1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * pxa168 clock framework source file
4 *
5 * Copyright (C) 2012 Marvell
6 * Chao Xie <xiechao.mail@gmail.com>
7 */
8
9 #include <linux/module.h>
10 #include <linux/kernel.h>
11 #include <linux/spinlock.h>
12 #include <linux/io.h>
13 #include <linux/delay.h>
14 #include <linux/err.h>
15 #include <linux/of_address.h>
16
17 #include <dt-bindings/clock/marvell,pxa168.h>
18
19 #include "clk.h"
20 #include "reset.h"
21
22 #define APBC_UART0 0x0
23 #define APBC_UART1 0x4
24 #define APBC_GPIO 0x8
25 #define APBC_PWM0 0xc
26 #define APBC_PWM1 0x10
27 #define APBC_PWM2 0x14
28 #define APBC_PWM3 0x18
29 #define APBC_RTC 0x28
30 #define APBC_TWSI0 0x2c
31 #define APBC_KPC 0x30
32 #define APBC_TIMER 0x34
33 #define APBC_AIB 0x3c
34 #define APBC_SW_JTAG 0x40
35 #define APBC_ONEWIRE 0x48
36 #define APBC_TWSI1 0x6c
37 #define APBC_UART2 0x70
38 #define APBC_AC97 0x84
39 #define APBC_SSP0 0x81c
40 #define APBC_SSP1 0x820
41 #define APBC_SSP2 0x84c
42 #define APBC_SSP3 0x858
43 #define APBC_SSP4 0x85c
44 #define APMU_DISP0 0x4c
45 #define APMU_CCIC0 0x50
46 #define APMU_SDH0 0x54
47 #define APMU_SDH1 0x58
48 #define APMU_USB 0x5c
49 #define APMU_DFC 0x60
50 #define APMU_DMA 0x64
51 #define APMU_BUS 0x6c
52 #define APMU_GC 0xcc
53 #define APMU_SMC 0xd4
54 #define APMU_XD 0xdc
55 #define APMU_SDH2 0xe0
56 #define APMU_SDH3 0xe4
57 #define APMU_CF 0xf0
58 #define APMU_MSP 0xf4
59 #define APMU_CMU 0xf8
60 #define APMU_FE 0xfc
61 #define APMU_PCIE 0x100
62 #define APMU_EPD 0x104
63 #define MPMU_UART_PLL 0x14
64
65 #define NR_CLKS 200
66
67 struct pxa168_clk_unit {
68 struct mmp_clk_unit unit;
69 void __iomem *mpmu_base;
70 void __iomem *apmu_base;
71 void __iomem *apbc_base;
72 };
73
74 static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = {
75 {PXA168_CLK_CLK32, "clk32", NULL, 0, 32768},
76 {PXA168_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000},
77 {PXA168_CLK_PLL1, "pll1", NULL, 0, 624000000},
78 {PXA168_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000},
79 };
80
81 static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
82 {PXA168_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
83 {PXA168_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
84 {PXA168_CLK_PLL1_8, "pll1_8", "pll1_4", 1, 2, 0},
85 {PXA168_CLK_PLL1_16, "pll1_16", "pll1_8", 1, 2, 0},
86 {PXA168_CLK_PLL1_6, "pll1_6", "pll1_2", 1, 3, 0},
87 {PXA168_CLK_PLL1_12, "pll1_12", "pll1_6", 1, 2, 0},
88 {PXA168_CLK_PLL1_24, "pll1_24", "pll1_12", 1, 2, 0},
89 {PXA168_CLK_PLL1_48, "pll1_48", "pll1_24", 1, 2, 0},
90 {PXA168_CLK_PLL1_96, "pll1_96", "pll1_48", 1, 2, 0},
91 {PXA168_CLK_PLL1_192, "pll1_192", "pll1_96", 1, 2, 0},
92 {PXA168_CLK_PLL1_13, "pll1_13", "pll1", 1, 13, 0},
93 {PXA168_CLK_PLL1_13_1_5, "pll1_13_1_5", "pll1_13", 1, 5, 0},
94 {PXA168_CLK_PLL1_2_1_5, "pll1_2_1_5", "pll1_2", 1, 5, 0},
95 {PXA168_CLK_PLL1_3_16, "pll1_3_16", "pll1", 3, 16, 0},
96 {PXA168_CLK_PLL1_2_1_10, "pll1_2_1_10", "pll1_2", 1, 10, 0},
97 {PXA168_CLK_PLL1_2_3_16, "pll1_2_3_16", "pll1_2", 3, 16, 0},
