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Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/clock-sh7785.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7785.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
index b7a32dd1b2db..cf042b53b3ae 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -228,12 +228,75 @@ static struct clk *clks[] = {
&umem_clk,
};
+static int mstpcr_clk_enable(struct clk *clk)
+{
+ __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_bit),
+ clk->enable_reg);
+ return 0;
+}
+
+static void mstpcr_clk_disable(struct clk *clk)
+{
+ __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_bit),
+ clk->enable_reg);
+}
+
+static struct clk_ops mstpcr_clk_ops = {
+ .enable = mstpcr_clk_enable,
+ .disable = mstpcr_clk_disable,
+ .recalc = followparent_recalc,
+};
+
+#define MSTPCR0 0xffc80030
+#define MSTPCR1 0xffc80034
+
+#define CLK(_name, _id, _parent, _enable_reg, \
+ _enable_bit, _flags) \
+{ \
+ .name = _name, \
+ .id = _id, \
+ .parent = _parent, \
+ .enable_reg = (void __iomem *)_enable_reg, \
+ .enable_bit = _enable_bit, \
+ .flags = _flags, \
+ .ops = &mstpcr_clk_ops, \
+}
+
+static struct clk mstpcr_clks[] = {
+ /* MSTPCR0 */
+ CLK("scif_fck", 5, &peripheral_clk, MSTPCR0, 29, 0),
+ CLK("scif_fck", 4, &peripheral_clk, MSTPCR0, 28, 0),
+ CLK("scif_fck", 3, &peripheral_clk, MSTPCR0, 27, 0),
+ CLK("scif_fck", 2, &peripheral_clk, MSTPCR0, 26, 0),
+ CLK("scif_fck", 1, &peripheral_clk, MSTPCR0, 25, 0),
+ CLK("scif_fck", 0, &peripheral_clk, MSTPCR0, 24, 0),
+ CLK("ssi_fck", 1, &peripheral_clk, MSTPCR0, 21, 0),
+ CLK("ssi_fck", 0, &peripheral_clk, MSTPCR0, 20, 0),
+ CLK("hac_fck", 1, &peripheral_clk, MSTPCR0, 17, 0),
+ CLK("hac_fck", 0, &peripheral_clk, MSTPCR0, 16, 0),
+ CLK("mmcif_fck", -1, &peripheral_clk, MSTPCR0, 13, 0),
+ CLK("flctl_fck", -1, &peripheral_clk, MSTPCR0, 12, 0),
+ CLK("tmu345_fck", -1, &peripheral_clk, MSTPCR0, 9, 0),
+ CLK("tmu012_fck", -1, &peripheral_clk, MSTPCR0, 8, 0),
+ CLK("siof_fck", -1, &peripheral_clk, MSTPCR0, 3, 0),
+ CLK("hspi_fck", -1, &peripheral_clk, MSTPCR0, 2, 0),
+
+ /* MSTPCR1 */
+ CLK("hudi_fck", -1, NULL, MSTPCR1, 19, 0),
+ CLK("ubc_fck", -1, NULL, MSTPCR1, 17, 0),
+ CLK("dmac_11_6_fck", -1, NULL, MSTPCR1, 5, 0),
+ CLK("dmac_5_0_fck", -1, NULL, MSTPCR1, 4, 0),
+ CLK("gdta_fck", -1, NULL, MSTPCR1, 0, 0),
+};
+
int __init arch_clk_init(void)
{
int i, ret = 0;
for (i = 0; i < ARRAY_SIZE(clks); i++)
ret |= clk_register(clks[i]);
+ for (i = 0; i < ARRAY_SIZE(mstpcr_clks); i++)
+ ret |= clk_register(&mstpcr_clks[i]);
return ret;
}