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authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>2019-01-14 22:33:39 -0500
committerStephen Boyd <sboyd@kernel.org>2019-02-22 03:01:08 -0500
commited6b4795ece45e43856f6a42571d477695173742 (patch)
tree6fb772c984a32c57b3f921307ab4cd4fb5609c45
parent0c8c53e033d278cad09a81ec1c46a401a6a6b1af (diff)
clk: actions: Add clock driver for S500 SoC
Add common clock driver for Actions Semi S500 SoC. Signed-off-by: Edgar Bernardi Righi <edgar.righi@lsitec.org.br> [Mani: cleaned up the driver] Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat
-rw-r--r--drivers/clk/actions/Kconfig5
-rw-r--r--drivers/clk/actions/Makefile1
-rw-r--r--drivers/clk/actions/owl-s500.c525
3 files changed, 531 insertions, 0 deletions
diff --git a/drivers/clk/actions/Kconfig b/drivers/clk/actions/Kconfig
index 04f0a6355726..5b45ca35757e 100644
--- a/drivers/clk/actions/Kconfig
+++ b/drivers/clk/actions/Kconfig
@@ -9,6 +9,11 @@ if CLK_ACTIONS
9 9
10# SoC Drivers 10# SoC Drivers
11 11
12config CLK_OWL_S500
13 bool "Support for the Actions Semi OWL S500 clocks"
14 depends on ARCH_ACTIONS || COMPILE_TEST
15 default ARCH_ACTIONS
16
12config CLK_OWL_S700 17config CLK_OWL_S700
13 bool "Support for the Actions Semi OWL S700 clocks" 18 bool "Support for the Actions Semi OWL S700 clocks"
14 depends on (ARM64 && ARCH_ACTIONS) || COMPILE_TEST 19 depends on (ARM64 && ARCH_ACTIONS) || COMPILE_TEST
diff --git a/drivers/clk/actions/Makefile b/drivers/clk/actions/Makefile
index ccfdf9781cef..a2588e55c790 100644
--- a/drivers/clk/actions/Makefile
+++ b/drivers/clk/actions/Makefile
@@ -10,5 +10,6 @@ clk-owl-y += owl-pll.o
10clk-owl-y += owl-reset.o 10clk-owl-y += owl-reset.o
11 11
12# SoC support 12# SoC support
13obj-$(CONFIG_CLK_OWL_S500) += owl-s500.o
13obj-$(CONFIG_CLK_OWL_S700) += owl-s700.o 14obj-$(CONFIG_CLK_OWL_S700) += owl-s700.o
14obj-$(CONFIG_CLK_OWL_S900) += owl-s900.o 15obj-$(CONFIG_CLK_OWL_S900) += owl-s900.o
diff --git a/drivers/clk/actions/owl-s500.c b/drivers/clk/actions/owl-s500.c
new file mode 100644
index 000000000000..e2007ac4d235
--- /dev/null
+++ b/drivers/clk/actions/owl-s500.c
@@ -0,0 +1,525 @@
1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Actions Semi Owl S500 SoC clock driver
4 *
5 * Copyright (c) 2014 Actions Semi Inc.
6 * Author: David Liu <liuwei@actions-semi.com>
7 *
8 * Copyright (c) 2018 Linaro Ltd.
