30 struct clk {  struct
31 	struct clk	*parent;  argument
38 	unsigned long	(*get_rate)(struct clk *clk);  argument
39 	int		(*set_rate)(struct clk *clk, unsigned long rate);  argument
43 static unsigned long get_uart_rate(struct clk *clk);
45 static int set_keytchclk_rate(struct clk *clk, unsigned long rate);
46 static int set_div_rate(struct clk *clk, unsigned long rate);
47 static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate);
48 static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate);
50 static struct clk clk_xtali = {
53 static struct clk clk_uart1 = {
60 static struct clk clk_uart2 = {
67 static struct clk clk_uart3 = {
74 static struct clk clk_pll1 = {
77 static struct clk clk_f = {
80 static struct clk clk_h = {
83 static struct clk clk_p = {
86 static struct clk clk_pll2 = {
89 static struct clk clk_usb_host = {
94 static struct clk clk_keypad = {
101 static struct clk clk_spi = {
105 static struct clk clk_pwm = {
110 static struct clk clk_video = {
117 static struct clk clk_i2s_mclk = {
124 static struct clk clk_i2s_sclk = {
132 static struct clk clk_i2s_lrclk = {
141 static struct clk clk_m2p0 = {
146 static struct clk clk_m2p1 = {
151 static struct clk clk_m2p2 = {
156 static struct clk clk_m2p3 = {
161 static struct clk clk_m2p4 = {
166 static struct clk clk_m2p5 = {
171 static struct clk clk_m2p6 = {
176 static struct clk clk_m2p7 = {
181 static struct clk clk_m2p8 = {
186 static struct clk clk_m2p9 = {
191 static struct clk clk_m2m0 = {
196 static struct clk clk_m2m1 = {
203 	{ .dev_id = dev, .con_id = con, .clk = ck }
239 static void __clk_enable(struct clk *clk)  in __clk_enable()  argument
241 	if (!clk->users++) {  in __clk_enable()
242 		if (clk->parent)  in __clk_enable()
243 			__clk_enable(clk->parent);  in __clk_enable()
245 		if (clk->enable_reg) {  in __clk_enable()
248 			v = __raw_readl(clk->enable_reg);  in __clk_enable()
249 			v |= clk->enable_mask;  in __clk_enable()
250 			if (clk->sw_locked)  in __clk_enable()
251 				ep93xx_syscon_swlocked_write(v, clk->enable_reg);  in __clk_enable()
253 				__raw_writel(v, clk->enable_reg);  in __clk_enable()
258 int clk_enable(struct clk *clk)  in clk_enable()  argument
262 	if (!clk)  in clk_enable()
266 	__clk_enable(clk);  in clk_enable()
273 static void __clk_disable(struct clk *clk)  in __clk_disable()  argument
275 	if (!--clk->users) {  in __clk_disable()
276 		if (clk->enable_reg) {  in __clk_disable()
279 			v = __raw_readl(clk->enable_reg);  in __clk_disable()
280 			v &= ~clk->enable_mask;  in __clk_disable()
281 			if (clk->sw_locked)  in __clk_disable()
282 				ep93xx_syscon_swlocked_write(v, clk->enable_reg);  in __clk_disable()
284 				__raw_writel(v, clk->enable_reg);  in __clk_disable()
287 		if (clk->parent)  in __clk_disable()
288 			__clk_disable(clk->parent);  in __clk_disable()
292 void clk_disable(struct clk *clk)  in clk_disable()  argument
296 	if (!clk)  in clk_disable()
300 	__clk_disable(clk);  in clk_disable()
305 static unsigned long get_uart_rate(struct clk *clk)  in get_uart_rate()  argument
307 	unsigned long rate = clk_get_rate(clk->parent);  in get_uart_rate()
317 unsigned long clk_get_rate(struct clk *clk)  in clk_get_rate()  argument
319 	if (clk->get_rate)  in clk_get_rate()
320 		return clk->get_rate(clk);  in clk_get_rate()
322 	return clk->rate;  in clk_get_rate()
326 static int set_keytchclk_rate(struct clk *clk, unsigned long rate)  in set_keytchclk_rate()  argument
331 	val = __raw_readl(clk->enable_reg);  in set_keytchclk_rate()
340 	div_bit = clk->enable_mask >> 15;  in set_keytchclk_rate()
349 	ep93xx_syscon_swlocked_write(val, clk->enable_reg);  in set_keytchclk_rate()
350 	clk->rate = rate;  in set_keytchclk_rate()
354 static int calc_clk_div(struct clk *clk, unsigned long rate,  in calc_clk_div()  argument
357 	struct clk *mclk;  in calc_clk_div()
396 				clk->parent = mclk;  in calc_clk_div()
397 				clk->rate = actual_rate;  in calc_clk_div()
410 static int set_div_rate(struct clk *clk, unsigned long rate)  in set_div_rate()  argument
415 	err = calc_clk_div(clk, rate, &psel, &esel, &pdiv, &div);  in set_div_rate()
420 	val = __raw_readl(clk->enable_reg);  in set_div_rate()
427 	ep93xx_syscon_swlocked_write(val, clk->enable_reg);  in set_div_rate()
431 static int set_i2s_sclk_rate(struct clk *clk, unsigned long rate)  in set_i2s_sclk_rate()  argument
433 	unsigned val = __raw_readl(clk->enable_reg);  in set_i2s_sclk_rate()
437 					     clk->enable_reg);  in set_i2s_sclk_rate()
440 					     clk->enable_reg);  in set_i2s_sclk_rate()
448 static int set_i2s_lrclk_rate(struct clk *clk, unsigned long rate)  in set_i2s_lrclk_rate()  argument
450 	unsigned val = __raw_readl(clk->enable_reg) &   in set_i2s_lrclk_rate()
455 					     clk->enable_reg);  in set_i2s_lrclk_rate()
458 					     clk->enable_reg);  in set_i2s_lrclk_rate()
461 					     clk->enable_reg);  in set_i2s_lrclk_rate()
469 int clk_set_rate(struct clk *clk, unsigned long rate)  in clk_set_rate()  argument
471 	if (clk->set_rate)  in clk_set_rate()
472 		return clk->set_rate(clk, rate);  in clk_set_rate()