From eeb7d6a238f42c5c87892f9849cea00725f6d2d5 Mon Sep 17 00:00:00 2001
From: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Date: Fri, 5 Apr 2013 15:21:39 -0700
Subject: [PATCH] power: exynos-tmu: use the mux_addr bit fields in tmu_control
register
This patch implements the mux_addr bit fields defined in tmu_control
register (used for debugging purpose)
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Vadim Bendebury <vbendeb@google.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
---
drivers/power/exynos-tmu.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/power/exynos-tmu.c b/drivers/power/exynos-tmu.c
index 6d74bc74b5..9a093a5bdd 100644
--- a/drivers/power/exynos-tmu.c
+++ b/drivers/power/exynos-tmu.c
@@ -79,6 +79,8 @@ struct tmu_data {
struct tmu_info {
/* base Address for the TMU */
struct exynos5_tmu_reg *tmu_base;
+ /* mux Address for the TMU */
+ int tmu_mux;
/* pre-defined values for calibration and thresholds */
struct tmu_data data;
/* value required for triminfo_25 calibration */
@@ -204,6 +206,13 @@ static int get_tmu_fdt_values(struct tmu_info *info, const void *blob)
}
info->tmu_base = (struct exynos5_tmu_reg *)addr;
+ /* Optional field. */
+ info->tmu_mux = fdtdec_get_int(blob,
+ node, "samsung,mux", -1);
+ /* Take default value as per the user manual b(110) */
+ if (info->tmu_mux == -1)
+ info->tmu_mux = 0x6;
+
info->data.ts.min_val = fdtdec_get_int(blob,
node, "samsung,min-temp", -1);
error |= (info->data.ts.min_val == -1);
@@ -307,7 +316,7 @@ static void tmu_setup_parameters(struct tmu_info *info)
/* TMU core enable */
con = readl(®->tmu_control);
- con |= THERM_TRIP_EN | CORE_EN;
+ con |= THERM_TRIP_EN | CORE_EN | (info->tmu_mux << 20);
writel(con, ®->tmu_control);
--
2.39.5