From: chenxing <chenxing@rock-chips.com>
Date: Thu, 14 Jun 2012 07:02:46 +0000 (+0800)
Subject: rk30:sdk: dvfs add interface "struct regulator* dvfs_get_regulator(char *regulator_na... 
X-Git-Tag: firefly_0821_release~9094
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d63284ad16777b0cb943d9a34499ce92323396dc;p=firefly-linux-kernel-4.4.55.git

rk30:sdk: dvfs add interface "struct regulator* dvfs_get_regulator(char *regulator_name)" to get dvfs regulator by regulator name
---

diff --git a/arch/arm/mach-rk30/dvfs.c b/arch/arm/mach-rk30/dvfs.c
index 40ef00fcd436..38932a63ca0f 100644
--- a/arch/arm/mach-rk30/dvfs.c
+++ b/arch/arm/mach-rk30/dvfs.c
@@ -64,6 +64,17 @@ static void dump_dbg_map(void);
 #define PD_ON	1
 #define PD_OFF	0
 
+struct regulator* dvfs_get_regulator(char *regulator_name)
+{
+	struct vd_node *vd;
+	list_for_each_entry(vd, &rk_dvfs_tree, node) {
+		if (strcmp(regulator_name, vd->regulator_name) == 0) {
+			return vd->regulator;
+		}
+	}
+	return NULL;
+}
+
 int is_support_dvfs(struct clk_node *dvfs_info)
 {
 	return (dvfs_info->vd && dvfs_info->vd->vd_dvfs_target && dvfs_info->enable_dvfs);
diff --git a/arch/arm/mach-rk30/include/mach/dvfs.h b/arch/arm/mach-rk30/include/mach/dvfs.h
index bfc646edac77..adfa7de4b362 100755
--- a/arch/arm/mach-rk30/include/mach/dvfs.h
+++ b/arch/arm/mach-rk30/include/mach/dvfs.h
@@ -15,6 +15,8 @@
 #ifndef _RK30_DVFS_H_
 #define _RK30_DVFS_H_
 
+#include <mach/clock.h>
+
 typedef int (*vd_dvfs_target_callback)(struct clk *clk, unsigned long rate);
 
 typedef int (*dvfs_set_rate_callback)(struct clk *clk, unsigned long rate);
@@ -145,6 +147,8 @@ struct cpufreq_frequency_table *dvfs_get_freq_volt_table(struct clk *clk);
 int dvfs_set_freq_volt_table(struct clk *clk, struct cpufreq_frequency_table *table);
 int dvfs_set_depend_table(struct clk *clk, char *vd_name, struct cpufreq_frequency_table *table);
 int dvfs_set_arm_logic_volt(struct dvfs_arm_table *dvfs_cpu_logic_table, struct cpufreq_frequency_table *cpu_dvfs_table, struct cpufreq_frequency_table *dep_cpu2core_table);
+struct regulator* dvfs_get_regulator(char *regulator_name);
+
 #else
 static inline int rk30_dvfs_init(void) { return 0; }
 static inline int is_support_dvfs(struct clk_node *dvfs_info) { return 0; }
@@ -156,7 +160,7 @@ static inline struct cpufreq_frequency_table *dvfs_get_freq_volt_table(struct cl
 static inline int dvfs_set_freq_volt_table(struct clk *clk, struct cpufreq_frequency_table *table) { return 0; }
 static inline int dvfs_set_depend_table(struct clk *clk, char *vd_name, struct cpufreq_frequency_table *table) {return 0;}
 static inline int dvfs_set_arm_logic_volt(struct dvfs_arm_table *dvfs_cpu_logic_table, struct cpufreq_frequency_table *cpu_dvfs_table, struct cpufreq_frequency_table *dep_cpu2core_table){ return 0; }
-
+static inline struct regulator* dvfs_get_regulator(char *regulator_name){ return NULL; }
 #endif
 
 #endif