9 * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
10 *
11 * Copyright (c) 2018 LSI-TEC - Caninos Loucos
12 * Author: Edgar Bernardi Righi <edgar.righi@lsitec.org.br>
13 */
14
15#include <linux/clk-provider.h>
16#include <linux/platform_device.h>
17
18#include "owl-common.h"
19#include "owl-composite.h"
20#include "owl-divider.h"
21#include "owl-factor.h"
22#include "owl-fixed-factor.h"
23#include "owl-gate.h"
24#include "owl-mux.h"
25#include "owl-pll.h"
26
27#include <dt-bindings/clock/actions,s500-cmu.h>
28
29#define CMU_COREPLL (0x0000)
30#define CMU_DEVPLL (0x0004)
31#define CMU_DDRPLL (0x0008)
32#define CMU_NANDPLL (0x000C)
33#define CMU_DISPLAYPLL (0x0010)
34#define CMU_AUDIOPLL (0x0014)
35#define CMU_TVOUTPLL (0x0018)
36#define CMU_BUSCLK (0x001C)
37#define CMU_SENSORCLK (0x0020)
38#define CMU_LCDCLK (0x0024)
39#define CMU_DSICLK (0x0028)
40#define CMU_CSICLK (0x002C)
41#define CMU_DECLK (0x0030)
42#define CMU_BISPCLK (0x0034)
43#define CMU_BUSCLK1 (0x0038)
44#define CMU_VDECLK (0x0040)
45#define CMU_VCECLK (0x0044)
46#define CMU_NANDCCLK (0x004C)
47#define CMU_SD0CLK (0x0050)
48#define CMU_SD1CLK (0x0054)
49#define CMU_SD2CLK (0x0058)
50#define CMU_UART0CLK (0x005C)
51#define CMU_UART1CLK (0x0060)
52#define CMU_UART2CLK (0x0064)
53#define CMU_PWM4CLK (0x0068)
54#define CMU_PWM5CLK (0x006C)
55#define CMU_PWM0CLK (0x0070)
56#define CMU_PWM1CLK (0x0074)
57#define CMU_PWM2CLK (0x0078)
58#define CMU_PWM3CLK (0x007C)
59#define CMU_USBPLL (0x0080)
60#define CMU_ETHERNETPLL (0x0084)
61#define CMU_CVBSPLL (0x0088)
62#define CMU_LENSCLK (0x008C)
63#define CMU_GPU3DCLK (0x0090)
64#define CMU_CORECTL (0x009C)
65#define CMU_DEVCLKEN0 (0x00A0)
66#define CMU_DEVCLKEN1 (0x00A4)
67#define CMU_DEVRST0 (0x00A8)
68#define CMU_DEVRST1 (0x00AC)
69#define CMU_UART3CLK (0x00B0)
70#define CMU_UART4CLK (0x00B4)
71#define CMU_UART5CLK (0x00B8)
72#define CMU_UART6CLK (0x00BC)
73#define CMU_SSCLK (0x00C0)
74#define CMU_DIGITALDEBUG (0x00D0)
75#define CMU_ANALOGDEBUG (0x00D4)
76#define CMU_COREPLLDEBUG (0x00D8)
77#define CMU_DEVPLLDEBUG (0x00DC)
78#define CMU_DDRPLLDEBUG (0x00E0)
79#define CMU_NANDPLLDEBUG (0x00E4)
80#define CMU_DISPLAYPLLDEBUG (0x00E8)
81#define CMU_TVOUTPLLDEBUG (0x00EC)
82#define CMU_DEEPCOLORPLLDEBUG (0x00F4)
83#define CMU_AUDIOPLL_ETHPLLDEBUG (0x00F8)
84#define CMU_CVBSPLLDEBUG (0x00FC)
85
86#define OWL_S500_COREPLL_DELAY (150)
87#define OWL_S500_DDRPLL_DELAY (63)
88#define OWL_S500_DEVPLL_DELAY (28)
89#define OWL_S500_NANDPLL_DELAY (44)
90#define OWL_S500_DISPLAYPLL_DELAY (57)
91#define OWL_S500_ETHERNETPLL_DELAY (25)
92#define OWL_S500_AUDIOPLL_DELAY (100)
93
94static const struct clk_pll_table clk_audio_pll_table[] = {
95 { 0, 45158400 }, { 1, 49152000 },
96 { 0, 0 },
97};
98
99/* pll clocks */
100static OWL_PLL_NO_PARENT_DELAY(ethernet_pll_clk, "ethernet_pll_clk", CMU_ETHERNETPLL, 500000000, 0, 0, 0, 0, 0, OWL_S500_ETHERNETPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
