Anson Huang Best Regards!
> -----Original Message----- > From: Shawn Guo [mailto:shawn...@kernel.org] > Sent: Saturday, February 24, 2018 10:52 AM > To: Anson Huang <anson.hu...@nxp.com> > Cc: rui.zh...@intel.com; edubez...@gmail.com; robh...@kernel.org; > mark.rutl...@arm.com; ker...@pengutronix.de; Fabio Estevam > <fabio.este...@nxp.com>; li...@armlinux.org.uk; > linux-arm-ker...@lists.infradead.org; devicet...@vger.kernel.org; dl-linux-imx > <linux-...@nxp.com>; linux-kernel@vger.kernel.org; linux...@vger.kernel.org > Subject: Re: [PATCH V3 2/2] thermal: imx: add i.MX7 thermal sensor support > > On Mon, Feb 05, 2018 at 04:12:27PM +0800, Anson Huang wrote: > > This patch adds i.MX7 thermal sensor support, most of the i.MX7 > > thermal sensor functions are same with > > i.MX6 except the registers offset/layout, so we move those registers > > offset/layout definitions to soc data structure. > > > > i.MX7 uses single calibration data @25C, the calibration data is > > located at OCOTP offset 0x4F0, bit[17:9], the formula is as below: > > > > Tmeas = (Nmeas - n1) + 25; n1 is the fuse value for 25C. > > > > Signed-off-by: Anson Huang <anson.hu...@nxp.com> > > Signed-off-by: Bai Ping <ping....@nxp.com> > > --- > > changes since V2: > > Add bindind doc changes in this patch according to review comments. > > .../devicetree/bindings/thermal/imx-thermal.txt | 9 +- > > drivers/thermal/imx_thermal.c | 314 > ++++++++++++++++----- > > 2 files changed, 254 insertions(+), 69 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/thermal/imx-thermal.txt > > b/Documentation/devicetree/bindings/thermal/imx-thermal.txt > > index 28be51a..79f97bc 100644 > > --- a/Documentation/devicetree/bindings/thermal/imx-thermal.txt > > +++ b/Documentation/devicetree/bindings/thermal/imx-thermal.txt > > @@ -1,8 +1,13 @@ > > * Temperature Monitor (TEMPMON) on Freescale i.MX SoCs > > > > Required properties: > > -- compatible : "fsl,imx6q-tempmon" for i.MX6Q, "fsl,imx6sx-tempmon" for > i.MX6SX. > > - i.MX6SX has two more IRQs than i.MX6Q, one is IRQ_LOW and the other > > is IRQ_PANIC, > > +- compatible : must be one of following: > > + - "fsl,imx6q-tempmon" for i.MX6Q, > > + - "fsl,imx6sx-tempmon" for i.MX6SX, > > + - "fsl,imx7-tempmon" for i.MX7S/D. > > We generally use a SoC name rather than SoC family name for compatible. > So imx7d or imx7s should be used in there, right? I will use " fsl,imx7d-tempmon", just like other modules in dtsi. > > > +- interrupts : the interrupt output of the controller: > > + i.MX6Q has one IRQ which will be triggered when temperature is > > +higher than high threshold, > > + i.MX6SX and i.MX7S/D have two more IRQs than i.MX6Q, one is IRQ_LOW > > +and the other is IRQ_PANIC, > > when temperature is below than low threshold, IRQ_LOW will be > triggered, when temperature > > is higher than panic threshold, system will auto reboot by SRC module. > > - fsl,tempmon : phandle pointer