From b35b5f0d329c73d49b9c143b8e29c711fbcc3769 Mon Sep 17 00:00:00 2001
From: Finley Xiao <finley.xiao@rock-chips.com>
Date: Mon, 24 Apr 2017 19:52:01 +0800
Subject: [PATCH] cpufreq: rockchip: parse 'leakage-scaling-sel'

Change-Id: Ia473f960dbf0d1cc6c68fdd0e67b1d5cd8ddfa17
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
---
 drivers/cpufreq/rockchip-cpufreq.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/rockchip-cpufreq.c b/drivers/cpufreq/rockchip-cpufreq.c
index c2f7b1c61319..136c0d04fcec 100644
--- a/drivers/cpufreq/rockchip-cpufreq.c
+++ b/drivers/cpufreq/rockchip-cpufreq.c
@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/clk.h>
 #include <linux/cpu.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -24,6 +25,8 @@
 #include <linux/pm_opp.h>
 #include <linux/slab.h>
 
+#include "../clk/rockchip/clk.h"
+
 #define MAX_CLUSTERS		2
 #define MAX_PROP_NAME_LEN	3
 #define LEAKAGE_TABLE_END	~1
@@ -186,7 +189,8 @@ static int rockchip_cpufreq_of_parse_dt(struct device *dev,
 	int (*get_soc_version)(struct device_node *np, int *soc_version);
 	const struct of_device_id *match;
 	struct device_node *node, *np;
-	int ret;
+	struct clk *clk;
+	int ret, lkg_scaling_sel = -1;
 
 	np = of_parse_phandle(dev->of_node, "operating-points-v2", 0);
 	if (!np) {
@@ -221,6 +225,25 @@ static int rockchip_cpufreq_of_parse_dt(struct device *dev,
 		return ret;
 	}
 
+	ret = rockchip_get_leakage_sel(np, "leakage-scaling-sel",
+				       cluster->leakage,
+				       &lkg_scaling_sel);
+	if (ret) {
+		dev_err(dev, "Failed to get scaling-sel\n");
+		return ret;
+	} else if (lkg_scaling_sel >= 0) {
+		clk = of_clk_get_by_name(np, NULL);
+		if (IS_ERR(clk)) {
+			dev_err(dev, "Failed to get opp clk");
+			return PTR_ERR(clk);
+		}
+		ret = rockchip_pll_clk_adaptive_scaling(clk, lkg_scaling_sel);
+		if (ret) {
+			dev_err(dev, "Failed to adaptive scaling\n");
+			return ret;
+		}
+	}
+
 	return 0;
 }
 
-- 
2.34.1