98 {PXA168_CLK_CLK32_2, "clk32_2", "clk32", 1, 2, 0},
99 };
100
101 static struct mmp_clk_factor_masks uart_factor_masks = {
102 .factor = 2,
103 .num_mask = 0x1fff,
104 .den_mask = 0x1fff,
105 .num_shift = 16,
106 .den_shift = 0,
107 };
108
109 static struct u32_fract uart_factor_tbl[] = {
110 { .numerator = 8125, .denominator = 1536 }, /* 14.745MHZ */
111 };
112
pxa168_pll_init(struct pxa168_clk_unit * pxa_unit)113 static void pxa168_pll_init(struct pxa168_clk_unit *pxa_unit)
114 {
115 struct clk *clk;
116 struct mmp_clk_unit *unit = &pxa_unit->unit;
117
118 mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
119 ARRAY_SIZE(fixed_rate_clks));
120
121 mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
122 ARRAY_SIZE(fixed_factor_clks));
123
124 clk = mmp_clk_register_factor("uart_pll", "pll1_4",
125 CLK_SET_RATE_PARENT,
126 pxa_unit->mpmu_base + MPMU_UART_PLL,
127 &uart_factor_masks, uart_factor_tbl,
128 ARRAY_SIZE(uart_factor_tbl), NULL);
129 mmp_clk_add(unit, PXA168_CLK_UART_PLL, clk);
130 }
131
132 static DEFINE_SPINLOCK(twsi0_lock);
133 static DEFINE_SPINLOCK(twsi1_lock);
134 static const char * const twsi_parent_names[] = {"pll1_2_1_10", "pll1_2_1_5"};
135
136 static DEFINE_SPINLOCK(kpc_lock);
137 static const char * const kpc_parent_names[] = {"clk32", "clk32_2", "pll1_24"};
138
139 static DEFINE_SPINLOCK(pwm0_lock);
140 static DEFINE_SPINLOCK(pwm1_lock);
141 static DEFINE_SPINLOCK(pwm2_lock);
142 static DEFINE_SPINLOCK(pwm3_lock);
143 static const char * const pwm_parent_names[] = {"pll1_48", "clk32"};
144
145 static DEFINE_SPINLOCK(uart0_lock);
146 static DEFINE_SPINLOCK(uart1_lock);
147 static DEFINE_SPINLOCK(uart2_lock);
148 static const char * const uart_parent_names[] = {"pll1_2_3_16", "uart_pll"};
149
150 static DEFINE_SPINLOCK(ssp0_lock);
151 static DEFINE_SPINLOCK(ssp1_lock);
152 static DEFINE_SPINLOCK(ssp2_lock);
153 static DEFINE_SPINLOCK(ssp3_lock);
154 static DEFINE_SPINLOCK(ssp4_lock);
155 static const char * const ssp_parent_names[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
156
157 static DEFINE_SPINLOCK(timer_lock);
158 static const char * const timer_parent_names[] = {"pll1_48", "clk32", "pll1_96", "pll1_192"};
159
160 static DEFINE_SPINLOCK(reset_lock);
161
162 static struct mmp_param_mux_clk apbc_mux_clks[] = {
163 {0, "twsi0_mux", twsi_parent_names, ARRAY_SIZE(twsi_parent_names), CLK_SET_RATE_PARENT, APBC_TWSI0, 4, 3, 0, &twsi0_lock},
164 {0, "twsi1_mux", twsi_parent_names, ARRAY_SIZE(twsi_parent_names), CLK_SET_RATE_PARENT, APBC_TWSI1, 4, 3, 0, &twsi1_lock},
165 {0, "kpc_mux", kpc_parent_names, ARRAY_SIZE(kpc_parent_names), CLK_SET_RATE_PARENT, APBC_KPC, 4, 3, 0, &kpc_lock},
166 {0, "pwm0_mux", pwm_parent_names, ARRAY_SIZE(pwm_parent_names), CLK_SET_RATE_PARENT, APBC_PWM0, 4, 3, 0, &pwm0_lock},
167 {0, "pwm1_mux", pwm_parent_names, ARRAY_SIZE(pwm_parent_names), CLK_SET_RATE_PARENT, APBC_PWM1, 4, 3, 0, &pwm1_lock},
168 {0, "pwm2_mux", pwm_parent_names, ARRAY_SIZE(pwm_parent_names), CLK_SET_RATE_PARENT, APBC_PWM2, 4, 3, 0, &pwm2_lock},
