diff options
author | Mike Turquette <mturquette@linaro.org> | 2014-05-15 02:16:32 -0400 |
---|---|---|
committer | Mike Turquette <mturquette@linaro.org> | 2014-05-15 02:16:32 -0400 |
commit | 6ed8eb59e53b3f411bce36b9fa6bd491863888ef (patch) | |
tree | 4c3e5e44abc2ea8effee26b2008f0375b302e60b /drivers/clk | |
parent | a97181adf1502128e2945b4fef2591249c565467 (diff) | |
parent | 5efaf09021a5817e5a274aa2d2fad8d92d12ed92 (diff) |
Merge tag 'clk-hisi-for-v3.16' of https://git.kernel.org/pub/scm/linux/kernel/git/hzhuang1/linux into clk-next-hisilicon
enable hix5hd2 clock
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/Makefile | 1 | ||||
-rw-r--r-- | drivers/clk/hisilicon/Makefile | 1 | ||||
-rw-r--r-- | drivers/clk/hisilicon/clk-hix5hd2.c | 101 | ||||
-rw-r--r-- | drivers/clk/hisilicon/clk.c | 41 | ||||
-rw-r--r-- | drivers/clk/hisilicon/clk.h | 3 |
5 files changed, 142 insertions, 5 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 5f8a28735c96..3e6e577c01db 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile | |||
@@ -33,6 +33,7 @@ obj-$(CONFIG_COMMON_CLK_AT91) += at91/ | |||
33 | obj-$(CONFIG_ARCH_BCM_MOBILE) += bcm/ | 33 | obj-$(CONFIG_ARCH_BCM_MOBILE) += bcm/ |
34 | obj-$(CONFIG_ARCH_HI3xxx) += hisilicon/ | 34 | obj-$(CONFIG_ARCH_HI3xxx) += hisilicon/ |
35 | obj-$(CONFIG_ARCH_HIP04) += hisilicon/ | 35 | obj-$(CONFIG_ARCH_HIP04) += hisilicon/ |
36 | obj-$(CONFIG_ARCH_HIX5HD2) += hisilicon/ | ||
36 | obj-$(CONFIG_COMMON_CLK_KEYSTONE) += keystone/ | 37 | obj-$(CONFIG_COMMON_CLK_KEYSTONE) += keystone/ |
37 | ifeq ($(CONFIG_COMMON_CLK), y) | 38 | ifeq ($(CONFIG_COMMON_CLK), y) |
38 | obj-$(CONFIG_ARCH_MMP) += mmp/ | 39 | obj-$(CONFIG_ARCH_MMP) += mmp/ |
diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index 40b33c6a8257..038c02f4d0e7 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile | |||
@@ -6,3 +6,4 @@ obj-y += clk.o clkgate-separated.o | |||
6 | 6 | ||
7 | obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o | 7 | obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o |
8 | obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o | 8 | obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o |
9 | obj-$(CONFIG_ARCH_HIX5HD2) += clk-hix5hd2.o | ||
diff --git a/drivers/clk/hisilicon/clk-hix5hd2.c b/drivers/clk/hisilicon/clk-hix5hd2.c new file mode 100644 index 000000000000..e5fcfb4e32ef --- /dev/null +++ b/drivers/clk/hisilicon/clk-hix5hd2.c | |||
@@ -0,0 +1,101 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2014 Linaro Ltd. | ||
3 | * Copyright (c) 2014 Hisilicon Limited. | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify it | ||
6 | * under the terms and conditions of the GNU General Public License, | ||
7 | * version 2, as published by the Free Software Foundation. | ||
8 | */ | ||
9 | |||
10 | #include <linux/of_address.h> | ||