101static OWL_PLL_NO_PARENT_DELAY(core_pll_clk, "core_pll_clk", CMU_COREPLL, 12000000, 9, 0, 8, 4, 134, OWL_S500_COREPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
102static OWL_PLL_NO_PARENT_DELAY(ddr_pll_clk, "ddr_pll_clk", CMU_DDRPLL, 12000000, 8, 0, 8, 1, 67, OWL_S500_DDRPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
103static OWL_PLL_NO_PARENT_DELAY(nand_pll_clk, "nand_pll_clk", CMU_NANDPLL, 6000000, 8, 0, 7, 2, 86, OWL_S500_NANDPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
104static OWL_PLL_NO_PARENT_DELAY(display_pll_clk, "display_pll_clk", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 2, 126, OWL_S500_DISPLAYPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
105static OWL_PLL_NO_PARENT_DELAY(dev_pll_clk, "dev_pll_clk", CMU_DEVPLL, 6000000, 8, 0, 7, 8, 126, OWL_S500_DEVPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
106static OWL_PLL_NO_PARENT_DELAY(audio_pll_clk, "audio_pll_clk", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, OWL_S500_AUDIOPLL_DELAY, clk_audio_pll_table, CLK_IGNORE_UNUSED);
107
108static const char * const dev_clk_mux_p[] = { "hosc", "dev_pll_clk" };
109static const char * const bisp_clk_mux_p[] = { "display_pll_clk", "dev_clk" };
110static const char * const sensor_clk_mux_p[] = { "hosc", "bisp_clk" };
111static const char * const sd_clk_mux_p[] = { "dev_clk", "nand_pll_clk" };
112static const char * const pwm_clk_mux_p[] = { "losc", "hosc" };
113static const char * const ahbprediv_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
114static const char * const uart_clk_mux_p[] = { "hosc", "dev_pll_clk" };
115static const char * const de_clk_mux_p[] = { "display_pll_clk", "dev_clk" };
116static const char * const i2s_clk_mux_p[] = { "audio_pll_clk" };
117static const char * const hde_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
118static const char * const nand_clk_mux_p[] = { "nand_pll_clk", "display_pll_clk", "dev_clk", "ddr_pll_clk" };
119
120static struct clk_factor_table sd_factor_table[] = {
121 /* bit0 ~ 4 */
122 { 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
123 { 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
124 { 8, 1, 9 }, { 9, 1, 10 }, { 10, 1, 11 }, { 11, 1, 12 },
125 { 12, 1, 13 }, { 13, 1, 14 }, { 14, 1, 15 }, { 15, 1, 16 },
126 { 16, 1, 17 }, { 17, 1, 18 }, { 18, 1, 19 }, { 19, 1, 20 },
127 { 20, 1, 21 }, { 21, 1, 22 }, { 22, 1, 23 }, { 23, 1, 24 },
128 { 24, 1, 25 }, { 25, 1, 26 }, { 26, 1, 27 }, { 27, 1, 28 },
129 { 28, 1, 29 }, { 29, 1, 30 }, { 30, 1, 31 }, { 31, 1, 32 },
130
131 /* bit8: /128 */
132 { 256, 1, 1 * 128 }, { 257, 1, 2 * 128 }, { 258, 1, 3 * 128 }, { 259, 1, 4 * 128 },
133 { 260, 1, 5 * 128 }, { 261, 1, 6 * 128 }, { 262, 1, 7 * 128 }, { 263, 1, 8 * 128 },