169 {0, "pwm3_mux", pwm_parent_names, ARRAY_SIZE(pwm_parent_names), CLK_SET_RATE_PARENT, APBC_PWM3, 4, 3, 0, &pwm3_lock},
170 {0, "uart0_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART0, 4, 3, 0, &uart0_lock},
171 {0, "uart1_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART1, 4, 3, 0, &uart1_lock},
172 {0, "uart2_mux", uart_parent_names, ARRAY_SIZE(uart_parent_names), CLK_SET_RATE_PARENT, APBC_UART2, 4, 3, 0, &uart2_lock},
173 {0, "ssp0_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP0, 4, 3, 0, &ssp0_lock},
174 {0, "ssp1_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP1, 4, 3, 0, &ssp1_lock},
175 {0, "ssp2_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP2, 4, 3, 0, &ssp2_lock},
176 {0, "ssp3_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP3, 4, 3, 0, &ssp3_lock},
177 {0, "ssp4_mux", ssp_parent_names, ARRAY_SIZE(ssp_parent_names), CLK_SET_RATE_PARENT, APBC_SSP4, 4, 3, 0, &ssp4_lock},
178 {0, "timer_mux", timer_parent_names, ARRAY_SIZE(timer_parent_names), CLK_SET_RATE_PARENT, APBC_TIMER, 4, 3, 0, &timer_lock},
179 };
180
181 static struct mmp_param_gate_clk apbc_gate_clks[] = {
182 {PXA168_CLK_TWSI0, "twsi0_clk", "twsi0_mux", CLK_SET_RATE_PARENT, APBC_TWSI0, 0x3, 0x3, 0x0, 0, &twsi0_lock},
183 {PXA168_CLK_TWSI1, "twsi1_clk", "twsi1_mux", CLK_SET_RATE_PARENT, APBC_TWSI1, 0x3, 0x3, 0x0, 0, &twsi1_lock},
184 {PXA168_CLK_GPIO, "gpio_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_GPIO, 0x1, 0x1, 0x0, 0, &reset_lock},
185 {PXA168_CLK_KPC, "kpc_clk", "kpc_mux", CLK_SET_RATE_PARENT, APBC_KPC, 0x3, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &kpc_lock},
186 {PXA168_CLK_RTC, "rtc_clk", "clk32", CLK_SET_RATE_PARENT, APBC_RTC, 0x83, 0x83, 0x0, MMP_CLK_GATE_NEED_DELAY, NULL},
187 {PXA168_CLK_PWM0, "pwm0_clk", "pwm0_mux", CLK_SET_RATE_PARENT, APBC_PWM0, 0x3, 0x3, 0x0, 0, &pwm0_lock},
188 {PXA168_CLK_PWM1, "pwm1_clk", "pwm1_mux", CLK_SET_RATE_PARENT, APBC_PWM1, 0x3, 0x3, 0x0, 0, &pwm1_lock},
189 {PXA168_CLK_PWM2, "pwm2_clk", "pwm2_mux", CLK_SET_RATE_PARENT, APBC_PWM2, 0x3, 0x3, 0x0, 0, &pwm2_lock},
190 {PXA168_CLK_PWM3, "pwm3_clk", "pwm3_mux", CLK_SET_RATE_PARENT, APBC_PWM3, 0x3, 0x3, 0x0, 0, &pwm3_lock},
191 {PXA168_CLK_UART0, "uart0_clk", "uart0_mux", CLK_SET_RATE_PARENT, APBC_UART0, 0x3, 0x3, 0x0, 0, &uart0_lock},
192 {PXA168_CLK_UART1, "uart1_clk", "uart1_mux", CLK_SET_RATE_PARENT, APBC_UART1, 0x3, 0x3, 0x0, 0, &uart1_lock},
193 {PXA168_CLK_UART2, "uart2_clk", "uart2_mux", CLK_SET_RATE_PARENT, APBC_UART2, 0x3, 0x3, 0x0, 0, &uart2_lock},
194 {PXA168_CLK_SSP0, "ssp0_clk", "ssp0_mux", CLK_SET_RATE_PARENT, APBC_SSP0, 0x3, 0x3, 0x0, 0, &ssp0_lock},
195 {PXA168_CLK_SSP1, "ssp1_clk", "ssp1_mux", CLK_SET_RATE_PARENT, APBC_SSP1, 0x3, 0x3, 0x0, 0, &ssp1_lock},
196 {PXA168_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x3, 0x3, 0x0, 0, &ssp2_lock},
197 {PXA168_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x3, 0x3, 0x0, 0, &ssp3_lock},
198 {PXA168_CLK_SSP4, "ssp4_clk", "ssp4_mux", CLK_SET_RATE_PARENT, APBC_SSP4, 0x3, 0x3, 0x0, 0, &ssp4_lock},
199 {PXA168_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x3, 0x3, 0x0, 0, &timer_lock},