11 | #include <dt-bindings/clock/hix5hd2-clock.h> | ||
12 | #include "clk.h" | ||
13 | |||
14 | static struct hisi_fixed_rate_clock hix5hd2_fixed_rate_clks[] __initdata = { | ||
15 | { HIX5HD2_FIXED_1200M, "1200m", NULL, CLK_IS_ROOT, 1200000000, }, | ||
16 | { HIX5HD2_FIXED_400M, "400m", NULL, CLK_IS_ROOT, 400000000, }, | ||
17 | { HIX5HD2_FIXED_48M, "48m", NULL, CLK_IS_ROOT, 48000000, }, | ||
18 | { HIX5HD2_FIXED_24M, "24m", NULL, CLK_IS_ROOT, 24000000, }, | ||
19 | { HIX5HD2_FIXED_600M, "600m", NULL, CLK_IS_ROOT, 600000000, }, | ||
20 | { HIX5HD2_FIXED_300M, "300m", NULL, CLK_IS_ROOT, 300000000, }, | ||
21 | { HIX5HD2_FIXED_75M, "75m", NULL, CLK_IS_ROOT, 75000000, }, | ||
22 | { HIX5HD2_FIXED_200M, "200m", NULL, CLK_IS_ROOT, 200000000, }, | ||
23 | { HIX5HD2_FIXED_100M, "100m", NULL, CLK_IS_ROOT, 100000000, }, | ||
24 | { HIX5HD2_FIXED_40M, "40m", NULL, CLK_IS_ROOT, 40000000, }, | ||
25 | { HIX5HD2_FIXED_150M, "150m", NULL, CLK_IS_ROOT, 150000000, }, | ||
26 | { HIX5HD2_FIXED_1728M, "1728m", NULL, CLK_IS_ROOT, 1728000000, }, | ||
27 | { HIX5HD2_FIXED_28P8M, "28p8m", NULL, CLK_IS_ROOT, 28000000, }, | ||
28 | { HIX5HD2_FIXED_432M, "432m", NULL, CLK_IS_ROOT, 432000000, }, | ||
29 | { HIX5HD2_FIXED_345P6M, "345p6m", NULL, CLK_IS_ROOT, 345000000, }, | ||
30 | { HIX5HD2_FIXED_288M, "288m", NULL, CLK_IS_ROOT, 288000000, }, | ||
31 | { HIX5HD2_FIXED_60M, "60m", NULL, CLK_IS_ROOT, 60000000, }, | ||
32 | { HIX5HD2_FIXED_750M, "750m", NULL, CLK_IS_ROOT, 750000000, }, | ||
33 | { HIX5HD2_FIXED_500M, "500m", NULL, CLK_IS_ROOT, 500000000, }, | ||
34 | { HIX5HD2_FIXED_54M, "54m", NULL, CLK_IS_ROOT, 54000000, }, | ||
35 | { HIX5HD2_FIXED_27M, "27m", NULL, CLK_IS_ROOT, 27000000, }, | ||
36 | { HIX5HD2_FIXED_1500M, "1500m", NULL, CLK_IS_ROOT, 1500000000, }, | ||
37 | { HIX5HD2_FIXED_375M, "375m", NULL, CLK_IS_ROOT, 375000000, }, | ||
38 | { HIX5HD2_FIXED_187M, "187m", NULL, CLK_IS_ROOT, 187000000, }, | ||
39 | { HIX5HD2_FIXED_250M, "250m", NULL, CLK_IS_ROOT, 250000000, }, | ||
40 | { HIX5HD2_FIXED_125M, "125m", NULL, CLK_IS_ROOT, 125000000, }, | ||
41 | { HIX5HD2_FIXED_2P02M, "2m", NULL, CLK_IS_ROOT, 2000000, }, | ||
42 | { HIX5HD2_FIXED_50M, "50m", NULL, CLK_IS_ROOT, 50000000, }, | ||
43 | { HIX5HD2_FIXED_25M, "25m", NULL, CLK_IS_ROOT, 25000000, }, | ||
44 | { HIX5HD2_FIXED_83M, "83m", NULL, CLK_IS_ROOT, 83333333, }, | ||
45 | }; | ||
46 | |||
47 | static const char *sfc_mux_p[] __initconst = { | ||
48 | "24m", "150m", "200m", "100m", "75m", }; | ||
49 | static u32 sfc_mux_table[] = {0, 4, 5, 6, 7}; | ||
50 | |||
51 | static const char *sdio1_mux_p[] __initconst = { | ||
52 | "75m", "100m", "50m", "15m", }; | ||
53 | static u32 sdio1_mux_table[] = {0, 1, 2, 3}; | ||
54 | |||
55 | static const char *fephy_mux_p[] __initconst = { "25m", "125m"}; | ||
