diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/clock-s3c2410.c')
-rw-r--r-- | arch/arm/mach-s3c24xx/clock-s3c2410.c | 161 |
1 files changed, 98 insertions, 63 deletions
diff --git a/arch/arm/mach-s3c24xx/clock-s3c2410.c b/arch/arm/mach-s3c24xx/clock-s3c2410.c index 34fffdf6fc1d..564553694b54 100644 --- a/arch/arm/mach-s3c24xx/clock-s3c2410.c +++ b/arch/arm/mach-s3c24xx/clock-s3c2410.c | |||
@@ -119,66 +119,101 @@ static struct clk init_clocks_off[] = { | |||
119 | } | 119 | } |
120 | }; | 120 | }; |
121 | 121 | ||
122 | static struct clk init_clocks[] = { | 122 | static struct clk clk_lcd = { |
123 | { | 123 | .name = "lcd", |
124 | .name = "lcd", | 124 | .parent = &clk_h, |
125 | .parent = &clk_h, | 125 | .enable = s3c2410_clkcon_enable, |
126 | .enable = s3c2410_clkcon_enable, | 126 | .ctrlbit = S3C2410_CLKCON_LCDC, |
127 | .ctrlbit = S3C2410_CLKCON_LCDC, | 127 | }; |
128 | }, { | 128 | |
129 | .name = "gpio", | 129 | static struct clk clk_gpio = { |
130 | .parent = &clk_p, | 130 | .name = "gpio", |
131 | .enable = s3c2410_clkcon_enable, | 131 | .parent = &clk_p, |
132 | .ctrlbit = S3C2410_CLKCON_GPIO, | 132 | .enable = s3c2410_clkcon_enable, |
133 | }, { | 133 | .ctrlbit = S3C2410_CLKCON_GPIO, |
134 | .name = "usb-host", | 134 | }; |
135 | .parent = &clk_h, | 135 | |
136 | .enable = s3c2410_clkcon_enable, | 136 | static struct clk clk_usb_host = { |
137 | .ctrlbit = S3C2410_CLKCON_USBH, | 137 | .name = "usb-host", |
138 | }, { | 138 | .parent = &clk_h, |
139 | .name = "usb-device", | 139 | .enable = s3c2410_clkcon_enable, |
140 | .parent = &clk_h, | 140 | .ctrlbit = S3C2410_CLKCON_USBH, |
141 | .enable = s3c2410_clkcon_enable, | 141 | }; |
142 | .ctrlbit = S3C2410_CLKCON_USBD, | 142 | |
143 | }, { | 143 | static struct clk clk_usb_device = { |
144 | .name = "timers", | 144 | .name = "usb-device", |
145 | .parent = &clk_p, | 145 | .parent = &clk_h, |
146 | .enable = s3c2410_clkcon_enable, | 146 | .enable = s3c2410_clkcon_enable, |
147 | .ctrlbit = S3C2410_CLKCON_PWMT, | 147 | .ctrlbit = S3C2410_CLKCON_USBD, |
148 | }, { | 148 | }; |
149 | .name = "uart", | 149 | |
150 | .devname = "s3c2410-uart.0", | 150 | static struct clk clk_timers = { |
151 | .parent = &clk_p, | 151 | .name = "timers", |
152 | .enable = s3c2410_clkcon_enable, | 152 | .parent = &clk_p, |
153 | .ctrlbit = S3C2410_CLKCON_UART0, | 153 | .enable = s3c2410_clkcon_enable, |
154 | }, { | 154 | .ctrlbit = S3C2410_CLKCON_PWMT, |
155 | .name = "uart", | 155 | }; |
156 | .devname = "s3c2410-uart.1", | 156 | |
157 | .parent = &clk_p, | 157 | struct clk s3c24xx_clk_uart0 = { |
158 | .enable = s3c2410_clkcon_enable, | 158 | .name = "uart", |
159 | .ctrlbit = S3C2410_CLKCON_UART1, | 159 | .devname = "s3c2410-uart.0", |
160 | }, { | 160 | .parent = &clk_p, |
161 | .name = "uart", | 161 | .enable = s3c2410_clkcon_enable, |
162 | .devname = "s3c2410-uart.2", | 162 | .ctrlbit = S3C2410_CLKCON_UART0, |
163 | .parent = &clk_p, | 163 | }; |
164 | .enable = s3c2410_clkcon_enable, | 164 | |
165 | .ctrlbit = S3C2410_CLKCON_UART2, | 165 | struct clk s3c24xx_clk_uart1 = { |
