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thermal: samsung: Add TMU support for Exynos5260 SoCs

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This patch adds the registers, bit fields and compatible strings
required to support for the 5 TMU channels on Exynos5260.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Naveen Krishna Chatradhi 2013-12-20 17:49:10 +05:30 committed by Eduardo Valentin
parent 14a11dc7e0
commit 923488a53e
5 changed files with 119 additions and 0 deletions
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1
Documentation/devicetree/bindings/thermal/exynos-thermal.txt
View File

@ -6,6 +6,7 @@
"samsung,exynos4412-tmu"
"samsung,exynos4210-tmu"
"samsung,exynos5250-tmu"
"samsung,exynos5260-tmu"
"samsung,exynos5420-tmu" for TMU channel 0, 1 on Exynos5420
"samsung,exynos5420-tmu-ext-triminfo" for TMU channels 2, 3 and 4
Exynos5420 (Must pass triminfo base and triminfo clock)

5
drivers/thermal/samsung/exynos_tmu.c
View File

@ -512,6 +512,10 @@ static const struct of_device_id exynos_tmu_match[] = {
.compatible = "samsung,exynos5250-tmu",
.data = (void *)EXYNOS5250_TMU_DRV_DATA,
},
{
.compatible = "samsung,exynos5260-tmu",
.data = (void *)EXYNOS5260_TMU_DRV_DATA,
},
{
.compatible = "samsung,exynos5420-tmu",
.data = (void *)EXYNOS5420_TMU_DRV_DATA,
@ -674,6 +678,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
if (pdata->type == SOC_ARCH_EXYNOS4210 ||
pdata->type == SOC_ARCH_EXYNOS4412 ||
pdata->type == SOC_ARCH_EXYNOS5250 ||
pdata->type == SOC_ARCH_EXYNOS5260 ||
pdata->type == SOC_ARCH_EXYNOS5420_TRIMINFO ||
pdata->type == SOC_ARCH_EXYNOS5440)
data->soc = pdata->type;

2
drivers/thermal/samsung/exynos_tmu.h
View File

@ -43,6 +43,7 @@ enum soc_type {
SOC_ARCH_EXYNOS4210 = 1,
SOC_ARCH_EXYNOS4412,
SOC_ARCH_EXYNOS5250,
SOC_ARCH_EXYNOS5260,
SOC_ARCH_EXYNOS5420_TRIMINFO,
SOC_ARCH_EXYNOS5440,
};
@ -150,6 +151,7 @@ struct exynos_tmu_registers {
u32 triminfo_85_shift;
u32 triminfo_ctrl;
u32 triminfo_ctrl1;
u32 triminfo_reload_shift;
u32 tmu_ctrl;

92
drivers/thermal/samsung/exynos_tmu_data.c
View File

@ -194,6 +194,98 @@ struct exynos_tmu_init_data const exynos5250_default_tmu_data = {
};
#endif
#if defined(CONFIG_SOC_EXYNOS5260)
static const struct exynos_tmu_registers exynos5260_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,
.tmu_ctrl = EXYNOS_TMU_REG_CONTROL1,
.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 = EXYNOS5260_TMU_REG_INTEN,
.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_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
.inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT,
.tmu_intstat = EXYNOS5260_TMU_REG_INTSTAT,
.tmu_intclear = EXYNOS5260_TMU_REG_INTCLEAR,
.intclr_fall_shift = EXYNOS5420_TMU_CLEAR_FALL_INT_SHIFT,
.intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT,
.intclr_rise_mask = EXYNOS5260_TMU_RISE_INT_MASK,
.intclr_fall_mask = EXYNOS5260_TMU_FALL_INT_MASK,
.emul_con = EXYNOS5260_EMUL_CON,
.emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
.emul_time_shift = EXYNOS_EMUL_TIME_SHIFT,
.emul_time_mask = EXYNOS_EMUL_TIME_MASK,
};
#define __EXYNOS5260_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, \
.registers = &exynos5260_tmu_registers, \
#define EXYNOS5260_TMU_DATA \
__EXYNOS5260_TMU_DATA \
.type = SOC_ARCH_EXYNOS5260, \
.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 exynos5260_default_tmu_data = {
.tmu_data = {
{ EXYNOS5260_TMU_DATA },
{ EXYNOS5260_TMU_DATA },
{ EXYNOS5260_TMU_DATA },
{ EXYNOS5260_TMU_DATA },
{ EXYNOS5260_TMU_DATA },
},
.tmu_count = 5,
};
#endif
#if defined(CONFIG_SOC_EXYNOS5420)
static const struct exynos_tmu_registers exynos5420_tmu_registers = {
.triminfo_data = EXYNOS_TMU_REG_TRIMINFO,

19
drivers/thermal/samsung/exynos_tmu_data.h
View File

@ -87,6 +87,7 @@
#define EXYNOS_TMU_INTEN_FALL0_SHIFT 16
#define EXYNOS_TMU_INTEN_FALL1_SHIFT 20
#define EXYNOS_TMU_INTEN_FALL2_SHIFT 24
#define EXYNOS_TMU_INTEN_FALL3_SHIFT 28
#define EXYNOS_EMUL_TIME 0x57F0
#define EXYNOS_EMUL_TIME_MASK 0xffff
@ -97,6 +98,17 @@
#define EXYNOS_MAX_TRIGGER_PER_REG 4
/* Exynos5260 specific */
#define EXYNOS_TMU_REG_CONTROL1 0x24
#define EXYNOS5260_TMU_REG_INTEN 0xC0
#define EXYNOS5260_TMU_REG_INTSTAT 0xC4
#define EXYNOS5260_TMU_REG_INTCLEAR 0xC8
#define EXYNOS5260_TMU_CLEAR_RISE_INT 0x1111
#define EXYNOS5260_TMU_CLEAR_FALL_INT (0x1111 << 16)
#define EXYNOS5260_TMU_RISE_INT_MASK 0x1111
#define EXYNOS5260_TMU_FALL_INT_MASK 0x1111
#define EXYNOS5260_EMUL_CON 0x100
/* Exynos4412 specific */
#define EXYNOS4412_MUX_ADDR_VALUE 6
#define EXYNOS4412_MUX_ADDR_SHIFT 20
@ -157,6 +169,13 @@ extern struct exynos_tmu_init_data const exynos5250_default_tmu_data;
#define EXYNOS5250_TMU_DRV_DATA (NULL)
#endif
#if defined(CONFIG_SOC_EXYNOS5260)
extern struct exynos_tmu_init_data const exynos5260_default_tmu_data;
#define EXYNOS5260_TMU_DRV_DATA (&exynos5260_default_tmu_data)
#else
#define EXYNOS5260_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)