to system controller that contains > > TEMPMON diff --git a/drivers/thermal/imx_thermal.c > > b/drivers/thermal/imx_thermal.c index e7d4ffc..c95fa82 100644 > > --- a/drivers/thermal/imx_thermal.c > > +++ b/drivers/thermal/imx_thermal.c > > @@ -31,34 +31,58 @@ > > #define REG_CLR 0x8 > > #define REG_TOG 0xc > > > > -#define MISC0 0x0150 > > -#define MISC0_REFTOP_SELBIASOFF (1 << 3) > > -#define MISC1 0x0160 > > -#define MISC1_IRQ_TEMPHIGH (1 << 29) > > +/* i.MX6 specific */ > > +#define IMX6_MISC0 0x0150 > > +#define IMX6_MISC0_REFTOP_SELBIASOFF (1 << 3) > > +#define IMX6_MISC1 0x0160 > > +#define IMX6_MISC1_IRQ_TEMPHIGH (1 << 29) > > /* Below LOW and PANIC bits are only for TEMPMON_IMX6SX */ > > -#define MISC1_IRQ_TEMPLOW (1 << 28) > > -#define MISC1_IRQ_TEMPPANIC (1 << 27) > > - > > -#define TEMPSENSE0 0x0180 > > -#define TEMPSENSE0_ALARM_VALUE_SHIFT 20 > > -#define TEMPSENSE0_ALARM_VALUE_MASK (0xfff << > TEMPSENSE0_ALARM_VALUE_SHIFT) > > -#define TEMPSENSE0_TEMP_CNT_SHIFT 8 > > -#define TEMPSENSE0_TEMP_CNT_MASK (0xfff << > TEMPSENSE0_TEMP_CNT_SHIFT) > > -#define TEMPSENSE0_FINISHED (1 << 2) > > -#define TEMPSENSE0_MEASURE_TEMP (1 << 1) > > -#define TEMPSENSE0_POWER_DOWN (1 << 0) > > - > > -#define TEMPSENSE1 0x0190 > > -#define TEMPSENSE1_MEASURE_FREQ 0xffff > > -/* Below TEMPSENSE2 is only for TEMPMON_IMX6SX */ > > -#define TEMPSENSE2 0x0290 > > -#define TEMPSENSE2_LOW_VALUE_SHIFT 0 > > -#define TEMPSENSE2_LOW_VALUE_MASK 0xfff > > -#define TEMPSENSE2_PANIC_VALUE_SHIFT 16 > > -#define TEMPSENSE2_PANIC_VALUE_MASK 0xfff0000 > > +#define IMX6_MISC1_IRQ_TEMPLOW (1 << 28) > > +#define IMX6_MISC1_IRQ_TEMPPANIC (1 << 27) > > + > > +#define IMX6_TEMPSENSE0 0x0180 > > +#define IMX6_TEMPSENSE0_ALARM_VALUE_SHIFT 20 > > +#define IMX6_TEMPSENSE0_ALARM_VALUE_MASK (0xfff << 20) > > +#define IMX6_TEMPSENSE0_TEMP_CNT_SHIFT 8 > > +#define IMX6_TEMPSENSE0_TEMP_CNT_MASK (0xfff << 8) > > +#define IMX6_TEMPSENSE0_FINISHED (1 << 2) > > +#define IMX6_TEMPSENSE0_MEASURE_TEMP (1 << 1) > > +#define IMX6_TEMPSENSE0_POWER_DOWN (1 << 0) > > + > > +#define IMX6_TEMPSENSE1 0x0190 > > +#define IMX6_TEMPSENSE1_MEASURE_FREQ 0xffff > > +#define IMX6_TEMPSENSE1_MEASURE_FREQ_SHIFT 0 > > > > -#define OCOTP_MEM0 0x0480 > > -#define OCOTP_ANA1 0x04e0 > > +/* Below TEMPSENSE2 is only for TEMPMON_IMX6SX */ > > +#define IMX6_TEMPSENSE2 0x0290 > > +#define IMX6_TEMPSENSE2_LOW_VALUE_SHIFT 0 > > +#define IMX6_TEMPSENSE2_LOW_VALUE_MASK 0xfff > > +#define IMX6_TEMPSENSE2_PANIC_VALUE_SHIFT 16 > > +#define IMX6_TEMPSENSE2_PANIC_VALUE_MASK 0xfff0000 > > + > > +/* i.MX7 specific */ > > +#define IMX7_ANADIG_DIGPROG 0x800 > > +#define IMX7_TEMPSENSE0 0x300 > > +#define IMX7_TEMPSENSE0_PANIC_ALARM_SHIFT 18 > > +#define IMX7_TEMPSENSE0_PANIC_ALARM_MASK (0x1ff << 18) > > +#define IMX7_TEMPSENSE0_HIGH_ALARM_SHIFT 9 > > +#define IMX7_TEMPSENSE0_HIGH_ALARM_MASK (0x1ff << 9) > > +#define IMX7_TEMPSENSE0_LOW_ALARM_SHIFT 0 > > +#define