (C) 2007 - 2010 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -14,6 +14,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/cpufreq.h> +#include <asm/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> #include <cpu/sh7785.h> @@ -23,8 +24,6 @@ * from the platform code. */ static struct clk extal_clk = { - .name = "extal", - .id = -1, .rate = 33333333, }; @@ -42,8 +41,6 @@ static struct clk_ops pll_clk_ops = { }; static struct clk pll_clk = { - .name = "pll_clk", - .id = -1, .ops = &pll_clk_ops, .parent = &extal_clk, .flags = CLK_ENABLE_ON_INIT, @@ -69,48 +66,149 @@ static struct clk_div4_table div4_table = { enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_DDR, DIV4_GA, DIV4_DU, DIV4_P, DIV4_NR }; -#define DIV4(_str, _bit, _mask, _flags) \ - SH_CLK_DIV4(_str, &pll_clk, FRQMR1, _bit, _mask, _flags) +#define DIV4(_bit, _mask, _flags) \ + SH_CLK_DIV4(&pll_clk, FRQMR1, _bit, _mask, _flags) struct clk div4_clks[DIV4_NR] = { - [DIV4_P] = DIV4("peripheral_clk", 0, 0x0f80, 0), - [DIV4_DU] = DIV4("du_clk", 4, 0x0ff0, 0), - [DIV4_GA] = DIV4("ga_clk", 8, 0x0030, 0), - [DIV4_DDR] = DIV4("ddr_clk", 12, 0x000c, CLK_ENABLE_ON_INIT), - [DIV4_B] = DIV4("bus_clk", 16, 0x0fe0, CLK_ENABLE_ON_INIT), - [DIV4_SH] = DIV4("shyway_clk", 20, 0x000c, CLK_ENABLE_ON_INIT), - [DIV4_U] = DIV4("umem_clk", 24, 0x000c, CLK_ENABLE_ON_INIT), - [DIV4_I] = DIV4("cpu_clk", 28, 0x000e, CLK_ENABLE_ON_INIT), + [DIV4_P] = DIV4(0, 0x0f80, 0), + [DIV4_DU] = DIV4(4, 0x0ff0, 0), + [DIV4_GA] = DIV4(8, 0x0030, 0), + [DIV4_DDR] = DIV4(12, 0x000c, CLK_ENABLE_ON_INIT), + [DIV4_B] = DIV4(16, 0x0fe0, CLK_ENABLE_ON_INIT), + [DIV4_SH] = DIV4(20, 0x000c, CLK_ENABLE_ON_INIT), + [DIV4_U] = DIV4(24, 0x000c, CLK_ENABLE_ON_INIT), + [DIV4_I] = DIV4(28, 0x000e, CLK_ENABLE_ON_INIT), }; #define MSTPCR0 0xffc80030 #define MSTPCR1 0xffc80034 -static struct clk mstp_clks[] = { +enum { MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, + MSTP021, MSTP020, MSTP017, MSTP016, + MSTP013, MSTP012, MSTP009, MSTP008, MSTP003, MSTP002, + MSTP119, MSTP117, MSTP105, MSTP104, MSTP100, + MSTP_NR }; + +static struct clk mstp_clks[MSTP_NR] = { /* MSTPCR0 */ - SH_CLK_MSTP32("scif_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0), - SH_CLK_MSTP32("scif_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0), - SH_CLK_MSTP32("scif_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0), - SH_CLK_MSTP32("scif_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0), - SH_CLK_MSTP32("scif_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0), - SH_CLK_MSTP32("scif_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0), - SH_CLK_MSTP32("ssi_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 21, 0), - SH_CLK_MSTP32("ssi_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 20, 0), - SH_CLK_MSTP32("hac_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 17, 0), - SH_CLK_MSTP32("hac_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 16, 0), - SH_CLK_MSTP32("mmcif_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 13, 0), - SH_CLK_MSTP32("flctl_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 12, 0), - SH_CLK_MSTP32("tmu345_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 9, 0), - SH_CLK_MSTP32("tmu012_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 8, 0), - SH_CLK_MSTP32("siof_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 3, 0), - SH_CLK_MSTP32("hspi_fck", -1, &div4_clks[DIV4_P], MSTPCR0, 2, 0), + [MSTP029] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 29, 0), + [MSTP028] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 28, 0), + [MSTP027] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 27, 0), + [MSTP026] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 26, 0), + [MSTP025] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 25, 0), + [MSTP024] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 24, 0), + [MSTP021] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 21, 0), + [MSTP020] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 20, 