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Message-ID: <1405922696.2455.1.camel@rzhang1-toshiba>
Date: Mon, 21 Jul 2014 14:04:56 +0800
From: Zhang Rui <rui.zhang@...el.com>
To: Chanwoo Choi <cw00.choi@...sung.com>
Cc: eduardo.valentin@...il.com, kgene.kim@...sung.com,
robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
galak@...eaurora.org, amit.daniel@...sung.com,
ch.naveen@...sung.com, kyungmin.park@...sung.com,
linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
Jonghwa Lee <jonghwa3.lee@...sung.com>
Subject: Re: [RESEND PATCH] thermal: samsung: Add TMU support for Exynos3250
SoC
On Fri, 2014-07-18 at 09:00 +0900, Chanwoo Choi wrote:
> This patch adds the registers, bit fields and compatible strings
> required to support for the 1 TMU channels on Exynos3250.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> [Add MUX address setting bits by Jonghwa Lee]
> Signed-off-by: Jonghwa Lee <jonghwa3.lee@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
> Reviewed-by: Amit Daniel Kachhap<amit.daniel@...sung.com>
Eduardo and Amit,
do you have any comments on this?
thanks,
rui
> ---
> .../devicetree/bindings/thermal/exynos-thermal.txt | 1 +
> drivers/thermal/samsung/exynos_tmu.c | 7 +-
> drivers/thermal/samsung/exynos_tmu.h | 3 +-
> drivers/thermal/samsung/exynos_tmu_data.c | 89 ++++++++++++++++++++++
> drivers/thermal/samsung/exynos_tmu_data.h | 7 ++
> 5 files changed, 105 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
> index c949092..ae738f5 100644
> --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
> @@ -3,6 +3,7 @@
> ** Required properties:
>
> - compatible : One of the following:
> + "samsung,exynos3250-tmu"
> "samsung,exynos4412-tmu"
> "samsung,exynos4210-tmu"
> "samsung,exynos5250-tmu"
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index d7ca9f4..a2a08ea 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -505,6 +505,10 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id)
>
> static const struct of_device_id exynos_tmu_match[] = {
> {
> + .compatible = "samsung,exynos3250-tmu",
> + .data = (void *)EXYNOS3250_TMU_DRV_DATA,
> + },
> + {
> .compatible = "samsung,exynos4210-tmu",
> .data = (void *)EXYNOS4210_TMU_DRV_DATA,
> },
> @@ -677,7 +681,8 @@ static int exynos_tmu_probe(struct platform_device *pdev)
> goto err_clk_sec;
> }
>
> - if (pdata->type == SOC_ARCH_EXYNOS4210 ||
> + if (pdata->type == SOC_ARCH_EXYNOS3250 ||
> + pdata->type == SOC_ARCH_EXYNOS4210 ||
> pdata->type == SOC_ARCH_EXYNOS4412 ||
> pdata->type == SOC_ARCH_EXYNOS5250 ||
> pdata->type == SOC_ARCH_EXYNOS5260 ||
> diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
> index edd08cf..1b4a644 100644
> --- a/drivers/thermal/samsung/exynos_tmu.h
> +++ b/drivers/thermal/samsung/exynos_tmu.h
> @@ -40,7 +40,8 @@ enum calibration_mode {
> };
>
> enum soc_type {
> - SOC_ARCH_EXYNOS4210 = 1,
> + SOC_ARCH_EXYNOS3250 = 1,
> + SOC_ARCH_EXYNOS4210,
> SOC_ARCH_EXYNOS4412,
> SOC_ARCH_EXYNOS5250,
> SOC_ARCH_EXYNOS5260,
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
> index c1d81dc..aa8e0de 100644
> --- a/drivers/thermal/samsung/exynos_tmu_data.c
> +++ b/drivers/thermal/samsung/exynos_tmu_data.c
> @@ -90,6 +90,95 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = {
> };
> #endif
>
> +#if defined(CONFIG_SOC_EXYNOS3250)
> +static const struct exynos_tmu_registers exynos3250_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,
> + .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
> + .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_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT,
> + .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
> + .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_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_CLEAR_FALL_INT_SHIFT,
> + .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT,
> + .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK,
> + .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK,
> + .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 EXYNOS3250_TMU_DATA \
> + .threshold_falling = 10, \
> + .trigger_levels[0] = 70, \
> + .trigger_levels[1] = 95, \
> + .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_TWO_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 = 70, \
> + }, \
> + .freq_tab[1] = { \
> + .freq_clip_max = 400 * 1000, \
> + .temp_level = 95, \
> + }, \
> + .freq_tab_count = 2, \
> + .registers = &exynos3250_tmu_registers, \
> + .features = (TMU_SUPPORT_EMULATION | \
> + TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \
> + TMU_SUPPORT_EMUL_TIME)
> +#endif
> +
> +#if defined(CONFIG_SOC_EXYNOS3250)
> +struct exynos_tmu_init_data const exynos3250_default_tmu_data = {
> + .tmu_data = {
> + {
> + EXYNOS3250_TMU_DATA,
> + .type = SOC_ARCH_EXYNOS3250,
> + .test_mux = EXYNOS4412_MUX_ADDR_VALUE,
> + },
> + },
> + .tmu_count = 1,
> +};
> +#endif
> +
> #if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
> static const struct exynos_tmu_registers exynos4412_tmu_registers = {
> .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
> index d268981..f0979e5 100644
> --- a/drivers/thermal/samsung/exynos_tmu_data.h
> +++ b/drivers/thermal/samsung/exynos_tmu_data.h
> @@ -148,6 +148,13 @@
> #define EXYNOS5440_TMU_TH_RISE4_SHIFT 24
> #define EXYNOS5440_EFUSE_SWAP_OFFSET 8
>
> +#if defined(CONFIG_SOC_EXYNOS3250)
> +extern struct exynos_tmu_init_data const exynos3250_default_tmu_data;
> +#define EXYNOS3250_TMU_DRV_DATA (&exynos3250_default_tmu_data)
> +#else
> +#define EXYNOS3250_TMU_DRV_DATA (NULL)
> +#endif
> +
> #if defined(CONFIG_CPU_EXYNOS4210)
> extern struct exynos_tmu_init_data const exynos4210_default_tmu_data;
> #define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data)
--
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