134 { 264, 1, 9 * 128 }, { 265, 1, 10 * 128 }, { 266, 1, 11 * 128 }, { 267, 1, 12 * 128 },
135 { 268, 1, 13 * 128 }, { 269, 1, 14 * 128 }, { 270, 1, 15 * 128 }, { 271, 1, 16 * 128 },
136 { 272, 1, 17 * 128 }, { 273, 1, 18 * 128 }, { 274, 1, 19 * 128 }, { 275, 1, 20 * 128 },
137 { 276, 1, 21 * 128 }, { 277, 1, 22 * 128 }, { 278, 1, 23 * 128 }, { 279, 1, 24 * 128 },
138 { 280, 1, 25 * 128 }, { 281, 1, 26 * 128 }, { 282, 1, 27 * 128 }, { 283, 1, 28 * 128 },
139 { 284, 1, 29 * 128 }, { 285, 1, 30 * 128 }, { 286, 1, 31 * 128 }, { 287, 1, 32 * 128 },
140 { 0, 0, 0 },
141};
142
143static struct clk_factor_table bisp_factor_table[] = {
144 { 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
145 { 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
146 { 0, 0, 0 },
147};
148
149static struct clk_factor_table ahb_factor_table[] = {
150 { 1, 1, 2 }, { 2, 1, 3 },
151 { 0, 0, 0 },
152};
153
154static struct clk_div_table rmii_ref_div_table[] = {
155 { 0, 4 }, { 1, 10 },
156 { 0, 0 },
157};
158
159static struct clk_div_table i2s_div_table[] = {
160 { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
161 { 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
162 { 8, 24 },
163 { 0, 0 },
164};
165
166static struct clk_div_table nand_div_table[] = {
167 { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 6 },
168 { 4, 8 }, { 5, 10 }, { 6, 12 }, { 7, 14 },
169 { 8, 16 }, { 9, 18 }, { 10, 20 }, { 11, 22 },
170 { 0, 0 },
171};
172
173/* mux clock */
174static OWL_MUX(dev_clk, "dev_clk", dev_clk_mux_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
175static OWL_MUX(ahbprediv_clk, "ahbprediv_clk", ahbprediv_clk_mux_p, CMU_BUSCLK1, 8, 3, CLK_SET_RATE_PARENT);
176
177/* gate clocks */
178static OWL_GATE(spi0_clk, "spi0_clk", "ahb_clk", CMU_DEVCLKEN1, 10, 0, CLK_IGNORE_UNUSED);
179static OWL_GATE(spi1_clk, "spi1_clk", "ahb_clk", CMU_DEVCLKEN1, 11, 0, CLK_IGNORE_UNUSED);
180static OWL_GATE(spi2_clk, "spi2_clk", "ahb_clk", CMU_DEVCLKEN1, 12, 0, CLK_IGNORE_UNUSED);
181static OWL_GATE(spi3_clk, "spi3_clk", "ahb_clk", CMU_DEVCLKEN1, 13, 0, CLK_IGNORE_UNUSED);
182static OWL_GATE(timer_clk, "timer_clk", "hosc", CMU_DEVCLKEN1, 27, 0, 0);
183static OWL_GATE(hdmi_clk, "hdmi_clk", "hosc", CMU_DEVCLKEN1, 3, 0, 0);
184
185/* divider clocks */
186static OWL_DIVIDER(h_clk, "h_clk", "ahbprevdiv_clk", CMU_BUSCLK1, 12, 2, NULL, 0, 0);
187static OWL_DIVIDER(rmii_ref_clk, "rmii_ref_clk", "ethernet_pll_clk", CMU_ETHERNETPLL, 1, 1, rmii_ref_div_table, 0, 0);
188
189/* factor clocks */
190static OWL_FACTOR(ahb_clk, "ahb_clk", "h_clk", CMU_BUSCLK1, 2, 2, ahb_factor_table, 0, 0);
191static OWL_FACTOR(de1_clk, "de_clk1", "de_clk", CMU_DECLK, 0, 3, bisp_factor_table, 0, 0);
192static OWL_FACTOR(de2_clk, "de_clk2", "de_clk", CMU_DECLK, 4, 3, bisp_factor_table, 0, 0);
193
194/* composite clocks */
195static OWL_COMP_FACTOR(vce_clk, "vce_clk", hde_clk_mux_p,
196 OWL_MUX_HW(CMU_VCECLK, 4, 2),
