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clk: samsung: Migrate exynos5250 to use common samsung_clk_register_pll() 

This patch migrates exynos5250 pll registeration to use common
samsung_clk_register_pll() by intialising table of PLLs and adding PLLs to
unique id list of clocks.

Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Vikas Sajjan <vikas.sajjan@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This commit is contained in:
Yadwinder Singh Brar 2013-06-11 15:01:08 +05:30 committed by Mike Turquette
parent 07dc76fa61
commit 8dac3530c7
1 changed files with 41 additions and 19 deletions
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60
drivers/clk/samsung/clk-exynos5250.c
View File

@ -17,11 +17,22 @@
#include <linux/of_address.h>
#include "clk.h"
#include "clk-pll.h"
#define APLL_LOCK 0x0
#define APLL_CON0 0x100
#define SRC_CPU 0x200
#define DIV_CPU0 0x500
#define MPLL_LOCK 0x4000
#define MPLL_CON0 0x4100
#define SRC_CORE1 0x4204
#define CPLL_LOCK 0x10020
#define EPLL_LOCK 0x10030
#define VPLL_LOCK 0x10040
#define GPLL_LOCK 0x10050
#define CPLL_CON0 0x10120
#define EPLL_CON0 0x10130
#define VPLL_CON0 0x10140
#define GPLL_CON0 0x10150
#define SRC_TOP0 0x10210
#define SRC_TOP2 0x10218
#define SRC_GSCL 0x10220
@ -59,11 +70,19 @@
#define GATE_IP_FSYS 0x10944
#define GATE_IP_PERIC 0x10950
#define GATE_IP_PERIS 0x10960
#define BPLL_LOCK 0x20010
#define BPLL_CON0 0x20110
#define SRC_CDREX 0x20200
#define PLL_DIV2_SEL 0x20a24
#define GATE_IP_DISP1 0x10928
#define GATE_IP_ACP 0x10000
/* list of PLLs to be registered */
enum exynos5250_plls {
apll, mpll, cpll, epll, vpll, gpll, bpll,
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
@ -80,7 +99,8 @@ enum exynos5250_clks {
none,
/* core clocks */
fin_pll,
fin_pll, fout_apll, fout_mpll, fout_bpll, fout_gpll, fout_cpll,
fout_epll, fout_vpll,
/* gate for special clocks (sclk) */
sclk_cam_bayer = 128, sclk_cam0, sclk_cam1, sclk_gscl_wa, sclk_gscl_wb,
@ -471,6 +491,23 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
GATE(g2d, "g2d", "aclk200", GATE_IP_ACP, 3, 0, 0),
};
struct __initdata samsung_pll_clock exynos5250_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", MPLL_LOCK,
MPLL_CON0, "fout_mpll"),
[bpll] = PLL(pll_35xx, fout_bpll, "fout_bpll", "fin_pll", BPLL_LOCK,
BPLL_CON0),
[gpll] = PLL(pll_35xx, fout_gpll, "fout_gpll", "fin_pll", GPLL_LOCK,
GPLL_CON0),
[cpll] = PLL(pll_35xx, fout_cpll, "fout_cpll", "fin_pll", CPLL_LOCK,
CPLL_CON0),
[epll] = PLL(pll_36xx, fout_epll, "fout_epll", "fin_pll", EPLL_LOCK,
EPLL_CON0),
[vpll] = PLL(pll_36xx, fout_vpll, "fout_vpll", "mout_vpllsrc",
VPLL_LOCK, VPLL_CON0),
};
static __initdata struct of_device_id ext_clk_match[] = {
{ .compatible = "samsung,clock-xxti", .data = (void *)0, },
{ },
@ -480,7 +517,6 @@ static __initdata struct of_device_id ext_clk_match[] = {
static void __init exynos5250_clk_init(struct device_node *np)
{
void __iomem *reg_base;
struct clk *apll, *mpll, *epll, *vpll, *bpll, *gpll, *cpll;
if (np) {
reg_base = of_iomap(np, 0);
@ -496,22 +532,8 @@ static void __init exynos5250_clk_init(struct device_node *np)
samsung_clk_of_register_fixed_ext(exynos5250_fixed_rate_ext_clks,
ARRAY_SIZE(exynos5250_fixed_rate_ext_clks),
ext_clk_match);
apll = samsung_clk_register_pll35xx("fout_apll", "fin_pll",
reg_base + 0x100);
mpll = samsung_clk_register_pll35xx("fout_mpll", "fin_pll",
reg_base + 0x4100);
bpll = samsung_clk_register_pll35xx("fout_bpll", "fin_pll",
reg_base + 0x20110);
gpll = samsung_clk_register_pll35xx("fout_gpll", "fin_pll",
reg_base + 0x10150);
cpll = samsung_clk_register_pll35xx("fout_cpll", "fin_pll",
reg_base + 0x10120);
epll = samsung_clk_register_pll36xx("fout_epll", "fin_pll",
reg_base + 0x10130);
vpll = samsung_clk_register_pll36xx("fout_vpll", "mout_vpllsrc",
reg_base + 0x10140);
samsung_clk_register_pll(exynos5250_plls, ARRAY_SIZE(exynos5250_plls),
reg_base);
samsung_clk_register_fixed_rate(exynos5250_fixed_rate_clks,
ARRAY_SIZE(exynos5250_fixed_rate_clks));
samsung_clk_register_fixed_factor(exynos5250_fixed_factor_clks,