modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/arm/mach-omap2/pm34xx.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * OMAP3 Power Management Routines
3
4
  *
..
..
@@ -12,25 +13,20 @@
12
13
  * Richard Woodruff <r-woodruff2@ti.com>
13
14
  *
14
15
  * Based on pm.c for omap1
15
- *
16
- * This program is free software; you can redistribute it and/or modify
17
- * it under the terms of the GNU General Public License version 2 as
18
- * published by the Free Software Foundation.
19
16
  */
20
17
 
18
+#include <linux/cpu_pm.h>
21
19
 #include <linux/pm.h>
22
20
 #include <linux/suspend.h>
23
21
 #include <linux/interrupt.h>
24
22
 #include <linux/module.h>
25
23
 #include <linux/list.h>
26
24
 #include <linux/err.h>
27
-#include <linux/gpio.h>
28
25
 #include <linux/clk.h>
29
26
 #include <linux/delay.h>
30
27
 #include <linux/slab.h>
31
-#include <linux/omap-dma.h>
28
+#include <linux/of.h>
32
29
 #include <linux/omap-gpmc.h>
33
-#include <linux/platform_data/gpio-omap.h>
34
30
 
35
31
 #include <trace/events/power.h>
36
32
 
..
..
@@ -89,7 +85,6 @@
89
85
 	omap3_gpmc_save_context();
90
86
 	/* Save the system control module context, padconf already save above*/
91
87
 	omap3_control_save_context();
92
-	omap_dma_global_context_save();
93
88
 }
94
89
 
95
90
 static void omap3_core_restore_context(void)
..
..
@@ -100,7 +95,6 @@
100
95
 	omap3_gpmc_restore_context();
101
96
 	/* Restore the interrupt controller context */
102
97
 	omap_intc_restore_context();
103
-	omap_dma_global_context_restore();
104
98
 }
105
99
 
106
100
 /*
..
..
@@ -197,8 +191,8 @@
197
191
 	int mpu_next_state = PWRDM_POWER_ON;
198
192
 	int per_next_state = PWRDM_POWER_ON;
199
193
 	int core_next_state = PWRDM_POWER_ON;
200
-	int per_going_off;
201
194
 	u32 sdrc_pwr = 0;
195
+	int error;
202
196
 
203
197
 	mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm);
204
198
 	switch (mpu_next_state) {
..
..
@@ -227,9 +221,10 @@
227
221
 	pwrdm_pre_transition(NULL);
228
222
 
229
223
 	/* PER */
230
-	if (per_next_state < PWRDM_POWER_ON) {
231
-		per_going_off = (per_next_state == PWRDM_POWER_OFF) ? 1 : 0;
232
-		omap2_gpio_prepare_for_idle(per_going_off);
224
+	if (per_next_state == PWRDM_POWER_OFF) {
225
+		error = cpu_cluster_pm_enter();
226
+		if (error)
227
+			return;
233
228
 	}
234
229
 
235
230
 	/* CORE */
..
..
@@ -295,8 +290,8 @@
295
290
 	pwrdm_post_transition(NULL);
296
291
 
297
292
 	/* PER */
298
-	if (per_next_state < PWRDM_POWER_ON)
299
-		omap2_gpio_resume_after_idle();
293
+	if (per_next_state == PWRDM_POWER_OFF)
294
+		cpu_cluster_pm_exit();
300
295
 }
301
296
 
302
297
 static void omap3_pm_idle(void)
..
..
@@ -304,11 +299,7 @@
304
299
 	if (omap_irq_pending())
305
300
 		return;
306
301
 
307
-	trace_cpu_idle_rcuidle(1, smp_processor_id());
308
-
309
302
 	omap_sram_idle();
310
-
311
-	trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
312
303
 }
313
304
 
314
305
 #ifdef CONFIG_SUSPEND
..
..
@@ -420,7 +411,12 @@
420
411
 	if (!pwrst)
421
412
 		return -ENOMEM;
422
413
 	pwrst->pwrdm = pwrdm;
423
-	pwrst->next_state = PWRDM_POWER_RET;
414
+
415
+	if (enable_off_mode)
416
+		pwrst->next_state = PWRDM_POWER_OFF;
417
+	else
418
+		pwrst->next_state = PWRDM_POWER_RET;
419
+
424
420
 	list_add(&pwrst->node, &pwrst_list);
425
421
 
426
422
 	if (pwrdm_has_hdwr_sar(pwrdm))
..
..
@@ -451,6 +447,22 @@
451
447
 					  PM_PER_MEMORIES_ERRATUM_i582);
452
448
 	} else if (cpu_is_omap34xx()) {
453
449
 		pm34xx_errata |= PM_PER_MEMORIES_ERRATUM_i582;
450
+	}
451
+}
452
+
453
+static void __init omap3_pm_check_pmic(void)
454
+{
455
+	struct device_node *np;
456
+
457
+	np = of_find_compatible_node(NULL, NULL, "ti,twl4030-power-idle");
458
+	if (!np)
459
+		np = of_find_compatible_node(NULL, NULL, "ti,twl4030-power-idle-osc-off");
460
+
461
+	if (np) {
462
+		of_node_put(np);
463
+		enable_off_mode = 1;
464
+	} else {
465
+		enable_off_mode = 0;
454
466
 	}
455
467
 }
456
468
 
..
..
@@ -486,6 +498,8 @@
486
498
 		pr_err("pm: Failed to request pm_io irq\n");
487
499
 		goto err2;
488
500
 	}
501
+
502
+	omap3_pm_check_pmic();
489
503
 
490
504
 	ret = pwrdm_for_each(pwrdms_setup, NULL);
491
505
 	if (ret) {
..
..
@@ -554,9 +568,7 @@
554
568
 
555
569
 		local_irq_disable();
556
570
 
557
-		omap_dma_global_context_save();
558
571
 		omap3_save_secure_ram_context();
559
-		omap_dma_global_context_restore();
560
572
 
561
573
 		local_irq_enable();
562
574
 	}