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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-12-22 17:46:24 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-12-22 17:46:24 -0500
commit25cf0398bdf365d027e171116aa4a281e9cd3c1c (patch)
treea8be3d3d314625a376be0e62c67809dc22274dd4 /arch/sh/boards/mach-se/7724/setup.c
parent9326845f45650f6af9953a4b6a31e89b54fab82f (diff)
parent59bdd133561a432c4655146e283caf85fa64c2fb (diff)
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
Diffstat (limited to 'arch/sh/boards/mach-se/7724/setup.c')
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c47
1 files changed, 7 insertions, 40 deletions
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index c31d228fdfc6..527a0cd956b5 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -283,31 +283,6 @@ static struct platform_device ceu1_device = {
283}; 283};
284 284
285/* FSI */ 285/* FSI */
286/*
287 * FSI-A use external clock which came from ak464x.
288 * So, we should change parent of fsi
289 */
290#define FCLKACR 0xa4150008
291static void fsimck_init(struct clk *clk)
292{
293 u32 status = __raw_readl(clk->enable_reg);
294
295 /* use external clock */
296 status &= ~0x000000ff;
297 status |= 0x00000080;
298 __raw_writel(status, clk->enable_reg);
299}
300
301static struct clk_ops fsimck_clk_ops = {
302 .init = fsimck_init,
303};
304
305static struct clk fsimcka_clk = {
306 .ops = &fsimck_clk_ops,
307 .enable_reg = (void __iomem *)FCLKACR,
308 .rate = 0, /* unknown */
309};
310
311/* change J20, J21, J22 pin to 1-2 connection to use slave mode */ 286/* change J20, J21, J22 pin to 1-2 connection to use slave mode */
312static struct sh_fsi_platform_info fsi_info = { 287static struct sh_fsi_platform_info fsi_info = {
313 .porta_flags = SH_FSI_BRS_INV | 288 .porta_flags = SH_FSI_BRS_INV |
@@ -852,37 +827,29 @@ static int __init devices_setup(void)
852 gpio_request(GPIO_FN_KEYOUT0, NULL); 827 gpio_request(GPIO_FN_KEYOUT0, NULL);
853 828
854 /* enable FSI */ 829 /* enable FSI */
855 gpio_request(GPIO_FN_FSIMCKB, NULL);
856 gpio_request(GPIO_FN_FSIMCKA, NULL); 830 gpio_request(GPIO_FN_FSIMCKA, NULL);
831 gpio_request(GPIO_FN_FSIIASD, NULL);
857 gpio_request(GPIO_FN_FSIOASD, NULL); 832 gpio_request(GPIO_FN_FSIOASD, NULL);
858 gpio_request(GPIO_FN_FSIIABCK, NULL); 833 gpio_request(GPIO_FN_FSIIABCK, NULL);
859 gpio_request(GPIO_FN_FSIIALRCK, NULL); 834 gpio_request(GPIO_FN_FSIIALRCK, NULL);
860 gpio_request(GPIO_FN_FSIOABCK, NULL); 835 gpio_request(GPIO_FN_FSIOABCK, NULL);
861 gpio_request(GPIO_FN_FSIOALRCK, NULL); 836 gpio_request(GPIO_FN_FSIOALRCK, NULL);
862 gpio_request(GPIO_FN_CLKAUDIOAO, NULL); 837 gpio_request(GPIO_FN_CLKAUDIOAO, NULL);
863 gpio_request(GPIO_FN_FSIIBSD, NULL);
864 gpio_request(GPIO_FN_FSIOBSD, NULL);
865 gpio_request(GPIO_FN_FSIIBBCK, NULL);
866 gpio_request(GPIO_FN_FSIIBLRCK, NULL);
867 gpio_request(GPIO_FN_FSIOBBCK, NULL);
868 gpio_request(GPIO_FN_FSIOBLRCK, NULL);
869 gpio_request(GPIO_FN_CLKAUDIOBO, NULL);
870 gpio_request(GPIO_FN_FSIIASD, NULL);
871 838
872 /* set SPU2 clock to 83.4 MHz */ 839 /* set SPU2 clock to 83.4 MHz */
873 clk = clk_get(NULL, "spu_clk"); 840 clk = clk_get(NULL, "spu_clk");
874 if (clk) { 841 if (!IS_ERR(clk)) {
875 clk_set_rate(clk, clk_round_rate(clk, 83333333)); 842 clk_set_rate(clk, clk_round_rate(clk, 83333333));
876 clk_put(clk); 843 clk_put(clk);
877 } 844 }
878 845
879 /* change parent of FSI A */ 846 /* change parent of FSI A */
880 clk = clk_get(NULL, "fsia_clk"); 847 clk = clk_get(NULL, "fsia_clk");
881 if (clk) { 848 if (!IS_ERR(clk)) {
882 clk_register(&fsimcka_clk); 849 /* 48kHz dummy clock was used to make sure 1/1 divide */
883 clk_set_parent(clk, &fsimcka_clk); 850 clk_set_rate(&sh7724_fsimcka_clk, 48000);
884 clk_set_rate(clk, 11000); 851 clk_set_parent(clk, &sh7724_fsimcka_clk);
885 clk_set_rate(&fsimcka_clk, 11000); 852 clk_set_rate(clk, 48000);
886 clk_put(clk); 853 clk_put(clk);
887 } 854 }
888 855