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Diffstat (limited to 'arch/sh/kernel/cpu/sh4a/clock-sh7724.c')
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7724.c44
1 files changed, 39 insertions, 5 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 0fe2e9329cb..271c0b325a9 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -111,12 +111,21 @@ static struct clk div3_clk = {
.parent = &pll_clk,
};
+/* External input clock (pin name: FSIMCKA/FSIMCKB ) */
+struct clk sh7724_fsimcka_clk = {
+};
+
+struct clk sh7724_fsimckb_clk = {
+};
+
static struct clk *main_clks[] = {
&r_clk,
&extal_clk,
&fll_clk,
&pll_clk,
&div3_clk,
+ &sh7724_fsimcka_clk,
+ &sh7724_fsimckb_clk,
};
static void div4_kick(struct clk *clk)
@@ -154,16 +163,38 @@ struct clk div4_clks[DIV4_NR] = {
[DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
};
-enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR };
+enum { DIV6_V, DIV6_I, DIV6_S, DIV6_NR };
static struct clk div6_clks[DIV6_NR] = {
[DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0),
- [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0),
- [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0),
[DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0),
[DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT),
};
+enum { DIV6_FA, DIV6_FB, DIV6_REPARENT_NR };
+
+/* Indices are important - they are the actual src selecting values */
+static struct clk *fclkacr_parent[] = {
+ [0] = &div3_clk,
+ [1] = NULL,
+ [2] = &sh7724_fsimcka_clk,
+ [3] = NULL,
+};
+
+static struct clk *fclkbcr_parent[] = {
+ [0] = &div3_clk,
+ [1] = NULL,
+ [2] = &sh7724_fsimckb_clk,
+ [3] = NULL,
+};
+
+static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
+ [DIV6_FA] = SH_CLK_DIV6_EXT(&div3_clk, FCLKACR, 0,
+ fclkacr_parent, ARRAY_SIZE(fclkacr_parent), 6, 2),
+ [DIV6_FB] = SH_CLK_DIV6_EXT(&div3_clk, FCLKBCR, 0,
+ fclkbcr_parent, ARRAY_SIZE(fclkbcr_parent), 6, 2),
+};
+
static struct clk mstp_clks[HWBLK_NR] = {
SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
@@ -240,8 +271,8 @@ static struct clk_lookup lookups[] = {
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
- CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]),
- CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FB]),
+ CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FA]),
+ CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FB]),
CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]),
CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]),
@@ -376,6 +407,9 @@ int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, DIV6_NR);
if (!ret)
+ ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
+
+ if (!ret)
ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR);
return ret;