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authorPaul Mundt <lethal@linux-sh.org>2010-03-29 04:45:12 -0400
committerPaul Mundt <lethal@linux-sh.org>2010-03-29 04:45:12 -0400
commitf4221802ea3a28f7c16d157ac6f697d58267cb58 (patch)
tree4ab937dddbfae1a9f19f84d9d9eb691fd0f76a4f /arch/sh/kernel/cpu/sh4a/clock-sh7723.c
parent04b1731766b22cd41a0acd480e3206e93f2d5931 (diff)
sh: sh7723 clkdev lookups.
Convert to TMU clock lookups for SH7723. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/clock-sh7723.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7723.c46
1 files changed, 42 insertions, 4 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
index 4d4c123d02c4..fc86c88223f4 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -21,6 +21,8 @@
21#include <linux/init.h> 21#include <linux/init.h>
22#include <linux/kernel.h> 22#include <linux/kernel.h>
23#include <linux/io.h> 23#include <linux/io.h>
24#include <linux/clk.h>
25#include <asm/clkdev.h>
24#include <asm/clock.h> 26#include <asm/clock.h>
25#include <asm/hwblk.h> 27#include <asm/hwblk.h>
26#include <cpu/sh7723.h> 28#include <cpu/sh7723.h>
@@ -171,11 +173,11 @@ static struct clk mstp_clks[] = {
171 SH_HWBLK_CLK("sh0", -1, SH_CLK, HWBLK_SHYWAY, CLK_ENABLE_ON_INIT), 173 SH_HWBLK_CLK("sh0", -1, SH_CLK, HWBLK_SHYWAY, CLK_ENABLE_ON_INIT),
172 SH_HWBLK_CLK("hudi0", -1, P_CLK, HWBLK_HUDI, 0), 174 SH_HWBLK_CLK("hudi0", -1, P_CLK, HWBLK_HUDI, 0),
173 SH_HWBLK_CLK("ubc0", -1, I_CLK, HWBLK_UBC, 0), 175 SH_HWBLK_CLK("ubc0", -1, I_CLK, HWBLK_UBC, 0),
174 SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU0, 0), 176 SH_HWBLK_CLK("tmu012_fck", -1, P_CLK, HWBLK_TMU0, 0),
175 SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0), 177 SH_HWBLK_CLK("cmt_fck", -1, R_CLK, HWBLK_CMT, 0),
176 SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0), 178 SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
177 SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0), 179 SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0),
178 SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0), 180 SH_HWBLK_CLK("tmu345_fck", -1, P_CLK, HWBLK_TMU1, 0),
179 SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0), 181 SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
180 SH_HWBLK_CLK("sci_fck", 0, P_CLK, HWBLK_SCIF0, 0), 182 SH_HWBLK_CLK("sci_fck", 0, P_CLK, HWBLK_SCIF0, 0),
181 SH_HWBLK_CLK("sci_fck", 1, P_CLK, HWBLK_SCIF1, 0), 183 SH_HWBLK_CLK("sci_fck", 1, P_CLK, HWBLK_SCIF1, 0),
@@ -211,6 +213,40 @@ static struct clk mstp_clks[] = {
211 SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0), 213 SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0),
212}; 214};
213 215
216static struct clk_lookup lookups[] = {
217 {
218 /* TMU0 */
219 .dev_id = "sh_tmu.0",
220 .con_id = "tmu_fck",
221 .clk = &mstp_clks[11], /* tmu012_fck */
222 }, {
223 /* TMU1 */
224 .dev_id = "sh_tmu.1",
225 .con_id = "tmu_fck",
226 .clk = &mstp_clks[11],
227 }, {
228 /* TMU2 */
229 .dev_id = "sh_tmu.2",
230 .con_id = "tmu_fck",
231 .clk = &mstp_clks[11],
232 }, {
233 /* TMU3 */
234 .dev_id = "sh_tmu.3",
235 .con_id = "tmu_fck",
236 .clk = &mstp_clks[15], /* tmu345_fck */
237 }, {
238 /* TMU4 */
239 .dev_id = "sh_tmu.4",
240 .con_id = "tmu_fck",
241 .clk = &mstp_clks[15],
242 }, {
243 /* TMU5 */
244 .dev_id = "sh_tmu.5",
245 .con_id = "tmu_fck",
246 .clk = &mstp_clks[15],
247 },
248};
249
214int __init arch_clk_init(void) 250int __init arch_clk_init(void)
215{ 251{
216 int k, ret = 0; 252 int k, ret = 0;
@@ -222,7 +258,9 @@ int __init arch_clk_init(void)
222 pll_clk.parent = &extal_clk; 258 pll_clk.parent = &extal_clk;
223 259
224 for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) 260 for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
225 ret = clk_register(main_clks[k]); 261 ret |= clk_register(main_clks[k]);
262
263 clkdev_add_table(lookups, ARRAY_SIZE(lookups));
226 264
227 if (!ret) 265 if (!ret)
228 ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); 266 ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);