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Message-ID: <CADGdYn45A2aYY97rmC2WkxnWfFitvdNNrYK-2Nt=VDrY6HyH_w@mail.gmail.com>
Date: Wed, 20 Aug 2014 10:21:21 +0530
From: amit daniel kachhap <amit.daniel@...sung.com>
To: Chanwoo Choi <cw00.choi@...sung.com>
Cc: Zhang Rui <rui.zhang@...el.com>,
"Valentin, Eduardo" <eduardo.valentin@...com>,
Kukjin Kim <kgene.kim@...sung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Tomasz Figa <t.figa@...sung.com>,
Lukasz Majewski <l.majewski@...sung.com>,
naveen krishna <ch.naveen@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
devicetree@...r.kernel.org,
LAK <linux-arm-kernel@...ts.infradead.org>,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Eduardo Valentin <edubezval@...il.com>
Subject: Re: [PATCHv3] thermal: exynos: Add support for TRIM_RELOAD feature at Exynos3250
On Wed, Aug 20, 2014 at 5:22 AM, Chanwoo Choi <cw00.choi@...sung.com> wrote:
> This patch add support for TRIM_RELOAD feature at Exynos3250. The TMU of
> Exynos3250 has two TRIMINFO_CON register.
>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
> Cc: Zhang Rui <rui.zhang@...el.com>
> Cc: Eduardo Valentin <edubezval@...il.com>
> Cc: Amit Daniel Kachhap <amit.daniel@...sung.com>
The changes looks fine,
Reviewed-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
Thanks,
Amit
> ---
> Changes from v2:
> - Fix build break because of missing 'or' operation.
> Changes from v1:
> - Add missing 'TMU_SUPPORT_TRIM_RELOAD' feature
>
> drivers/thermal/samsung/exynos_tmu.c | 7 +++++--
> drivers/thermal/samsung/exynos_tmu.h | 5 +++--
> drivers/thermal/samsung/exynos_tmu_data.c | 11 +++++++++--
> drivers/thermal/samsung/exynos_tmu_data.h | 7 +++++--
> 4 files changed, 22 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index acbff14..ed01606 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -164,8 +164,11 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
> }
> }
>
> - if (TMU_SUPPORTS(pdata, TRIM_RELOAD))
> - __raw_writel(1, data->base + reg->triminfo_ctrl);
> + if (TMU_SUPPORTS(pdata, TRIM_RELOAD)) {
> + for (i = 0; i < pdata->triminfo_reload_count; i++)
> + __raw_writel(pdata->triminfo_reload[i],
> + data->base + reg->triminfo_ctrl[i]);
> + }
>
> if (pdata->cal_mode == HW_MODE)
> goto skip_calib_data;
> diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
> index 1b4a644..72cb54e 100644
> --- a/drivers/thermal/samsung/exynos_tmu.h
> +++ b/drivers/thermal/samsung/exynos_tmu.h
> @@ -151,8 +151,7 @@ struct exynos_tmu_registers {
> u32 triminfo_25_shift;
> u32 triminfo_85_shift;
>
> - u32 triminfo_ctrl;
> - u32 triminfo_ctrl1;
> + u32 triminfo_ctrl[2];
> u32 triminfo_reload_shift;
>
> u32 tmu_ctrl;
> @@ -295,6 +294,8 @@ struct exynos_tmu_platform_data {
> u8 second_point_trim;
> u8 default_temp_offset;
> u8 test_mux;
> + u8 triminfo_reload[2];
> + u8 triminfo_reload_count;
>
> enum calibration_type cal_type;
> enum calibration_mode cal_mode;
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
> index aa8e0de..8cd609c 100644
> --- a/drivers/thermal/samsung/exynos_tmu_data.c
> +++ b/drivers/thermal/samsung/exynos_tmu_data.c
> @@ -95,6 +95,8 @@ 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,
> + .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON1,
> + .triminfo_ctrl[1] = EXYNOS_TMU_TRIMINFO_CON2,
> .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
> .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
> .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT,
> @@ -160,8 +162,11 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = {
> .temp_level = 95, \
> }, \
> .freq_tab_count = 2, \
> + .triminfo_reload[0] = 0x1, \
> + .triminfo_reload[1] = 0x11, \
> + .triminfo_reload_count = 2, \
> .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
> @@ -184,7 +189,7 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
> .triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
> .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
> .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
> - .triminfo_ctrl = EXYNOS_TMU_TRIMINFO_CON,
> + .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON2,
> .triminfo_reload_shift = EXYNOS_TRIMINFO_RELOAD_SHIFT,
> .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
> .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
> @@ -252,6 +257,8 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
> .temp_level = 95, \
> }, \
> .freq_tab_count = 2, \
> + .triminfo_reload[0] = 0x1, \
> + .triminfo_reload_count = 1, \
> .registers = &exynos4412_tmu_registers, \
> .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \
> TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
> index f0979e5..e0536c3 100644
> --- a/drivers/thermal/samsung/exynos_tmu_data.h
> +++ b/drivers/thermal/samsung/exynos_tmu_data.h
> @@ -57,8 +57,11 @@
> #define EXYNOS4210_TMU_TRIG_LEVEL_MASK 0x1111
> #define EXYNOS4210_TMU_INTCLEAR_VAL 0x1111
>
> -/* Exynos5250 and Exynos4412 specific registers */
> -#define EXYNOS_TMU_TRIMINFO_CON 0x14
> +/* Exynos3250 specific registers */
> +#define EXYNOS_TMU_TRIMINFO_CON1 0x10
> +
> +/* Exynos5250, Exynos4412 and 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
> --
> 1.8.0
>
> --
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