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authorUlf Hansson <ulf.hansson@linaro.org>2012-10-10 15:42:28 +0400
committerMike Turquette <mturquette@ti.com>2012-11-10 04:47:07 +0400
commitd6e99fa4f45a5f3c3029979680cf69c5a0579e6b (patch)
treee458ba6c9946c868d2e7d94c08dfed2917504f2e /drivers/clk
parenta816d250e866b01bd18b0dd2bcbe5f1951310094 (diff)
downloadlinux-d6e99fa4f45a5f3c3029979680cf69c5a0579e6b.tar.xz
clk: ux500: Add armss clk and fixup smp_twd clk for u8500
The new armss clk is a prcmu_scalable_rate clk which represents the ARMSS clk. This then makes it possible to convert the smp_twd clk to a fixed factor clock type, using a fixed divider of 2 and with the armss clk as parent. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/ux500/u8500_clk.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index 7bebf1f62c65..955110db2440 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -206,16 +206,18 @@ void u8500_clk_init(void)
clk_register_clkdev(clk, "dsilp2", "dsilink.2");
clk_register_clkdev(clk, "dsilp2", "mcde");
- clk = clk_reg_prcmu_rate("smp_twd", NULL, PRCMU_ARMSS,
- CLK_IS_ROOT|CLK_GET_RATE_NOCACHE|
- CLK_IGNORE_UNUSED);
+ clk = clk_reg_prcmu_scalable_rate("armss", NULL,
+ PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ clk_register_clkdev(clk, "armss", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
+ CLK_IGNORE_UNUSED, 1, 2);
clk_register_clkdev(clk, NULL, "smp_twd");
/*
* FIXME: Add special handled PRCMU clocks here:
- * 1. clk_arm, use PRCMU_ARMCLK.
- * 2. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
- * 3. ab9540_clkout1yuv, see clkout0yuv
+ * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
+ * 2. ab9540_clkout1yuv, see clkout0yuv
*/
/* PRCC P-clocks */