200 };
201
pxa168_apb_periph_clk_init(struct pxa168_clk_unit * pxa_unit)202 static void pxa168_apb_periph_clk_init(struct pxa168_clk_unit *pxa_unit)
203 {
204 struct mmp_clk_unit *unit = &pxa_unit->unit;
205
206 mmp_register_mux_clks(unit, apbc_mux_clks, pxa_unit->apbc_base,
207 ARRAY_SIZE(apbc_mux_clks));
208
209 mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base,
210 ARRAY_SIZE(apbc_gate_clks));
211
212 }
213
214 static DEFINE_SPINLOCK(dfc_lock);
215 static const char * const dfc_parent_names[] = {"pll1_4", "pll1_8"};
216
217 static DEFINE_SPINLOCK(sdh0_lock);
218 static DEFINE_SPINLOCK(sdh1_lock);
219 static DEFINE_SPINLOCK(sdh2_lock);
220 static DEFINE_SPINLOCK(sdh3_lock);
221 static const char * const sdh_parent_names[] = {"pll1_13", "pll1_12", "pll1_8"};
222
223 static DEFINE_SPINLOCK(usb_lock);
224
225 static DEFINE_SPINLOCK(disp0_lock);
226 static const char * const disp_parent_names[] = {"pll1", "pll1_2"};
227
228 static DEFINE_SPINLOCK(ccic0_lock);
229 static const char * const ccic_parent_names[] = {"pll1_4", "pll1_8"};
230 static const char * const ccic_phy_parent_names[] = {"pll1_6", "pll1_12"};
231
232 static struct mmp_param_mux_clk apmu_mux_clks[] = {
233 {0, "dfc_mux", dfc_parent_names, ARRAY_SIZE(dfc_parent_names), CLK_SET_RATE_PARENT, APMU_DFC, 6, 1, 0, &dfc_lock},
234 {0, "sdh0_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH0, 6, 2, 0, &sdh0_lock},
235 {0, "sdh1_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH1, 6, 2, 0, &sdh1_lock},
236 {0, "sdh2_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH2, 6, 2, 0, &sdh2_lock},
237 {0, "sdh3_mux", sdh_parent_names, ARRAY_SIZE(sdh_parent_names), CLK_SET_RATE_PARENT, APMU_SDH3, 6, 2, 0, &sdh3_lock},
238 {0, "disp0_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP0, 6, 1, 0, &disp0_lock},
239 {0, "ccic0_mux", ccic_parent_names, ARRAY_SIZE(ccic_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 6, 1, 0, &ccic0_lock},
240 {0, "ccic0_phy_mux", ccic_phy_parent_names, ARRAY_SIZE(ccic_phy_parent_names), CLK_SET_RATE_PARENT, APMU_CCIC0, 7, 1, 0, &ccic0_lock},
241 };
242
243 static struct mmp_param_div_clk apmu_div_clks[] = {
244 {0, "ccic0_sphy_div", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 10, 5, 0, &ccic0_lock},
245 };
246
247 static struct mmp_param_gate_clk apmu_gate_clks[] = {
248 {PXA168_CLK_DFC, "dfc_clk", "dfc_mux", CLK_SET_RATE_PARENT, APMU_DFC, 0x19b, 0x19b, 0x0, 0, &dfc_lock},
249 {PXA168_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock},
250 {PXA168_CLK_SPH, "sph_clk", "usb_pll", 0, APMU_USB, 0x12, 0x12, 0x0, 0, &usb_lock},
251 {PXA168_CLK_SDH0, "sdh0_clk", "sdh0_mux", CLK_SET_RATE_PARENT, APMU_SDH0, 0x12, 0x12, 0x0, 0, &sdh0_lock},
252 {PXA168_CLK_SDH1, "sdh1_clk", "sdh1_mux", CLK_SET_RATE_PARENT, APMU_SDH1, 0x12, 0x12, 0x0, 0, &sdh1_lock},
253 {PXA168_CLK_SDH2, "sdh2_clk", "sdh2_mux", CLK_SET_RATE_PARENT, APMU_SDH2, 0x12, 0x12, 0x0, 0, &sdh2_lock},
254 {PXA168_CLK_SDH3, "sdh3_clk", "sdh3_mux", CLK_SET_RATE_PARENT, APMU_SDH3, 0x12, 0x12, 0x0, 0, &sdh3_lock},
