From: Naveen Krishna Chatradhi ch.naveen@samsung.com
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 --- 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 6d74bc7..9a093a5 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);