1 // SPDX-License-Identifier: GPL-2.0-only
4  * Copyright (C) 2013 ST-Ericsson AB
14 #include <linux/clk-provider.h>
74 	pr_crit("force-enabling MXTALO\n");  in nomadik_clk_reboot_handler()
84 	{ .compatible = "stericsson,nomadik-src" },
122 	if (of_property_read_bool(np, "disable-sxtalo")) {  in nomadik_src_init()
127 	if (of_property_read_bool(np, "disable-mxtalo")) {  in nomadik_src_init()
138  * struct clk_pll1 - Nomadik PLL1 clock
148  * struct clk_src - Nomadik src clock
171 	if (pll->id == 1) {  in pll_clk_enable()
176 	} else if (pll->id == 2) {  in pll_clk_enable()
191 	if (pll->id == 1) {  in pll_clk_disable()
196 	} else if (pll->id == 2) {  in pll_clk_disable()
209 	if (pll->id == 1) {  in pll_clk_is_enabled()
212 	} else if (pll->id == 2) {  in pll_clk_is_enabled()
226 	if (pll->id == 1) {  in pll_clk_recalc_rate()
228 		u8 div;  in pll_clk_recalc_rate()  local
232 		div = val & 0x07U;  in pll_clk_recalc_rate()
233 		return (parent_rate * mul) >> div;  in pll_clk_recalc_rate()
236 	if (pll->id == 2) {  in pll_clk_recalc_rate()
266 		return ERR_PTR(-EINVAL);  in pll_clk_register()
271 		return ERR_PTR(-ENOMEM);  in pll_clk_register()
277 	pll->hw.init = &init;  in pll_clk_register()
278 	pll->id = id;  in pll_clk_register()
282 	ret = clk_hw_register(dev, &pll->hw);  in pll_clk_register()
288 	return &pll->hw;  in pll_clk_register()
293  * you read-modify-write a register. Instead there are separate
303 	u32 enreg = sclk->group1 ? SRC_PCKEN1 : SRC_PCKEN0;  in src_clk_enable()
304 	u32 sreg = sclk->group1 ? SRC_PCKSR1 : SRC_PCKSR0;  in src_clk_enable()
306 	writel(sclk->clkbit, src_base + enreg);  in src_clk_enable()
308 	while (!(readl(src_base + sreg) & sclk->clkbit))  in src_clk_enable()
316 	u32 disreg = sclk->group1 ? SRC_PCKDIS1 : SRC_PCKDIS0;  in src_clk_disable()
317 	u32 sreg = sclk->group1 ? SRC_PCKSR1 : SRC_PCKSR0;  in src_clk_disable()
319 	writel(sclk->clkbit, src_base + disreg);  in src_clk_disable()
321 	while (readl(src_base + sreg) & sclk->clkbit)  in src_clk_disable()
328 	u32 sreg = sclk->group1 ? SRC_PCKSR1 : SRC_PCKSR0;  in src_clk_is_enabled()
331 	return !!(val & sclk->clkbit);  in src_clk_is_enabled()
358 		return ERR_PTR(-ENOMEM);  in src_clk_register()
362 	/* Do not force-disable the static SDRAM controller */  in src_clk_register()
369 	sclk->hw.init = &init;  in src_clk_register()
370 	sclk->id = id;  in src_clk_register()
371 	sclk->group1 = (id > 31);  in src_clk_register()
372 	sclk->clkbit = BIT(id & 0x1f);  in src_clk_register()
375 		 name, id, sclk->group1, sclk->clkbit);  in src_clk_register()
377 	ret = clk_hw_register(dev, &sclk->hw);  in src_clk_register()
383 	return &sclk->hw;  in src_clk_register()
450 	"3DCLK     ",
488 		return -ENODEV;  in nomadik_src_clk_init_debugfs()
491 	debugfs_create_file("nomadik-src-clk", S_IFREG | S_IRUGO,  in nomadik_src_clk_init_debugfs()
502 	const char *clk_name = np->name;  in of_nomadik_pll_setup()
509 	if (of_property_read_u32(np, "pll-id", &pll_id)) {  in of_nomadik_pll_setup()
510 		pr_err("%s: PLL \"%s\" missing pll-id property\n",  in of_nomadik_pll_setup()
520 	"st,nomadik-pll-clock", of_nomadik_pll_setup);
525 	const char *clk_name = np->name;  in of_nomadik_hclk_setup()
544 	"st,nomadik-hclk-clock", of_nomadik_hclk_setup);
549 	const char *clk_name = np->name;  in of_nomadik_src_clk_setup()
556 	if (of_property_read_u32(np, "clock-id", &clk_id)) {  in of_nomadik_src_clk_setup()
557 		pr_err("%s: SRC clock \"%s\" missing clock-id property\n",  in of_nomadik_src_clk_setup()
567 	"st,nomadik-src-clock", of_nomadik_src_clk_setup);