thermal: exynos: Add support for TRIM_RELOAD feature at Exynos3250

This patch add support for TRIM_RELOAD feature at Exynos3250. The TMu of
Exynos3250 has two TRIMINFO_CON register and must need to set RELOAD bit
before reading TRIMINFO register.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Amit Daniel Kachhap <amit.daniel@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
index 362a1e1..8bae170 100644 (file)
--- a/drivers/thermal/samsung/exynos_tmu_data.c
+++ b/drivers/thermal/samsung/exynos_tmu_data.c
@@ -87,6 +87,9 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = {
 #if defined(CONFIG_SOC_EXYNOS3250)
 static const struct exynos_tmu_registers exynos3250_tmu_registers = {
        .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
+       .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON1,
+       .triminfo_ctrl[1] = EXYNOS_TMU_TRIMINFO_CON2,
+       .triminfo_ctrl_count = 2,
        .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
        .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
        .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT,
@@ -147,8 +150,10 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = {
                .temp_level = 95, \
        }, \
        .freq_tab_count = 2, \
+       .triminfo_reload[0] = EXYNOS_TRIMINFO_RELOAD_ENABLE, \
+       .triminfo_reload[1] = EXYNOS_TRIMINFO_RELOAD_ENABLE, \
        .registers = &exynos3250_tmu_registers, \
-       .features = (TMU_SUPPORT_EMULATION | \
+       .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \
                        TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \
                        TMU_SUPPORT_EMUL_TIME)
 #endif
@@ -169,7 +174,7 @@ struct exynos_tmu_init_data const exynos3250_default_tmu_data = {
 #if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
 static const struct exynos_tmu_registers exynos4412_tmu_registers = {
        .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
-       .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON,
+       .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON2,
        .triminfo_ctrl_count = 1,
        .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
        .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,

diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
index 6b47a17..4b8f33c 100644 (file)
--- a/drivers/thermal/samsung/exynos_tmu_data.h
+++ b/drivers/thermal/samsung/exynos_tmu_data.h
@@ -39,14 +39,17 @@
 #define EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT 8
 #define EXYNOS_TMU_CORE_EN_SHIFT       0
 
+/* Exynos3250 specific registers */
+#define EXYNOS_TMU_TRIMINFO_CON1       0x10
+
 /* Exynos4210 specific registers */
 #define EXYNOS4210_TMU_REG_THRESHOLD_TEMP      0x44
 #define EXYNOS4210_TMU_REG_TRIG_LEVEL0 0x50
 
 #define EXYNOS4210_TMU_TRIG_LEVEL_MASK 0x1111
 
-/* Exynos5250 and Exynos4412 specific registers */
-#define EXYNOS_TMU_TRIMINFO_CON        0x14
+/* Exynos5250, Exynos4412, Exynos3250 specific registers */
+#define EXYNOS_TMU_TRIMINFO_CON2       0x14
 #define EXYNOS_THD_TEMP_RISE           0x50
 #define EXYNOS_THD_TEMP_FALL           0x54
 #define EXYNOS_EMUL_CON                0x80