arm/mach-rockchip/pm.c

1 // SPDX-License-Identifier: GPL-2.0-only
4  * Author: Tony Xie <tony.xie@rock-chips.com>
13 #include <linux/suspend.h>
19 #include <asm/suspend.h>
55 	rkpm_bootdata_cpusp = rk3288_bootram_phy + (SZ_4K - 8);  in rk3288_config_bootdata()
99 	 * SGRF_FAST_BOOT_EN - system to boot from FAST_BOOT_ADDR  in rk3288_slp_mode_set()
100 	 * PCLK_WDT_GATE - disable WDT during suspend.  in rk3288_slp_mode_set()
107 	 * The dapswjdp can not auto reset before resume, that cause it may  in rk3288_slp_mode_set()
108 	 * access some illegal address during resume. Let's disable it before  in rk3288_slp_mode_set()
109 	 * suspend, and the MASKROM will enable it back.  in rk3288_slp_mode_set()
141 		 * In deep suspend we use PMU_PMU_USE_LF to let the rk3288  in rk3288_slp_mode_set()
166 		/* oscillator is still running, so no need to wait */  in rk3288_slp_mode_set()
193 	pr_err("%s: Failed to suspend\n", __func__);  in rockchip_lpmode_enter()
221 		pr_err("%s: Suspend finish failed\n", __func__);  in rk3288_suspend_finish()
237 				"rockchip,rk3288-sgrf");  in rk3288_suspend_init()
244 				"rockchip,rk3288-grf");  in rk3288_suspend_init()
251 					  "rockchip,rk3288-pmu-sram");  in rk3288_suspend_init()
254 		return -ENODEV;  in rk3288_suspend_init()
261 		return -ENOMEM;  in rk3288_suspend_init()
297 		.compatible = "rockchip,rk3288-pmu",
316 	pm_data = (struct rockchip_pm_data *) match->data;  in rockchip_suspend_init()
318 	if (pm_data->init) {  in rockchip_suspend_init()
319 		ret = pm_data->init(np);  in rockchip_suspend_init()
327 	suspend_set_ops(pm_data->ops);  in rockchip_suspend_init()