IMX7_TEMPSENSE0_LOW_ALARM_MASK 0x1ff > > + > > +#define IMX7_TEMPSENSE1 0x310 > > +#define IMX7_TEMPSENSE1_MEASURE_FREQ_SHIFT 16 > > +#define IMX7_TEMPSENSE1_MEASURE_FREQ_MASK (0xffff << 16) > > +#define IMX7_TEMPSENSE1_FINISHED (1 << 11) > > +#define IMX7_TEMPSENSE1_MEASURE_TEMP (1 << 10) > > +#define IMX7_TEMPSENSE1_POWER_DOWN (1 << 9) > > +#define IMX7_TEMPSENSE1_TEMP_VALUE_SHIFT 0 > > +#define IMX7_TEMPSENSE1_TEMP_VALUE_MASK 0x1ff > > + > > +#define IMX6_OCOTP_MEM0 0x0480 > > +#define IMX6_OCOTP_ANA1 0x04e0 > > +#define IMX7_OCOTP_TESTER3 0x0440 > > +#define IMX7_OCOTP_ANA1 0x04f0 > > > > /* The driver supports 1 passive trip point and 1 critical trip point > > */ enum imx_thermal_trip { @@ -76,17 +100,114 @@ enum > > imx_thermal_trip { > > > > #define TEMPMON_IMX6Q 1 > > #define TEMPMON_IMX6SX 2 > > +#define TEMPMON_IMX7 3 > > > > struct thermal_soc_data { > > u32 version; > > + > > + u32 sensor_ctrl; > > + u32 power_down_mask; > > + u32 measure_temp_mask; > > + > > + u32 measure_freq_ctrl; > > + u32 measure_freq_mask; > > + u32 measure_freq_shift; > > + > > + u32 temp_data; > > + u32 temp_value_mask; > > + u32 temp_value_shift; > > + u32 temp_valid_mask; > > + > > + u32 panic_alarm_ctrl; > > + u32 panic_alarm_mask; > > + u32 panic_alarm_shift; > > + > > + u32 high_alarm_ctrl; > > + u32 high_alarm_mask; > > + u32 high_alarm_shift; > > + > > + u32 low_alarm_ctrl; > > + u32 low_alarm_mask; > > + u32 low_alarm_shift; > > }; > > > > static struct thermal_soc_data thermal_imx6q_data = { > > .version = TEMPMON_IMX6Q, > > + > > + .sensor_ctrl = IMX6_TEMPSENSE0, > > + .power_down_mask = IMX6_TEMPSENSE0_POWER_DOWN, > > + .measure_temp_mask = IMX6_TEMPSENSE0_MEASURE_TEMP, > > + > > + .measure_freq_ctrl = IMX6_TEMPSENSE1, > > + .measure_freq_shift = IMX6_TEMPSENSE1_MEASURE_FREQ_SHIFT, > > + .measure_freq_mask = IMX6_TEMPSENSE1_MEASURE_FREQ, > > + > > + .temp_data = IMX6_TEMPSENSE0, > > + .temp_value_mask = IMX6_TEMPSENSE0_TEMP_CNT_MASK, > > + .temp_value_shift = IMX6_TEMPSENSE0_TEMP_CNT_SHIFT, > > + .temp_valid_mask = IMX6_TEMPSENSE0_FINISHED, > > + > > + .high_alarm_ctrl = IMX6_TEMPSENSE0, > > + .high_alarm_mask = IMX6_TEMPSENSE0_ALARM_VALUE_MASK, > > + .high_alarm_shift = IMX6_TEMPSENSE0_ALARM_VALUE_SHIFT, > > }; > > > > static struct thermal_soc_data thermal_imx6sx_data = { > > .version = TEMPMON_IMX6SX, > > + > > + .sensor_ctrl = IMX6_TEMPSENSE0, > > + .power_down_mask = IMX6_TEMPSENSE0_POWER_DOWN, > > + .measure_temp_mask = IMX6_TEMPSENSE0_MEASURE_TEMP, > > + > > + .measure_freq_ctrl = IMX6_TEMPSENSE1, > > + .measure_freq_shift = IMX6_TEMPSENSE1_MEASURE_FREQ_SHIFT, > > + .measure_freq_mask = IMX6_TEMPSENSE1_MEASURE_FREQ, > > + > > + .temp_data = IMX6_TEMPSENSE0, > > + .temp_value_mask = IMX6_TEMPSENSE0_TEMP_CNT_MASK, > > + .temp_value_shift = IMX6_TEMPSENSE0_TEMP_CNT_SHIFT, > > + .temp_valid_mask = IMX6_TEMPSENSE0_FINISHED, > > + > > + .high_alarm_ctrl = IMX6_TEMPSENSE0, > > + .high_alarm_mask = IMX6_TEMPSENSE0_ALARM_VALUE_MASK, > > + .high_alarm_shift = IMX6_TEMPSENSE0_ALARM_VALUE_SHIFT, > > + > > + .panic_alarm_ctrl = IMX6_TEMPSENSE2, > > + .panic_alarm_mask = IMX6_TEMPSENSE2_PANIC_VALUE_MASK, > > + .panic_alarm_shift = IMX6_TEMPSENSE2_PANIC_VALUE_SHIFT, > > + > > + .low_alarm_ctrl = IMX6_TEMPSENSE2, > > + .low_alarm_mask = IMX6_TEMPSENSE2_LOW_VALUE_MASK, > > + .low_alarm_shift = IMX6_TEMPSENSE2_LOW_VALUE_SHIFT, }; > > + > > +static struct thermal_soc_data thermal_imx7_data = { > > + .version = TEMPMON_IMX7, > > + > > + .sensor_ctrl = IMX7_TEMPSENSE1, > > + .power_down_mask = IMX7_TEMPSENSE1_POWER_DOWN, > > + .measure_temp_mask = IMX7_TEMPSENSE1_MEASURE_TEMP, > > + > > + .measure_freq_ctrl = IMX7_TEMPSENSE1, > > + .measure_freq_shift = IMX7_TEMPSENSE1_MEASURE_FREQ_SHIFT, > > + .measure_freq_mask = IMX7_TEMPSENSE1_MEASURE_FREQ_MASK, > > + > > + .temp_data = IMX7_TEMPSENSE1, > > + .temp_value_mask = IMX7_TEMPSENSE1_TEMP_VALUE_MASK, > > + .temp_value_shift = IMX7_TEMPSENSE1_TEMP_VALUE_SHIFT, > > + .temp_valid_mask = IMX7_TEMPSENSE1_FINISHED, > > + > > + .panic_alarm_ctrl = IMX7_TEMPSENSE1, > > + .panic_alarm_mask = IMX7_TEMPSENSE0_PANIC_ALARM_MASK, > > + .panic_alarm_shift = IMX7_TEMPSENSE0_PANIC_ALARM_SHIFT, > > + > > + .high_alarm_ctrl = IMX7_TEMPSENSE0, > > + .high_alarm_mask = IMX7_TEMPSENSE0_HIGH_ALARM_MASK, > > + .high_alarm_shift = IMX7_TEMPSENSE0_HIGH_ALARM_SHIFT, > > + > > + .low_alarm_ctrl = IMX7_TEMPSENSE0, > > + .low_alarm_mask = IMX7_TEMPSENSE0_LOW_ALARM_MASK, > > + .low_alarm_shift = IMX7_TEMPSENSE0_LOW_ALARM_SHIFT, > > }; > > > > struct imx_thermal_data { > > @@ -112,30 +233,41 @@ static void imx_set_panic_temp(struct > imx_thermal_data *data, > > int panic_temp) > > { > > struct regmap *map = data->tempmon; > > + const struct thermal_soc_data *soc_data = data->socdata; > > When possible, please keep the local variable area from the longest line to > the > shortest. Will fix it in V4. > > > int critical_value; > > > > critical_value = (data->c2 - panic_temp) / data->c1; > > - regmap_write(map, TEMPSENSE2 + REG_CLR, > TEMPSENSE2_PANIC_VALUE_MASK); > > - regmap_write(map, TEMPSENSE2 + REG_SET, critical_value << > > - TEMPSENSE2_PANIC_VALUE_SHIFT); > > + > > + regmap_write(map, soc_data->panic_alarm_ctrl + REG_CLR, > > + soc_data->panic_alarm_mask); > > + regmap_write(map, soc_data->panic_alarm_ctrl + REG_SET, > > + critical_value << soc_data->panic_alarm_shift); > > } > > > > static void imx_set_alarm_temp(struct imx_thermal_data *data, > > int alarm_temp) > > { > > struct regmap *map = data->tempmon; > > + const struct thermal_soc_data *soc_data = data->socdata; > > int alarm_value; > > > > data->alarm_temp = alarm_temp; > > - alarm_value = (data->c2 - alarm_temp) / data->c1; > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_ALARM_VALUE_MASK); > > - regmap_write(map, TEMPSENSE0 + REG_SET, alarm_value << > > - TEMPSENSE0_ALARM_VALUE_SHIFT); > > + > > + if (data->socdata->version == TEMPMON_IMX7) > > + alarm_value = alarm_temp / 1000 + data->c1 - 25; > > + else > > + alarm_value = (data->c2 - alarm_temp) / data->c1; > > + > > + regmap_write(map, soc_data->high_alarm_ctrl + REG_CLR, > > + soc_data->high_alarm_mask); > > + regmap_write(map, soc_data->high_alarm_ctrl + REG_SET, > > + alarm_value << soc_data->high_alarm_shift); > > } > > > > static int imx_get_temp(struct thermal_zone_device *tz, int *temp) { > > struct imx_thermal_data *data = tz->devdata; > > + const struct thermal_soc_data *soc_data = data->socdata; > > struct regmap *map = data->tempmon; > > unsigned int n_meas; > > bool wait; > > @@ -143,16 +275,18 @@ static int imx_get_temp(struct > > thermal_zone_device *tz, int *temp) > > > > if (data->mode == THERMAL_DEVICE_ENABLED) { > > /* Check if a measurement is currently in progress */ > > - regmap_read(map, TEMPSENSE0, &val); > > - wait = !(val & TEMPSENSE0_FINISHED); > > + regmap_read(map, soc_data->temp_data, &val); > > + wait = !(val & soc_data->temp_valid_mask); > > } else { > > /* > > * Every time we measure the temperature, we will power on the > > * temperature sensor, enable measurements, take a reading, > > * disable measurements, power off the temperature sensor. > > */ > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_POWER_DOWN); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_MEASURE_TEMP); > > + regmap_write(map, soc_data->sensor_ctrl + REG_CLR, > > + soc_data->power_down_mask); > > + regmap_write(map, soc_data->sensor_ctrl + REG_SET, > > + soc_data->measure_temp_mask); > > > > wait = true; > > } > > @@ -164,22 +298,28 @@ static int imx_get_temp(struct > thermal_zone_device *tz, int *temp) > > if (wait) > > usleep_range(20, 50); > > > > - regmap_read(map, TEMPSENSE0, &val); > > + regmap_read(map, soc_data->temp_data, &val); > > > > if (data->mode != THERMAL_DEVICE_ENABLED) { > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_MEASURE_TEMP); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_POWER_DOWN); > > + regmap_write(map, soc_data->sensor_ctrl + REG_CLR, > > + soc_data->measure_temp_mask); > > + regmap_write(map, soc_data->sensor_ctrl + REG_SET, > > + soc_data->power_down_mask); > > } > > > > - if ((val & TEMPSENSE0_FINISHED) == 0) { > > + if ((val & soc_data->temp_valid_mask) == 0) { > > dev_dbg(&tz->device, "temp measurement never finished\n"); > > return -EAGAIN; > > } > > > > - n_meas = (val & TEMPSENSE0_TEMP_CNT_MASK) >> > TEMPSENSE0_TEMP_CNT_SHIFT; > > + n_meas = (val & soc_data->temp_value_mask) > > + >> soc_data->temp_value_shift; > > > > /* See imx_init_calib() for formula derivation */ > > - *temp = data->c2 - n_meas * data->c1; > > + if (data->socdata->version == TEMPMON_IMX7) > > + *temp = (n_meas - data->c1 + 25) * 1000; > > + else > > + *temp = data->c2 - n_meas * data->c1; > > > > /* Update alarm value to next higher trip