0), + [MSTP017] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 17, 0), + [MSTP016] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 16, 0), + [MSTP013] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 13, 0), + [MSTP012] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 12, 0), + [MSTP009] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 9, 0), + [MSTP008] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 8, 0), + [MSTP003] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 3, 0), + [MSTP002] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 2, 0), /* MSTPCR1 */ - SH_CLK_MSTP32("hudi_fck", -1, NULL, MSTPCR1, 19, 0), - SH_CLK_MSTP32("ubc_fck", -1, NULL, MSTPCR1, 17, 0), - SH_CLK_MSTP32("dmac_11_6_fck", -1, NULL, MSTPCR1, 5, 0), - SH_CLK_MSTP32("dmac_5_0_fck", -1, NULL, MSTPCR1, 4, 0), - SH_CLK_MSTP32("gdta_fck", -1, NULL, MSTPCR1, 0, 0), + [MSTP119] = SH_CLK_MSTP32(NULL, MSTPCR1, 19, 0), + [MSTP117] = SH_CLK_MSTP32(NULL, MSTPCR1, 17, 0), + [MSTP105] = SH_CLK_MSTP32(NULL, MSTPCR1, 5, 0), + [MSTP104] = SH_CLK_MSTP32(NULL, MSTPCR1, 4, 0), + [MSTP100] = SH_CLK_MSTP32(NULL, MSTPCR1, 0, 0), +}; + +#define CLKDEV_CON_ID(_id, _clk) { .con_id = _id, .clk = _clk } + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("pll_clk", &pll_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("peripheral_clk", &div4_clks[DIV4_P]), + CLKDEV_CON_ID("du_clk", &div4_clks[DIV4_DU]), + CLKDEV_CON_ID("ga_clk", &div4_clks[DIV4_GA]), + CLKDEV_CON_ID("ddr_clk", &div4_clks[DIV4_DDR]), + CLKDEV_CON_ID("bus_clk", &div4_clks[DIV4_B]), + CLKDEV_CON_ID("shyway_clk", &div4_clks[DIV4_SH]), + CLKDEV_CON_ID("umem_clk", &div4_clks[DIV4_U]), + CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]), + + /* MSTP32 clocks */ + { + /* SCIF5 */ + .dev_id = "sh-sci.5", + .con_id = "sci_fck", + .clk = &mstp_clks[MSTP029], + }, { + /* SCIF4 */ + .dev_id = "sh-sci.4", + .con_id = "sci_fck", + .clk = &mstp_clks[MSTP028], + }, { + /* SCIF3 */ + .dev_id = "sh-sci.3", + .con_id = "sci_fck", + .clk = &mstp_clks[MSTP027], + }, { + /* SCIF2 */ + .dev_id = "sh-sci.2", + .con_id = "sci_fck", + .clk = &mstp_clks[MSTP026], + }, { + /* SCIF1 */ + .dev_id = "sh-sci.1", + .con_id = "sci_fck", + .clk = &mstp_clks[MSTP025], + }, { + /* SCIF0 */ + .dev_id = "sh-sci.0", + .con_id = "sci_fck", + .clk = &mstp_clks[MSTP024], + }, + CLKDEV_CON_ID("ssi1_fck", &mstp_clks[MSTP021]), + CLKDEV_CON_ID("ssi0_fck", &mstp_clks[MSTP020]), + CLKDEV_CON_ID("hac1_fck", &mstp_clks[MSTP017]), + CLKDEV_CON_ID("hac0_fck", &mstp_clks[MSTP016]), + CLKDEV_CON_ID("mmcif_fck", &mstp_clks[MSTP013]), + CLKDEV_CON_ID("flctl_fck", &mstp_clks[MSTP012]), + { + /* TMU0 */ + .dev_id = "sh_tmu.0", + .con_id = "tmu_fck", + .clk = &mstp_clks[MSTP008], + }, { + /* TMU1 */ + .dev_id = "sh_tmu.1", + .con_id = "tmu_fck", + .clk = &mstp_clks[MSTP008], + }, { + /* TMU2 */ + .dev_id = "sh_tmu.2", + .con_id = "tmu_fck", + .clk = &mstp_clks[MSTP008], + }, { + /* TMU3 */ + .dev_id = "sh_tmu.3", + .con_id = "tmu_fck", + .clk = &mstp_clks[MSTP009], + }, { + /* TMU4 */ + .dev_id = "sh_tmu.4", + .con_id = "tmu_fck", + .clk = &mstp_clks[MSTP009], + }, { + /* TMU5 */ + .dev_id = "sh_tmu.5", + .con_id = "tmu_fck", + .clk = &mstp_clks[MSTP009], + }, + CLKDEV_CON_ID("siof_fck", &mstp_clks[MSTP003]), + CLKDEV_CON_ID("hspi_fck", &mstp_clks[MSTP002]), + CLKDEV_CON_ID("hudi_fck", &mstp_clks[MSTP119]), + CLKDEV_CON_ID("ubc_fck", &mstp_clks[MSTP117]), + CLKDEV_CON_ID("dmac_11_6_fck", &mstp_clks[MSTP105]), + CLKDEV_CON_ID("dmac_5_0_fck", &mstp_clks[MSTP104]), + CLKDEV_CON_ID("gdta_fck", &mstp_clks[MSTP100]), }; int __init arch_clk_init(void) @@ -119,12 +217,14 @@ int __init arch_clk_init(void) for (i = 0; i < ARRAY_SIZE(clks); i++) ret |= clk_register(clks[i]); + for (i = 0; i < ARRAY_SIZE(lookups); i++) + clkdev_add(&lookups[i]); if (!ret) ret = sh_clk_div4_register(div4_clks, ARRAY_SIZE(div4_clks), &div4_table); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks)); + ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); return ret; } |