197 OWL_GATE_HW(CMU_DEVCLKEN0, 26, 0),
198 OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, bisp_factor_table),
199 0);
200
201static OWL_COMP_FACTOR(vde_clk, "vde_clk", hde_clk_mux_p,
202 OWL_MUX_HW(CMU_VDECLK, 4, 2),
203 OWL_GATE_HW(CMU_DEVCLKEN0, 25, 0),
204 OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, bisp_factor_table),
205 0);
206
207static OWL_COMP_FACTOR(bisp_clk, "bisp_clk", bisp_clk_mux_p,
208 OWL_MUX_HW(CMU_BISPCLK, 4, 1),
209 OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
210 OWL_FACTOR_HW(CMU_BISPCLK, 0, 3, 0, bisp_factor_table),
211 0);
212
213static OWL_COMP_FACTOR(sensor0_clk, "sensor0_clk", sensor_clk_mux_p,
214 OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
215 OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
216 OWL_FACTOR_HW(CMU_SENSORCLK, 0, 3, 0, bisp_factor_table),
217 CLK_IGNORE_UNUSED);
218
219static OWL_COMP_FACTOR(sensor1_clk, "sensor1_clk", sensor_clk_mux_p,
220 OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
221 OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
222 OWL_FACTOR_HW(CMU_SENSORCLK, 8, 3, 0, bisp_factor_table),
223 CLK_IGNORE_UNUSED);
224
225static OWL_COMP_FACTOR(sd0_clk, "sd0_clk", sd_clk_mux_p,
226 OWL_MUX_HW(CMU_SD0CLK, 9, 1),
227 OWL_GATE_HW(CMU_DEVCLKEN0, 5, 0),
228 OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
229 0);
230
231static OWL_COMP_FACTOR(sd1_clk, "sd1_clk", sd_clk_mux_p,
232 OWL_MUX_HW(CMU_SD1CLK, 9, 1),
233 OWL_GATE_HW(CMU_DEVCLKEN0, 6, 0),
234 OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
235 0);
236
237static OWL_COMP_FACTOR(sd2_clk, "sd2_clk", sd_clk_mux_p,
238 OWL_MUX_HW(CMU_SD2CLK, 9, 1),
239 OWL_GATE_HW(CMU_DEVCLKEN0, 7, 0),
240 OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
241 0);
242
243static OWL_COMP_DIV(pwm0_clk, "pwm0_clk", pwm_clk_mux_p,
244 OWL_MUX_HW(CMU_PWM0CLK, 12, 1),
245 OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
246 OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 10, 0, NULL),
247 0);
248
249static OWL_COMP_DIV(pwm1_clk, "pwm1_clk", pwm_clk_mux_p,
250 OWL_MUX_HW(CMU_PWM1CLK, 12, 1),
251 OWL_GATE_HW(CMU_DEVCLKEN1, 24, 0),
252 OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 10, 0, NULL),
253 0);
254
255static OWL_COMP_DIV(pwm2_clk, "pwm2_clk", pwm_clk_mux_p,
256 OWL_MUX_HW(CMU_PWM2CLK, 12, 1),
257 OWL_GATE_HW(CMU_DEVCLKEN1, 25, 0),
258 OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 10, 0, NULL),
259 0);
260
261static OWL_COMP_DIV(pwm3_clk, "pwm3_clk", pwm_clk_mux_p,
262 OWL_MUX_HW(CMU_PWM3CLK, 12, 1),
263 OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
264 OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 10, 0, NULL),
265 0);
266
267static OWL_COMP_DIV(pwm4_clk, "pwm4_clk", pwm_clk_mux_p,
268 OWL_MUX_HW(CMU_PWM4CLK, 12, 1),
269 OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
