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Date: Wed, 28 Aug 2013 14:58:29 +0530
From: amit daniel kachhap <amit.daniel@...sung.com>
To: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
Cc: "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
Zhang Rui <rui.zhang@...el.com>,
"Valentin, Eduardo" <eduardo.valentin@...com>,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Kukjin Kim <kgene.kim@...sung.com>,
Naveen Krishna <naveenkrishna.ch@...il.com>,
devicetree@...r.kernel.org
Subject: Re: [PATCH 2/3] thermal: samsung: Add TMU support for Exynos5420 SoCs
On Wed, Aug 28, 2013 at 11:15 AM, Naveen Krishna Chatradhi
<ch.naveen@...sung.com> wrote:
> 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@...sung.com>
For all patch in this series,
Acked-by: Amit Daniel Kachhap <amit.daniel@...sung.com>.
A minor comment, please rename the flag SHARED_MEMORY to
MULTIPLE_MEMORY as this is more consistent.
Thanks,
Amit Daniel
> ---
> 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
>
> --
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