56 | static u32 fephy_mux_table[] = {0, 1}; | ||
57 | |||
58 | |||
59 | static struct hisi_mux_clock hix5hd2_mux_clks[] __initdata = { | ||
60 | { HIX5HD2_SFC_MUX, "sfc_mux", sfc_mux_p, ARRAY_SIZE(sfc_mux_p), | ||
61 | CLK_SET_RATE_PARENT, 0x5c, 8, 3, 0, sfc_mux_table, }, | ||
62 | { HIX5HD2_MMC_MUX, "mmc_mux", sdio1_mux_p, ARRAY_SIZE(sdio1_mux_p), | ||
63 | CLK_SET_RATE_PARENT, 0xa0, 8, 2, 0, sdio1_mux_table, }, | ||
64 | { HIX5HD2_FEPHY_MUX, "fephy_mux", | ||
65 | fephy_mux_p, ARRAY_SIZE(fephy_mux_p), | ||
66 | CLK_SET_RATE_PARENT, 0x120, 8, 2, 0, fephy_mux_table, }, | ||
67 | }; | ||
68 | |||
69 | static struct hisi_gate_clock hix5hd2_gate_clks[] __initdata = { | ||
70 | /*sfc*/ | ||
71 | { HIX5HD2_SFC_CLK, "clk_sfc", "sfc_mux", | ||
72 | CLK_SET_RATE_PARENT, 0x5c, 0, 0, }, | ||
73 | { HIX5HD2_SFC_RST, "rst_sfc", "clk_sfc", | ||
74 | CLK_SET_RATE_PARENT, 0x5c, 4, CLK_GATE_SET_TO_DISABLE, }, | ||
75 | /*sdio1*/ | ||
76 | { HIX5HD2_MMC_BIU_CLK, "clk_mmc_biu", "200m", | ||
77 | CLK_SET_RATE_PARENT, 0xa0, 0, 0, }, | ||
78 | { HIX5HD2_MMC_CIU_CLK, "clk_mmc_ciu", "mmc_mux", | ||
79 | CLK_SET_RATE_PARENT, 0xa0, 1, 0, }, | ||
80 | { HIX5HD2_MMC_CIU_RST, "rst_mmc_ciu", "clk_mmc_ciu", | ||
81 | CLK_SET_RATE_PARENT, 0xa0, 4, CLK_GATE_SET_TO_DISABLE, }, | ||
82 | }; | ||
83 | |||
84 | static void __init hix5hd2_clk_init(struct device_node *np) | ||
85 | { | ||
86 | struct hisi_clock_data *clk_data; | ||
87 | |||
88 | clk_data = hisi_clk_init(np, HIX5HD2_NR_CLKS); | ||
89 | if (!clk_data) | ||
90 | return; | ||
91 | |||
92 | hisi_clk_register_fixed_rate(hix5hd2_fixed_rate_clks, | ||
93 | ARRAY_SIZE(hix5hd2_fixed_rate_clks), | ||
94 | clk_data); | ||
95 | hisi_clk_register_mux(hix5hd2_mux_clks, ARRAY_SIZE(hix5hd2_mux_clks), | ||
96 | clk_data); | ||
97 | hisi_clk_register_gate(hix5hd2_gate_clks, | ||
98 | ARRAY_SIZE(hix5hd2_gate_clks), clk_data); | ||
99 | } | ||
100 | |||
101 | CLK_OF_DECLARE(hix5hd2_clk, "hisilicon,hix5hd2-clock", hix5hd2_clk_init); | ||
diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c index 276f672e7b1a..a078e84f7b05 100644 --- a/drivers/clk/hisilicon/clk.c +++ b/drivers/clk/hisilicon/clk.c | |||
@@ -127,11 +127,14 @@ void __init hisi_clk_register_mux(struct hisi_mux_clock *clks, | |||
127 | int i; | 127 | int i; |
128 | 128 | ||
129 | for (i = 0; i < nums; i++) { | 129 | for (i = 0; i < nums; i++) { |
130 | clk = clk_register_mux(NULL, clks[i].name, clks[i].parent_names, | 130 | u32 mask = BIT(clks[i].width) - 1; |
131 | clks[i].num_parents, clks[i].flags, | 131 | |
132 | base + clks[i].offset, clks[i].shift, | 132 | clk = clk_register_mux_table(NULL, clks[i].name, |
133 | clks[i].width, clks[i].mux_flags, | 133 | clks[i].parent_names, |
134 | &hisi_clk_lock); | 134 | clks[i].num_parents, clks[i].flags, |
135 | base + clks[i].offset, clks[i].shift, | ||