270 OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 10, 0, NULL),
271 0);
272
273static OWL_COMP_DIV(pwm5_clk, "pwm5_clk", pwm_clk_mux_p,
274 OWL_MUX_HW(CMU_PWM5CLK, 12, 1),
275 OWL_GATE_HW(CMU_DEVCLKEN0, 0, 0),
276 OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 10, 0, NULL),
277 0);
278
279static OWL_COMP_PASS(de_clk, "de_clk", de_clk_mux_p,
280 OWL_MUX_HW(CMU_DECLK, 12, 1),
281 OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
282 0);
283
284static OWL_COMP_FIXED_FACTOR(i2c0_clk, "i2c0_clk", "ethernet_pll_clk",
285 OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
286 1, 5, 0);
287
288static OWL_COMP_FIXED_FACTOR(i2c1_clk, "i2c1_clk", "ethernet_pll_clk",
289 OWL_GATE_HW(CMU_DEVCLKEN1, 15, 0),
290 1, 5, 0);
291
292static OWL_COMP_FIXED_FACTOR(i2c2_clk, "i2c2_clk", "ethernet_pll_clk",
293 OWL_GATE_HW(CMU_DEVCLKEN1, 30, 0),
294 1, 5, 0);
295
296static OWL_COMP_FIXED_FACTOR(i2c3_clk, "i2c3_clk", "ethernet_pll_clk",
297 OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
298 1, 5, 0);
299
300static OWL_COMP_DIV(uart0_clk, "uart0_clk", uart_clk_mux_p,
301 OWL_MUX_HW(CMU_UART0CLK, 16, 1),
302 OWL_GATE_HW(CMU_DEVCLKEN1, 6, 0),
303 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
304 CLK_IGNORE_UNUSED);
305
306static OWL_COMP_DIV(uart1_clk, "uart1_clk", uart_clk_mux_p,
307 OWL_MUX_HW(CMU_UART1CLK, 16, 1),
308 OWL_GATE_HW(CMU_DEVCLKEN1, 7, 0),
309 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
310 CLK_IGNORE_UNUSED);
311
312static OWL_COMP_DIV(uart2_clk, "uart2_clk", uart_clk_mux_p,
313 OWL_MUX_HW(CMU_UART2CLK, 16, 1),
314 OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
315 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
316 CLK_IGNORE_UNUSED);
317
318static OWL_COMP_DIV(uart3_clk, "uart3_clk", uart_clk_mux_p,
319 OWL_MUX_HW(CMU_UART3CLK, 16, 1),
320 OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
321 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
322 CLK_IGNORE_UNUSED);
323
324static OWL_COMP_DIV(uart4_clk, "uart4_clk", uart_clk_mux_p,
325 OWL_MUX_HW(CMU_UART4CLK, 16, 1),
326 OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
327 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
328 CLK_IGNORE_UNUSED);
329
330static OWL_COMP_DIV(uart5_clk, "uart5_clk", uart_clk_mux_p,
331 OWL_MUX_HW(CMU_UART5CLK, 16, 1),
332 OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
333 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
334 CLK_IGNORE_UNUSED);
335
336static OWL_COMP_DIV(uart6_clk, "uart6_clk", uart_clk_mux_p,
337 OWL_MUX_HW(CMU_UART6CLK, 16, 1),
338 OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
339 OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
340 CLK_IGNORE_UNUSED);
341
342static OWL_COMP_DIV(i2srx_clk, "i2srx_clk", i2s_clk_mux_p,
343 OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
344 OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