point for TEMPMON_IMX6Q */ > > if (data->socdata->version == TEMPMON_IMX6Q) { @@ -223,21 +363,26 > @@ > > static int imx_set_mode(struct thermal_zone_device *tz, { > > struct imx_thermal_data *data = tz->devdata; > > struct regmap *map = data->tempmon; > > + const struct thermal_soc_data *soc_data = data->socdata; > > > > if (mode == THERMAL_DEVICE_ENABLED) { > > tz->polling_delay = IMX_POLLING_DELAY; > > tz->passive_delay = IMX_PASSIVE_DELAY; > > > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_POWER_DOWN); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_MEASURE_TEMP); > > + regmap_write(map, soc_data->sensor_ctrl + REG_CLR, > > + soc_data->power_down_mask); > > + regmap_write(map, soc_data->sensor_ctrl + REG_SET, > > + soc_data->measure_temp_mask); > > > > if (!data->irq_enabled) { > > data->irq_enabled = true; > > enable_irq(data->irq); > > } > > } else { > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_MEASURE_TEMP); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_POWER_DOWN); > > + regmap_write(map, soc_data->sensor_ctrl + REG_CLR, > > + soc_data->measure_temp_mask); > > + regmap_write(map, soc_data->sensor_ctrl + REG_SET, > > + soc_data->power_down_mask); > > > > tz->polling_delay = 0; > > tz->passive_delay = 0; > > @@ -359,6 +504,15 @@ static int imx_init_calib(struct platform_device > *pdev, u32 val) > > } > > > > /* > > + * On i.MX7, we only use the calibration data at 25C to get the temp, > > + * Tmeas = ( Nmeas - n1) + 25; n1 is the fuse value for 25C. > > + */ > > + if (data->socdata->version == TEMPMON_IMX7) { > > + data->c1 = (val >> 9) & 0x1ff; > > + return 0; > > + } > > + > > + /* > > * Sensor data layout: > > * [31:20] - sensor value @ 25C > > * Use universal formula now and only need sensor value @ 25C > > This chunk of code conflicts with mainline. Please rebase the patch to > v4.16-rc. > > Shawn Will do it in V4. Thanks. Anson. > > > @@ -426,6 +580,7 @@ static void imx_init_temp_grade(struct > > platform_device *pdev, u32 val) > > > > static int imx_init_from_tempmon_data(struct platform_device *pdev) > > { > > + const struct imx_thermal_data *data = platform_get_drvdata(pdev); > > struct regmap *map; > > int ret; > > u32 val; > > @@ -438,7 +593,11 @@ static int imx_init_from_tempmon_data(struct > platform_device *pdev) > > return ret; > > } > > > > - ret = regmap_read(map, OCOTP_ANA1, &val); > > + if (data->socdata->version == TEMPMON_IMX7) > > + ret = regmap_read(map, IMX7_OCOTP_ANA1, &val); > > + else > > + ret = regmap_read(map, IMX6_OCOTP_ANA1, &val); > > + > > if (ret) { > > dev_err(&pdev->dev, "failed to read sensor data: %d\n", ret); > > return ret; > > @@ -447,7 +606,11 @@ static int imx_init_from_tempmon_data(struct > platform_device *pdev) > > if (ret) > > return ret; > > > > - ret = regmap_read(map, OCOTP_MEM0, &val); > > + /* use OTP for thermal grade */ > > + if (data->socdata->version == TEMPMON_IMX7) > > + ret = regmap_read(map, IMX7_OCOTP_TESTER3, &val); > > + else > > + ret = regmap_read(map, IMX6_OCOTP_MEM0, &val); > > if (ret) { > > dev_err(&pdev->dev, "failed to read sensor data: %d\n", ret); > > return ret; > > @@ -500,6 +663,7 @@ static irqreturn_t > > imx_thermal_alarm_irq_thread(int irq, void *dev) static const struct > of_device_id of_imx_thermal_match[] = { > > { .compatible = "fsl,imx6q-tempmon", .data = &thermal_imx6q_data, }, > > { .compatible = "fsl,imx6sx-tempmon", .data = &thermal_imx6sx_data, > > }, > > + { .compatible = "fsl,imx7-tempmon", .data = &thermal_imx7_data, }, > > { /* end */ } > > }; > > MODULE_DEVICE_TABLE(of, of_imx_thermal_match); @@ -531,14 +695,15 > @@ > > static int imx_thermal_probe(struct platform_device *pdev) > > > > /* make sure the IRQ flag is clear before enabling irq on i.MX6SX */ > > if (data->socdata->version == TEMPMON_IMX6SX) { > > - regmap_write(map, MISC1 + REG_CLR, MISC1_IRQ_TEMPHIGH | > > - MISC1_IRQ_TEMPLOW | MISC1_IRQ_TEMPPANIC); > > + regmap_write(map, IMX6_MISC1 + REG_CLR, > > + IMX6_MISC1_IRQ_TEMPHIGH | IMX6_MISC1_IRQ_TEMPLOW > > + | IMX6_MISC1_IRQ_TEMPPANIC); > > /* > > * reset value of LOW ALARM is incorrect, set it to lowest > > * value to avoid false trigger of low alarm. > > */ > > - regmap_write(map, TEMPSENSE2 + REG_SET, > > - TEMPSENSE2_LOW_VALUE_MASK); > > + regmap_write(map, data->socdata->low_alarm_ctrl + REG_SET, > > + data->socdata->low_alarm_mask); > > } > > > > data->irq = platform_get_irq(pdev, 0); @@ -565,11 +730,17 @@ static > > int imx_thermal_probe(struct platform_device *pdev) > > } > > > > /* Make sure sensor is in known good state for measurements */ > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_POWER_DOWN); > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_MEASURE_TEMP); > > - regmap_write(map, TEMPSENSE1 + REG_CLR, > TEMPSENSE1_MEASURE_FREQ); > > - regmap_write(map, MISC0 + REG_SET, MISC0_REFTOP_SELBIASOFF); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_POWER_DOWN); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_CLR, > > + data->socdata->power_down_mask); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_CLR, > > + data->socdata->measure_temp_mask); > > + regmap_write(map, data->socdata->measure_freq_ctrl + REG_CLR, > > + data->socdata->measure_freq_mask); > > + if (data->socdata->version != TEMPMON_IMX7) > > + regmap_write(map, IMX6_MISC0 + REG_SET, > > + IMX6_MISC0_REFTOP_SELBIASOFF); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_SET, > > + data->socdata->power_down_mask); > > > > data->policy = cpufreq_cpu_get(0); > > if (!data->policy) { > > @@ -634,16 +805,20 @@ static int imx_thermal_probe(struct > platform_device *pdev) > > data->temp_passive / 1000); > > > > /* Enable measurements at ~ 10 Hz */ > > - regmap_write(map, TEMPSENSE1 + REG_CLR, > TEMPSENSE1_MEASURE_FREQ); > > + regmap_write(map, data->socdata->measure_freq_ctrl + REG_CLR, > > + data->socdata->measure_freq_mask); > > measure_freq = DIV_ROUND_UP(32768, 10); /* 10 Hz */ > > - regmap_write(map, TEMPSENSE1 + REG_SET, measure_freq); > > + regmap_write(map, data->socdata->measure_freq_ctrl + REG_SET, > > + measure_freq << data->socdata->measure_freq_shift); > > imx_set_alarm_temp(data, data->temp_passive); > > > > if (data->socdata->version == TEMPMON_IMX6SX) > > imx_set_panic_temp(data, data->temp_critical); > > > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_POWER_DOWN); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_MEASURE_TEMP); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_CLR, > > + data->socdata->power_down_mask); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_SET, > > + data->socdata->measure_temp_mask); > > > > ret = devm_request_threaded_irq(&pdev->dev, data->irq, > > imx_thermal_alarm_irq, imx_thermal_alarm_irq_thread, @@ > -669,7 > > +844,8 @@ static int imx_thermal_remove(struct platform_device *pdev) > > struct regmap *map = data->tempmon; > > > > /* Disable measurements */ > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_POWER_DOWN); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_SET, > > + data->socdata->power_down_mask); > > if (!IS_ERR(data->thermal_clk)) > > clk_disable_unprepare(data->thermal_clk); > > > > @@ -692,8 +868,10 @@ static int imx_thermal_suspend(struct device *dev) > > * temperature will be read as the thermal sensor is powered > > * down. > > */ > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_MEASURE_TEMP); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_POWER_DOWN); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_CLR, > > + data->socdata->measure_temp_mask); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_SET, > > + data->socdata->power_down_mask); > > data->mode = THERMAL_DEVICE_DISABLED; > > clk_disable_unprepare(data->thermal_clk); > > > > @@ -710,8 +888,10 @@ static int imx_thermal_resume(struct device *dev) > > if (ret) > > return ret; > > /* Enabled thermal sensor after resume */ > > - regmap_write(map, TEMPSENSE0 + REG_CLR, > TEMPSENSE0_POWER_DOWN); > > - regmap_write(map, TEMPSENSE0 + REG_SET, > TEMPSENSE0_MEASURE_TEMP); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_CLR, > > + data->socdata->power_down_mask); > > + regmap_write(map, data->socdata->sensor_ctrl + REG_SET, > > + data->socdata->measure_temp_mask); > > data->mode = THERMAL_DEVICE_ENABLED; > > > > return 0; > > -- > > 2.7.4 > > > > > > _______________________________________________ > > linux-arm-kernel mailing list > > linux-arm-ker...@lists.infradead.org > > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flist > > > s.infradead.org%2Fmailman%2Flistinfo%2Flinux-arm-kernel&data=02%7C01%7 > > > CAnson.Huang%40nxp.com%7Cd898c8e14005400c43d708d57b318ba9%7C686 > ea1d3bc > > > 2b4c6fa92cd99c5c301635%7C0%7C0%7C636550375162485575&sdata=pc%2F > u3gXam5 > > hJoScdXgXXZAUc074eIg0dHeYbKLC%2FOy8%3D&reserved=0