166 | }, { | 166 | .name = "uart", |
167 | .name = "rtc", | 167 | .devname = "s3c2410-uart.1", |
168 | .parent = &clk_p, | 168 | .parent = &clk_p, |
169 | .enable = s3c2410_clkcon_enable, | 169 | .enable = s3c2410_clkcon_enable, |
170 | .ctrlbit = S3C2410_CLKCON_RTC, | 170 | .ctrlbit = S3C2410_CLKCON_UART1, |
171 | }, { | 171 | }; |
172 | .name = "watchdog", | 172 | |
173 | .parent = &clk_p, | 173 | struct clk s3c24xx_clk_uart2 = { |
174 | .ctrlbit = 0, | 174 | .name = "uart", |
175 | }, { | 175 | .devname = "s3c2410-uart.2", |
176 | .name = "usb-bus-host", | 176 | .parent = &clk_p, |
177 | .parent = &clk_usb_bus, | 177 | .enable = s3c2410_clkcon_enable, |
178 | }, { | 178 | .ctrlbit = S3C2410_CLKCON_UART2, |
179 | .name = "usb-bus-gadget", | 179 | }; |
180 | .parent = &clk_usb_bus, | 180 | |
181 | }, | 181 | static struct clk clk_rtc = { |
182 | .name = "rtc", | ||
183 | .parent = &clk_p, | ||
184 | .enable = s3c2410_clkcon_enable, | ||
185 | .ctrlbit = S3C2410_CLKCON_RTC, | ||
186 | }; | ||
187 | |||
188 | static struct clk clk_watchdog = { | ||
189 | .name = "watchdog", | ||
190 | .parent = &clk_p, | ||
191 | .ctrlbit = 0, | ||
192 | }; | ||
193 | |||
194 | static struct clk clk_usb_bus_host = { | ||
195 | .name = "usb-bus-host", | ||
196 | .parent = &clk_usb_bus, | ||
197 | }; | ||
198 | |||
199 | static struct clk clk_usb_bus_gadget = { | ||
200 | .name = "usb-bus-gadget", | ||
201 | .parent = &clk_usb_bus, | ||
202 | }; | ||
203 | |||
204 | static struct clk *init_clocks[] = { | ||
205 | &clk_lcd, | ||
206 | &clk_gpio, | ||
207 | &clk_usb_host, | ||
208 | &clk_usb_device, | ||
209 | &clk_timers, | ||
210 | &s3c24xx_clk_uart0, | ||
211 | &s3c24xx_clk_uart1, | ||
212 | &s3c24xx_clk_uart2, | ||
213 | &clk_rtc, | ||
214 | &clk_watchdog, | ||
215 | &clk_usb_bus_host, | ||
216 | &clk_usb_bus_gadget, | ||
182 | }; | 217 | }; |
183 | 218 | ||
184 | /* s3c2410_baseclk_add() | 219 | /* s3c2410_baseclk_add() |
@@ -195,7 +230,6 @@ int __init s3c2410_baseclk_add(void) | |||
195 | { | 230 | { |
196 | unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW); | 231 | unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW); |
197 | unsigned long clkcon = __raw_readl(S3C2410_CLKCON); | 232 | unsigned long clkcon = __raw_readl(S3C2410_CLKCON); |
198 | struct clk *clkp; | ||
199 | struct clk *xtal; | 233 | struct clk *xtal; |
200 | int ret; | 234 | int ret; |
201 | int ptr; | 235 | int ptr; |
@@ -207,8 +241,9 @@ int __init s3c2410_baseclk_add(void) | |||
207 | 241 | ||
208 | /* register clocks from clock array */ | 242 | /* register clocks from clock array */ |
209 | 243 | ||
210 | clkp = init_clocks; | 244 | for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++) { |
211 | for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) { | 245 | struct clk *clkp = init_clocks[ptr]; |
246 | |||
212 | /* ensure that we note the clock state */ | 247 | /* ensure that we note the clock state */ |
213 | 248 | ||
214 | clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0; | 249 | clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0; |