345 OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, i2s_div_table),
346 0);
347
348static OWL_COMP_DIV(i2stx_clk, "i2stx_clk", i2s_clk_mux_p,
349 OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
350 OWL_GATE_HW(CMU_DEVCLKEN0, 20, 0),
351 OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, i2s_div_table),
352 0);
353
354static OWL_COMP_DIV(hdmia_clk, "hdmia_clk", i2s_clk_mux_p,
355 OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
356 OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
357 OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, i2s_div_table),
358 0);
359
360static OWL_COMP_DIV(spdif_clk, "spdif_clk", i2s_clk_mux_p,
361 OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
362 OWL_GATE_HW(CMU_DEVCLKEN0, 23, 0),
363 OWL_DIVIDER_HW(CMU_AUDIOPLL, 28, 4, 0, i2s_div_table),
364 0);
365
366static OWL_COMP_DIV(nand_clk, "nand_clk", nand_clk_mux_p,
367 OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
368 OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
369 OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 3, 0, nand_div_table),
370 CLK_SET_RATE_PARENT);
371
372static OWL_COMP_DIV(ecc_clk, "ecc_clk", nand_clk_mux_p,
373 OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
374 OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
375 OWL_DIVIDER_HW(CMU_NANDCCLK, 4, 3, 0, nand_div_table),
376 CLK_SET_RATE_PARENT);
377
378static struct owl_clk_common *s500_clks[] = {
379 &ethernet_pll_clk.common,
380 &core_pll_clk.common,
381 &ddr_pll_clk.common,
382 &dev_pll_clk.common,
383 &nand_pll_clk.common,
384 &audio_pll_clk.common,
385 &display_pll_clk.common,
386 &dev_clk.common,
387 &timer_clk.common,
388 &i2c0_clk.common,
389 &i2c1_clk.common,
390 &i2c2_clk.common,
391 &i2c3_clk.common,
392 &uart0_clk.common,
393 &uart1_clk.common,
394 &uart2_clk.common,
395 &uart3_clk.common,
396 &uart4_clk.common,
397 &uart5_clk.common,
398 &uart6_clk.common,
399 &pwm0_clk.common,
400 &pwm1_clk.common,
401 &pwm2_clk.common,
402 &pwm3_clk.common,
403 &pwm4_clk.common,
404 &pwm5_clk.common,
405 &sensor0_clk.common,
406 &sensor1_clk.common,
407 &sd0_clk.common,
408 &sd1_clk.common,
409 &sd2_clk.common,
410 &bisp_clk.common,
411 &ahb_clk.common,
412 &ahbprediv_clk.common,
413 &h_clk.common,
414 &spi0_clk.common,
415 &spi1_clk.common,
416 &spi2_clk.common,
417 &spi3_clk.common,
418 &rmii_ref_clk.common,
419 &de_clk.common,
420 &de1_clk.common,
421 &de2_clk.common,
422 &i2srx_clk.common,
423 &i2stx_clk.common,
424 &hdmia_clk.common,
425 &hdmi_clk.common,
426 &vce_clk.common,
427 &vde_clk.common,
428 &spdif_clk.common,
429 &nand_clk.common,
430 &ecc_clk.common,
431};
432
433static struct clk_hw_onecell_data s500_hw_clks = {
434 .hws = {
435 [CLK_ETHERNET_PLL] = &ethernet_pll_clk.common.hw,
436 [CLK_CORE_PLL] = &core_pll_clk.common.hw,
437 [CLK_DDR_PLL] = &ddr_pll_clk.common.hw,