136 | mask, clks[i].mux_flags, | ||
137 | clks[i].table, &hisi_clk_lock); | ||
135 | if (IS_ERR(clk)) { | 138 | if (IS_ERR(clk)) { |
136 | pr_err("%s: failed to register clock %s\n", | 139 | pr_err("%s: failed to register clock %s\n", |
137 | __func__, clks[i].name); | 140 | __func__, clks[i].name); |
@@ -174,6 +177,34 @@ void __init hisi_clk_register_divider(struct hisi_divider_clock *clks, | |||
174 | } | 177 | } |
175 | } | 178 | } |
176 | 179 | ||
180 | void __init hisi_clk_register_gate(struct hisi_gate_clock *clks, | ||
181 | int nums, struct hisi_clock_data *data) | ||
182 | { | ||
183 | struct clk *clk; | ||
184 | void __iomem *base = data->base; | ||
185 | int i; | ||
186 | |||
187 | for (i = 0; i < nums; i++) { | ||
188 | clk = clk_register_gate(NULL, clks[i].name, | ||
189 | clks[i].parent_name, | ||
190 | clks[i].flags, | ||
191 | base + clks[i].offset, | ||
192 | clks[i].bit_idx, | ||
193 | clks[i].gate_flags, | ||
194 | &hisi_clk_lock); | ||
195 | if (IS_ERR(clk)) { | ||
196 | pr_err("%s: failed to register clock %s\n", | ||
197 | __func__, clks[i].name); | ||
198 | continue; | ||
199 | } | ||
200 | |||
201 | if (clks[i].alias) | ||
202 | clk_register_clkdev(clk, clks[i].alias, NULL); | ||
203 | |||
204 | data->clk_data.clks[clks[i].id] = clk; | ||
205 | } | ||
206 | } | ||
207 | |||
177 | void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *clks, | 208 | void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *clks, |
178 | int nums, struct hisi_clock_data *data) | 209 | int nums, struct hisi_clock_data *data) |
179 | { | 210 | { |
diff --git a/drivers/clk/hisilicon/clk.h b/drivers/clk/hisilicon/clk.h index 43fa5da88f02..31083ffc0650 100644 --- a/drivers/clk/hisilicon/clk.h +++ b/drivers/clk/hisilicon/clk.h | |||
@@ -62,6 +62,7 @@ struct hisi_mux_clock { | |||
62 | u8 shift; | 62 | u8 shift; |
63 | u8 width; | 63 | u8 width; |
64 | u8 mux_flags; | 64 | u8 mux_flags; |
65 | u32 *table; | ||
65 | const char *alias; | 66 | const char *alias; |
66 | }; | 67 | }; |
67 | 68 | ||
@@ -103,6 +104,8 @@ void __init hisi_clk_register_mux(struct hisi_mux_clock *, int, | |||
103 | struct hisi_clock_data *); | 104 | struct hisi_clock_data *); |
104 | void __init hisi_clk_register_divider(struct hisi_divider_clock *, | 105 | void __init hisi_clk_register_divider(struct hisi_divider_clock *, |
105 | int, struct hisi_clock_data *); | 106 | int, struct hisi_clock_data *); |
107 | void __init hisi_clk_register_gate(struct hisi_gate_clock *, | ||
108 | int, struct hisi_clock_data *); | ||
106 | void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *, | 109 | void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *, |
107 | int, struct hisi_clock_data *); | 110 | int, struct hisi_clock_data *); |
108 | #endif /* __HISI_CLK_H */ | 111 | #endif /* __HISI_CLK_H */ |