255 /* SDH0/1 and 2/3 AXI clocks are also gated by common bits in SDH0 and SDH2 registers */
256 {PXA168_CLK_SDH01_AXI, "sdh01_axi_clk", NULL, CLK_SET_RATE_PARENT, APMU_SDH0, 0x9, 0x9, 0x0, 0, &sdh0_lock},
257 {PXA168_CLK_SDH23_AXI, "sdh23_axi_clk", NULL, CLK_SET_RATE_PARENT, APMU_SDH2, 0x9, 0x9, 0x0, 0, &sdh2_lock},
258 {PXA168_CLK_DISP0, "disp0_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1b, 0x1b, 0x0, 0, &disp0_lock},
259 {PXA168_CLK_CCIC0, "ccic0_clk", "ccic0_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1b, 0x1b, 0x0, 0, &ccic0_lock},
260 {PXA168_CLK_CCIC0_PHY, "ccic0_phy_clk", "ccic0_phy_mux", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x24, 0x24, 0x0, 0, &ccic0_lock},
261 {PXA168_CLK_CCIC0_SPHY, "ccic0_sphy_clk", "ccic0_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x300, 0x300, 0x0, 0, &ccic0_lock},
262 };
263
pxa168_axi_periph_clk_init(struct pxa168_clk_unit * pxa_unit)264 static void pxa168_axi_periph_clk_init(struct pxa168_clk_unit *pxa_unit)
265 {
266 struct mmp_clk_unit *unit = &pxa_unit->unit;
267
268 mmp_register_mux_clks(unit, apmu_mux_clks, pxa_unit->apmu_base,
269 ARRAY_SIZE(apmu_mux_clks));
270
271 mmp_register_div_clks(unit, apmu_div_clks, pxa_unit->apmu_base,
272 ARRAY_SIZE(apmu_div_clks));
273
274 mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base,
275 ARRAY_SIZE(apmu_gate_clks));
276 }
277
pxa168_clk_reset_init(struct device_node * np,struct pxa168_clk_unit * pxa_unit)278 static void pxa168_clk_reset_init(struct device_node *np,
279 struct pxa168_clk_unit *pxa_unit)
280 {
281 struct mmp_clk_reset_cell *cells;
282 int i, nr_resets;
283
284 nr_resets = ARRAY_SIZE(apbc_gate_clks);
285 cells = kcalloc(nr_resets, sizeof(*cells), GFP_KERNEL);
286 if (!cells)
287 return;
288
289 for (i = 0; i < nr_resets; i++) {
290 cells[i].clk_id = apbc_gate_clks[i].id;
291 cells[i].reg = pxa_unit->apbc_base + apbc_gate_clks[i].offset;
292 cells[i].flags = 0;
293 cells[i].lock = apbc_gate_clks[i].lock;
294 cells[i].bits = 0x4;
295 }
296
297 mmp_clk_reset_register(np, cells, nr_resets);
298 }
299
pxa168_clk_init(struct device_node * np)300 static void __init pxa168_clk_init(struct device_node *np)
301 {
302 struct pxa168_clk_unit *pxa_unit;
303
304 pxa_unit = kzalloc(sizeof(*pxa_unit), GFP_KERNEL);
305 if (!pxa_unit)
306 return;
307
308 pxa_unit->mpmu_base = of_iomap(np, 0);
309 if (!pxa_unit->mpmu_base) {
310 pr_err("failed to map mpmu registers\n");
311 kfree(pxa_unit);
312 return;
313 }
314
315 pxa_unit->apmu_base = of_iomap(np, 1);
316 if (!pxa_unit->apmu_base) {
317 pr_err("failed to map apmu registers\n");
318 kfree(pxa_unit);
319 return;
320 }
321
322 pxa_unit->apbc_base = of_iomap(np, 2);
323 if (!pxa_unit->apbc_base) {
324 pr_err("failed to map apbc registers\n");
325 kfree(pxa_unit);
326 return;
327 }
328
329 mmp_clk_init(np, &pxa_unit->unit, NR_CLKS);
330
331 pxa168_pll_init(pxa_unit);
332
333 pxa168_apb_periph_clk_init(pxa_unit);
334
335 pxa168_axi_periph_clk_init(pxa_unit);
336
337 pxa168_clk_reset_init(np, pxa_unit);
338 }
339
340 CLK_OF_DECLARE(pxa168_clk, "marvell,pxa168-clock", pxa168_clk_init);
341