438 [CLK_NAND_PLL] = &nand_pll_clk.common.hw,
439 [CLK_DISPLAY_PLL] = &display_pll_clk.common.hw,
440 [CLK_DEV_PLL] = &dev_pll_clk.common.hw,
441 [CLK_AUDIO_PLL] = &audio_pll_clk.common.hw,
442 [CLK_TIMER] = &timer_clk.common.hw,
443 [CLK_DEV] = &dev_clk.common.hw,
444 [CLK_DE] = &de_clk.common.hw,
445 [CLK_DE1] = &de1_clk.common.hw,
446 [CLK_DE2] = &de2_clk.common.hw,
447 [CLK_I2C0] = &i2c0_clk.common.hw,
448 [CLK_I2C1] = &i2c1_clk.common.hw,
449 [CLK_I2C2] = &i2c2_clk.common.hw,
450 [CLK_I2C3] = &i2c3_clk.common.hw,
451 [CLK_I2SRX] = &i2srx_clk.common.hw,
452 [CLK_I2STX] = &i2stx_clk.common.hw,
453 [CLK_UART0] = &uart0_clk.common.hw,
454 [CLK_UART1] = &uart1_clk.common.hw,
455 [CLK_UART2] = &uart2_clk.common.hw,
456 [CLK_UART3] = &uart3_clk.common.hw,
457 [CLK_UART4] = &uart4_clk.common.hw,
458 [CLK_UART5] = &uart5_clk.common.hw,
459 [CLK_UART6] = &uart6_clk.common.hw,
460 [CLK_PWM0] = &pwm0_clk.common.hw,
461 [CLK_PWM1] = &pwm1_clk.common.hw,
462 [CLK_PWM2] = &pwm2_clk.common.hw,
463 [CLK_PWM3] = &pwm3_clk.common.hw,
464 [CLK_PWM4] = &pwm4_clk.common.hw,
465 [CLK_PWM5] = &pwm5_clk.common.hw,
466 [CLK_SENSOR0] = &sensor0_clk.common.hw,
467 [CLK_SENSOR1] = &sensor1_clk.common.hw,
468 [CLK_SD0] = &sd0_clk.common.hw,
469 [CLK_SD1] = &sd1_clk.common.hw,
470 [CLK_SD2] = &sd2_clk.common.hw,
471 [CLK_BISP] = &bisp_clk.common.hw,
472 [CLK_SPI0] = &spi0_clk.common.hw,
473 [CLK_SPI1] = &spi1_clk.common.hw,
474 [CLK_SPI2] = &spi2_clk.common.hw,
475 [CLK_SPI3] = &spi3_clk.common.hw,
476 [CLK_AHB] = &ahb_clk.common.hw,
477 [CLK_H] = &h_clk.common.hw,
478 [CLK_AHBPREDIV] = &ahbprediv_clk.common.hw,
479 [CLK_RMII_REF] = &rmii_ref_clk.common.hw,
480 [CLK_HDMI_AUDIO] = &hdmia_clk.common.hw,
481 [CLK_HDMI] = &hdmi_clk.common.hw,
482 [CLK_VDE] = &vde_clk.common.hw,
483 [CLK_VCE] = &vce_clk.common.hw,
484 [CLK_SPDIF] = &spdif_clk.common.hw,
485 [CLK_NAND] = &nand_clk.common.hw,
486 [CLK_ECC] = &ecc_clk.common.hw,
487 },
488 .num = CLK_NR_CLKS,
489};
490
491static struct owl_clk_desc s500_clk_desc = {
492 .clks = s500_clks,
493 .num_clks = ARRAY_SIZE(s500_clks),
494
495 .hw_clks = &s500_hw_clks,
496};
497
498static int s500_clk_probe(struct platform_device *pdev)
499{
500 struct owl_clk_desc *desc;
501
502 desc = &s500_clk_desc;
503 owl_clk_regmap_init(pdev, desc);
504
505 return owl_clk_probe(&pdev->dev, desc->hw_clks);
506}
507
508static const struct of_device_id s500_clk_of_match[] = {
509 { .compatible = "actions,s500-cmu", },
510 { /* sentinel */ }
511};
512
513static struct platform_driver s500_clk_driver = {
514 .probe = s500_clk_probe,
515 .driver = {
516 .name = "s500-cmu",
517 .of_match_table = s500_clk_of_match,
518 },
519};
520
521static int __init s500_clk_init(void)
522{
523 return platform_driver_register(&s500_clk_driver);
524}
525core_initcall(s500_clk_init);
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-27 03:33:47 -0500