[PATCH v7 04/11] clk: samsung: Migrate exynos4 to use common samsung_clk_register_pll()
Yadwinder Singh Brar
yadi.brar at samsung.com
Tue Jun 11 05:31:09 EDT 2013
This patch migrates exynos4 pll registeration to use common
samsung_clk_register_pll() by intialising table of PLLs.
Signed-off-by: Yadwinder Singh Brar <yadi.brar at samsung.com>
Signed-off-by: Vikas Sajjan <vikas.sajjan at linaro.org>
---
drivers/clk/samsung/clk-exynos4.c | 40 ++++++++++++++++++++++++-------------
1 files changed, 26 insertions(+), 14 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 50af410..f2c2156 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -17,7 +17,6 @@
#include <linux/of_address.h>
#include "clk.h"
-#include "clk-pll.h"
/* Exynos4 clock controller register offsets */
#define SRC_LEFTBUS 0x4200
@@ -97,12 +96,14 @@
#define GATE_IP_PERIL 0xc950
#define E4210_GATE_IP_PERIR 0xc960
#define GATE_BLOCK 0xc970
+#define E4X12_MPLL_LOCK 0x10008
#define E4X12_MPLL_CON0 0x10108
#define SRC_DMC 0x10200
#define SRC_MASK_DMC 0x10300
#define DIV_DMC0 0x10500
#define DIV_DMC1 0x10504
#define GATE_IP_DMC 0x10900
+#define APLL_LOCK 0x14000
#define APLL_CON0 0x14100
#define E4210_MPLL_CON0 0x14108
#define SRC_CPU 0x14200
@@ -121,6 +122,12 @@ enum exynos4_soc {
EXYNOS4X12,
};
+/* list of PLLs to be registered */
+enum exynos4_plls {
+ apll, mpll, epll, vpll,
+ nr_plls /* number of PLLs */
+};
+
/*
* Let each supported clock get a unique id. This id is used to lookup the clock
* for device tree based platforms. The clocks are categorized into three
@@ -990,6 +997,17 @@ static __initdata struct of_device_id ext_clk_match[] = {
{},
};
+struct __initdata samsung_pll_clock exynos4_plls[nr_plls] = {
+ [apll] = PLL_A(pll_35xx, fout_apll, "fout_apll", "fin_pll", APLL_LOCK,
+ APLL_CON0, "fout_apll"),
+ [mpll] = PLL_A(pll_35xx, fout_mpll, "fout_mpll", "fin_pll",
+ E4X12_MPLL_LOCK, E4X12_MPLL_CON0, "fout_mpll"),
+ [epll] = PLL_A(pll_36xx, fout_epll, "fout_epll", "fin_pll", EPLL_LOCK,
+ EPLL_CON0, "fout_epll"),
+ [vpll] = PLL_A(pll_36xx, fout_vpll, "fout_vpll", "fin_pll", VPLL_LOCK,
+ VPLL_CON0, "fout_vpll"),
+};
+
/* register exynos4 clocks */
void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc exynos4_soc, void __iomem *reg_base, unsigned long xom)
{
@@ -1026,22 +1044,16 @@ void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc exynos4_so
reg_base + EPLL_CON0, pll_4600);
vpll = samsung_clk_register_pll46xx("fout_vpll", "mout_vpllsrc",
reg_base + VPLL_CON0, pll_4650c);
+
+ samsung_clk_add_lookup(apll, fout_apll);
+ samsung_clk_add_lookup(mpll, fout_mpll);
+ samsung_clk_add_lookup(epll, fout_epll);
+ samsung_clk_add_lookup(vpll, fout_vpll);
} else {
- apll = samsung_clk_register_pll35xx("fout_apll", "fin_pll",
- reg_base + APLL_CON0);
- mpll = samsung_clk_register_pll35xx("fout_mpll", "fin_pll",
- reg_base + E4X12_MPLL_CON0);
- epll = samsung_clk_register_pll36xx("fout_epll", "fin_pll",
- reg_base + EPLL_CON0);
- vpll = samsung_clk_register_pll36xx("fout_vpll", "fin_pll",
- reg_base + VPLL_CON0);
+ samsung_clk_register_pll(exynos4_plls,
+ ARRAY_SIZE(exynos4_plls), reg_base);
}
- samsung_clk_add_lookup(apll, fout_apll);
- samsung_clk_add_lookup(mpll, fout_mpll);
- samsung_clk_add_lookup(epll, fout_epll);
- samsung_clk_add_lookup(vpll, fout_vpll);
-
samsung_clk_register_fixed_rate(exynos4_fixed_rate_clks,
ARRAY_SIZE(exynos4_fixed_rate_clks));
samsung_clk_register_mux(exynos4_mux_clks,
--
1.7.0.4
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