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authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2010-12-03 05:37:53 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-12-03 14:41:57 +0900
commite17ca5cf3c5b2a769bcde2c37cf0d96f08c8cb17 (patch)
tree027d2fbf03bcd6f2d3bdd079dfa1e10ce7a9ffb6 /arch
parent193006f7e3b1abd42d7a3677b54fa2996461a842 (diff)
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sh: se/7724: Update clock framework of FSI clock to non-legacy
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c33
1 files changed, 4 insertions, 29 deletions
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 673530500e2..1486ab726ab 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 = {
};
/* FSI */
-/*
- * FSI-A use external clock which came from ak464x.
- * So, we should change parent of fsi
- */
-#define FCLKACR 0xa4150008
-static void fsimck_init(struct clk *clk)
-{
- u32 status = __raw_readl(clk->enable_reg);
-
- /* use external clock */
- status &= ~0x000000ff;
- status |= 0x00000080;
- __raw_writel(status, clk->enable_reg);
-}
-
-static struct clk_ops fsimck_clk_ops = {
- .init = fsimck_init,
-};
-
-static struct clk fsimcka_clk = {
- .ops = &fsimck_clk_ops,
- .enable_reg = (void __iomem *)FCLKACR,
- .rate = 0, /* unknown */
-};
-
/* change J20, J21, J22 pin to 1-2 connection to use slave mode */
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_BRS_INV |
@@ -879,10 +854,10 @@ static int __init devices_setup(void)
/* change parent of FSI A */
clk = clk_get(NULL, "fsia_clk");
if (!IS_ERR(clk)) {
- clk_register(&fsimcka_clk);
- clk_set_parent(clk, &fsimcka_clk);
- clk_set_rate(clk, 11000);
- clk_set_rate(&fsimcka_clk, 11000);
+ /* 48kHz dummy clock was used to make sure 1/1 divide */
+ clk_set_rate(&sh7724_fsimcka_clk, 48000);
+ clk_set_parent(clk, &sh7724_fsimcka_clk);
+ clk_set_rate(clk, 48000);
clk_put(clk);
}