[PATCH 2/3] thermal: samsung: Add TMU support for Exynos5420 SoCs

Naveen Krishna Chatradhi
2013-08-28T05:45:18Z

This patch adds the neccessary register changes and arch information
to support Exynos5420 SoCs
Exynos5420 has 5 TMU channels one for each CPU 0, 1, 2 and 3 and GPU

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
---
drivers/thermal/samsung/exynos_tmu.c | 4 ++
drivers/thermal/samsung/exynos_tmu.h | 1 +
drivers/thermal/samsung/exynos_tmu_data.c | 90 +++++++++++++++++++++++++++++
drivers/thermal/samsung/exynos_tmu_data.h | 7 +++
4 files changed, 102 insertions(+)

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index d201ed8..bfdfbd6 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -499,6 +499,10 @@ static const struct of_device_id exynos_tmu_match[] = {
.compatible = "samsung,exynos5440-tmu",
.data = (void *)EXYNOS5440_TMU_DRV_DATA,
},
+ {
+ .compatible = "samsung,exynos5420-tmu",
+ .data = (void *)EXYNOS5420_TMU_DRV_DATA,
+ },
{},
};
MODULE_DEVICE_TABLE(of, exynos_tmu_match);
diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
index 7c6c34a..d88a536 100644
--- a/drivers/thermal/samsung/exynos_tmu.h
+++ b/drivers/thermal/samsung/exynos_tmu.h
@@ -43,6 +43,7 @@ enum soc_type {
SOC_ARCH_EXYNOS4210 = 1,
SOC_ARCH_EXYNOS,
SOC_ARCH_EXYNOS5440,
+ SOC_ARCH_EXYNOS5420,
};

/**
diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
index 23fea23..5adbb36 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.c
+++ b/drivers/thermal/samsung/exynos_tmu_data.c
@@ -177,6 +177,96 @@ struct exynos_tmu_init_data const exynos5250_default_tmu_data = {
};
#endif

+#if defined(CONFIG_SOC_EXYNOS5420)
+static const struct exynos_tmu_registers exynos5420_tmu_registers = {
+ .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
+ .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
+ .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
+ .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
+ .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT,
+ .buf_vref_sel_mask = EXYNOS_TMU_REF_VOLTAGE_MASK,
+ .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT,
+ .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK,
+ .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT,
+ .buf_slope_sel_shift = EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT,
+ .buf_slope_sel_mask = EXYNOS_TMU_BUF_SLOPE_SEL_MASK,
+ .core_en_shift = EXYNOS_TMU_CORE_EN_SHIFT,
+ .tmu_status = EXYNOS_TMU_REG_STATUS,
+ .tmu_cur_temp = EXYNOS_TMU_REG_CURRENT_TEMP,
+ .threshold_th0 = EXYNOS_THD_TEMP_RISE,
+ .threshold_th1 = EXYNOS_THD_TEMP_FALL,
+ .tmu_inten = EXYNOS_TMU_REG_INTEN,
+ .inten_rise_mask = EXYNOS_TMU_RISE_INT_MASK,
+ .inten_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT,
+ .inten_fall_mask = EXYNOS_TMU_FALL_INT_MASK,
+ .inten_fall_shift = EXYNOS_TMU_FALL_INT_SHIFT,
+ .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT,
+ .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
+ .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
+ /* INTEN_RISE3 Not availble in exynos5420 */
+ .inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
+ .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT,
+ .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
+ .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
+ .intclr_fall_shift = EXYNOS_TMU_FALL_INT_SHIFT,
+ .emul_con = EXYNOS_EMUL_CON,
+ .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
+ .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT,
+ .emul_time_mask = EXYNOS_EMUL_TIME_MASK,
+};
+
+#define EXYNOS5420_TMU_DATA \
+ .threshold_falling = 10, \
+ .trigger_levels[0] = 85, \
+ .trigger_levels[1] = 103, \
+ .trigger_levels[2] = 110, \
+ .trigger_levels[3] = 120, \
+ .trigger_enable[0] = true, \
+ .trigger_enable[1] = true, \
+ .trigger_enable[2] = true, \
+ .trigger_enable[3] = false, \
+ .trigger_type[0] = THROTTLE_ACTIVE, \
+ .trigger_type[1] = THROTTLE_ACTIVE, \
+ .trigger_type[2] = SW_TRIP, \
+ .trigger_type[3] = HW_TRIP, \
+ .max_trigger_level = 4, \
+ .gain = 8, \
+ .reference_voltage = 16, \
+ .noise_cancel_mode = 4, \
+ .cal_type = TYPE_ONE_POINT_TRIMMING, \
+ .efuse_value = 55, \
+ .min_efuse_value = 40, \
+ .max_efuse_value = 100, \
+ .first_point_trim = 25, \
+ .second_point_trim = 85, \
+ .default_temp_offset = 50, \
+ .freq_tab[0] = { \
+ .freq_clip_max = 800 * 1000, \
+ .temp_level = 85, \
+ }, \
+ .freq_tab[1] = { \
+ .freq_clip_max = 200 * 1000, \
+ .temp_level = 103, \
+ }, \
+ .freq_tab_count = 2, \
+ .type = SOC_ARCH_EXYNOS5420, \
+ .registers = &exynos5420_tmu_registers, \
+ .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \
+ TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \
+ TMU_SUPPORT_EMUL_TIME)
+
+struct exynos_tmu_init_data const exynos5420_default_tmu_data = {
+ .tmu_data = {
+ { EXYNOS5420_TMU_DATA },
+ { EXYNOS5420_TMU_DATA },
+ { EXYNOS5420_TMU_DATA },
+ { EXYNOS5420_TMU_DATA },
+ { EXYNOS5420_TMU_DATA },
+ },
+ .tmu_count = 5,
+};
+#endif
+
#if defined(CONFIG_SOC_EXYNOS5440)
static const struct exynos_tmu_registers exynos5440_tmu_registers = {
.triminfo_data = EXYNOS5440_TMU_S0_7_TRIM,
diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
index 8788a87..3ce94cd 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.h
+++ b/drivers/thermal/samsung/exynos_tmu_data.h
@@ -153,4 +153,11 @@ extern struct exynos_tmu_init_data const exynos5440_default_tmu_data;
#define EXYNOS5440_TMU_DRV_DATA (NULL)
#endif

+#if defined(CONFIG_SOC_EXYNOS5420)
+extern struct exynos_tmu_init_data const exynos5420_default_tmu_data;
+#define EXYNOS5420_TMU_DRV_DATA (&exynos5420_default_tmu_data)
+#else
+#define EXYNOS5420_TMU_DRV_DATA (NULL)
+#endif
+
#endif /*_EXYNOS_TMU_DATA_H*/
--
1.7.9.5