17 static void syscon_power_up(struct lpc11u6x_syscon_regs *syscon,  in syscon_power_up()  argument
21 		syscon->pd_run_cfg = (syscon->pd_run_cfg & ~bit)  in syscon_power_up()
24 		syscon->pd_run_cfg = syscon->pd_run_cfg | bit  in syscon_power_up()
29 static void syscon_set_pll_src(struct lpc11u6x_syscon_regs *syscon,  in syscon_set_pll_src()  argument
32 	syscon->sys_pll_clk_sel = src;  in syscon_set_pll_src()
33 	syscon->sys_pll_clk_uen = 0;  in syscon_set_pll_src()
34 	syscon->sys_pll_clk_uen = 1;  in syscon_set_pll_src()
44 static void syscon_setup_pll(struct lpc11u6x_syscon_regs *syscon,  in syscon_setup_pll()  argument
51 	syscon->sys_pll_ctrl = val;  in syscon_setup_pll()
54 static bool syscon_pll_locked(struct lpc11u6x_syscon_regs *syscon)  in syscon_pll_locked()  argument
56 	return (syscon->sys_pll_stat & 0x1) != 0;  in syscon_pll_locked()
59 static void syscon_set_main_clock_source(struct lpc11u6x_syscon_regs *syscon,  in syscon_set_main_clock_source()  argument
62 	syscon->main_clk_sel = src;  in syscon_set_main_clock_source()
63 	syscon->main_clk_uen = 0;  in syscon_set_main_clock_source()
64 	syscon->main_clk_uen = 1;  in syscon_set_main_clock_source()
67 static void syscon_ahb_clock_enable(struct lpc11u6x_syscon_regs *syscon,  in syscon_ahb_clock_enable()  argument
71 		syscon->sys_ahb_clk_ctrl |= mask;  in syscon_ahb_clock_enable()
73 		syscon->sys_ahb_clk_ctrl &= ~mask;  in syscon_ahb_clock_enable()
77 static void syscon_peripheral_reset(struct lpc11u6x_syscon_regs *syscon,  in syscon_peripheral_reset()  argument
81 		syscon->p_reset_ctrl &= ~mask;  in syscon_peripheral_reset()
83 		syscon->p_reset_ctrl |= mask;  in syscon_peripheral_reset()
86 static void syscon_frg_init(struct lpc11u6x_syscon_regs *syscon)  in syscon_frg_init()  argument
94 	syscon->frg_clk_div = div;  in syscon_frg_init()
96 	syscon_peripheral_reset(syscon, LPC11U6X_PRESET_CTRL_FRG, false);  in syscon_frg_init()
97 	syscon->uart_frg_div = 0xFF;  in syscon_frg_init()
98 	syscon->uart_frg_mult = ((CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC / div)  in syscon_frg_init()
102 static void syscon_frg_deinit(struct lpc11u6x_syscon_regs *syscon)  in syscon_frg_deinit()  argument
104 	syscon->uart_frg_div = 0x0;  in syscon_frg_deinit()
105 	syscon_peripheral_reset(syscon, LPC11U6X_PRESET_CTRL_FRG, true);  in syscon_frg_deinit()
132 		cfg->syscon->usart0_clk_div = 1;  in lpc11u6x_clock_control_on()
170 	syscon_ahb_clock_enable(cfg->syscon, clk_mask, true);  in lpc11u6x_clock_control_on()
172 		syscon_frg_init(cfg->syscon);  in lpc11u6x_clock_control_on()
174 	syscon_peripheral_reset(cfg->syscon, reset_mask, false);  in lpc11u6x_clock_control_on()
204 		cfg->syscon->usart0_clk_div = 0;  in lpc11u6x_clock_control_off()
244 	syscon_ahb_clock_enable(cfg->syscon, clk_mask, false);  in lpc11u6x_clock_control_off()
246 		syscon_frg_deinit(cfg->syscon);  in lpc11u6x_clock_control_off()
248 	syscon_peripheral_reset(cfg->syscon, reset_mask, true);  in lpc11u6x_clock_control_off()
298 	syscon_ahb_clock_enable(cfg->syscon, val, true);  in lpc11u6x_syscon_init()
304 	syscon_power_up(cfg->syscon, LPC11U6X_PDRUNCFG_SYSOSC_PD, true);  in lpc11u6x_syscon_init()
311 	syscon_set_pll_src(cfg->syscon, LPC11U6X_SYS_PLL_CLK_SEL_SYSOSC);  in lpc11u6x_syscon_init()
316 	syscon_power_up(cfg->syscon, LPC11U6X_PDRUNCFG_IRC_PD, true);  in lpc11u6x_syscon_init()
317 	syscon_set_pll_src(cfg->syscon, LPC11U6X_SYS_PLL_CLK_SEL_IRC);  in lpc11u6x_syscon_init()
325 	syscon_power_up(cfg->syscon, LPC11U6X_PDRUNCFG_PLL_PD, false);  in lpc11u6x_syscon_init()
328 	syscon_setup_pll(cfg->syscon, 3, 1);  in lpc11u6x_syscon_init()
331 	syscon_power_up(cfg->syscon, LPC11U6X_PDRUNCFG_PLL_PD, true);  in lpc11u6x_syscon_init()
333 	while (!syscon_pll_locked(cfg->syscon)) {  in lpc11u6x_syscon_init()
336 	cfg->syscon->sys_ahb_clk_div = 1;  in lpc11u6x_syscon_init()
337 	syscon_set_main_clock_source(cfg->syscon, LPC11U6X_MAIN_CLK_SRC_PLLOUT);  in lpc11u6x_syscon_init()
351 	.syscon = (struct lpc11u6x_syscon_regs *) DT_INST_REG_ADDR(0),