| Message ID | 20230105101748.6714-3-alice.guo@oss.nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | add i.MX93 TMU support | expand |
Kindly ping... Best Regards, Alice Guo > -----Original Message----- > From: linux-arm-kernel <linux-arm-kernel-bounces@lists.infradead.org> On > Behalf Of Alice Guo (OSS) > Sent: Thursday, January 5, 2023 6:18 PM > To: rafael@kernel.org; daniel.lezcano@linaro.org; amitk@kernel.org; > rui.zhang@intel.com; robh+dt@kernel.org; krzysztof.kozlowski+dt@linaro.org; > shawnguo@kernel.org; s.hauer@pengutronix.de; festevam@gmail.com > Cc: linux-pm@vger.kernel.org; linux-kernel@vger.kernel.org; > linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org; dl-linux-imx > <linux-imx@nxp.com> > Subject: [PATCH v1 2/4] thermal: qoriq: add i.MX93 TMU support > > From: Alice Guo <alice.guo@nxp.com> > > The procedure to program the calibration table of i.MX93 TMU: > 1. disable monitoring mode > 2. configure TCMCFG > 3. write TTCFGR with TTCFGR[CAL_PT] = n > 4. write TSCFGR with the sensor value of the calibration point n 5. write > TTRCRn associated with the calibration point n Need to repeat steps 3—5 for all > calibration points from the calibration table provided by the TMU device node. > > When TRITSR[V] = 1 and TRITSR[TP5] = 1, need to add 0.5K to TRITSR[TEMP]. > > IPBRR0s of lx2160ardb, lx2162aqds and i.MX93 have the same value > 0x01900201 so that use the compatible to determine whether the current > TMU belongs to i.MX93 or not. > > Signed-off-by: Alice Guo <alice.guo@nxp.com> > Reviewed-by: Jacky Bai <ping.bai@nxp.com> > Reviewed-by: Ye Li <ye.li@nxp.com> > Acked-by: Jason Liu <jason.hui.liu@nxp.com> > --- > drivers/thermal/qoriq_thermal.c | 56 > ++++++++++++++++++++++++++++++--- > 1 file changed, 52 insertions(+), 4 deletions(-) > > diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c > index d111e218f362..18030bd68687 100644 > --- a/drivers/thermal/qoriq_thermal.c > +++ b/drivers/thermal/qoriq_thermal.c > @@ -24,9 +24,11 @@ > #define TMTMIR_DEFAULT 0x0000000f > #define TIER_DISABLE 0x0 > #define TEUMR0_V2 0x51009c00 > +#define TEUMR0_V21 0x55010c00 > #define TMSARA_V2 0xe > #define TMU_VER1 0x1 > #define TMU_VER2 0x2 > +#define TMU_VER93 0x3 > > #define REGS_TMR 0x000 /* Mode Register */ > #define TMR_DISABLE 0x0 > @@ -52,6 +54,7 @@ > * Site Register > */ > #define TRITSR_V BIT(31) > +#define TRITSR_TP5 BIT(9) > #define REGS_V2_TMSAR(n) (0x304 + 16 * (n)) /* TMU monitoring > * site adjustment register > */ > @@ -114,10 +117,16 @@ static int tmu_get_temp(struct > thermal_zone_device *tz, int *temp) > 10 * USEC_PER_MSEC)) > return -ENODATA; > > - if (qdata->ver == TMU_VER1) > + if (qdata->ver == TMU_VER1) { > *temp = (val & GENMASK(7, 0)) * MILLIDEGREE_PER_DEGREE; > - else > + } else if (qdata->ver == TMU_VER93) { > + if (val & TRITSR_TP5) > + *temp = milli_kelvin_to_millicelsius((val & GENMASK(8, 0)) * > MILLIDEGREE_PER_DEGREE + 500); > + else > + *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); > + } else { > *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); > + } > > return 0; > } > @@ -207,6 +216,33 @@ static int qoriq_tmu_calibration(struct device *dev, > return 0; > } > > +static int imx93_tmu_calibration(struct device *dev, > + struct qoriq_tmu_data *data) > +{ > + const u32 *calibration = NULL; > + u32 cal_pt = 0; > + u32 val = 0; > + unsigned int len = 0; > + unsigned int i = 0; > + > + calibration = of_get_property(dev->of_node, "fsl,tmu-calibration", &len); > + if (calibration == NULL || len / 8 > 16 || len % 8) { > + dev_err(dev, "invalid tmu calibration\n"); > + return -ENODEV; > + } > + > + for (i = 0; i < len; i += 0x8, calibration += 2) { > + cal_pt = i / 8; > + regmap_write(data->regmap, REGS_TTCFGR, cal_pt); > + val = of_read_number(calibration, 1); > + regmap_write(data->regmap, REGS_TSCFGR, val); > + val = of_read_number(calibration + 1, 1); > + regmap_write(data->regmap, REGS_TTRnCR(cal_pt), val); > + } > + > + return 0; > +} > + > static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) { > int i; > @@ -218,6 +254,11 @@ static void qoriq_tmu_init_device(struct > qoriq_tmu_data *data) > > if (data->ver == TMU_VER1) { > regmap_write(data->regmap, REGS_TMTMIR, TMTMIR_DEFAULT); > + } else if (data->ver == TMU_VER93) { > + regmap_write(data->regmap, REGS_V2_TMTMIR, > TMTMIR_DEFAULT); > + regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V21); > + for (i = 0; i < SITES_MAX; i++) > + regmap_write(data->regmap, REGS_V2_TMSAR(i), TMSARA_V2); > } else { > regmap_write(data->regmap, REGS_V2_TMTMIR, > TMTMIR_DEFAULT); > regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V2); > @@ -231,7 +272,7 @@ static void qoriq_tmu_init_device(struct > qoriq_tmu_data *data) > > static const struct regmap_range qoriq_yes_ranges[] = { > regmap_reg_range(REGS_TMR, REGS_TSCFGR), > - regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(3)), > + regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(15)), > regmap_reg_range(REGS_V2_TEUMR(0), REGS_V2_TEUMR(2)), > regmap_reg_range(REGS_V2_TMSAR(0), REGS_V2_TMSAR(15)), > regmap_reg_range(REGS_IPBRR(0), REGS_IPBRR(1)), @@ -319,9 +360,15 > @@ static int qoriq_tmu_probe(struct platform_device *pdev) > } > data->ver = (ver >> 8) & 0xff; > > + if (of_find_compatible_node(NULL, NULL, "fsl,imx93-tmu")) > + data->ver = TMU_VER93; > + > qoriq_tmu_init_device(data); /* TMU initialization */ > > - ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ > + if (data->ver == TMU_VER93) > + ret = imx93_tmu_calibration(dev, data); > + else > + ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ > if (ret < 0) > return ret; > > @@ -369,6 +416,7 @@ static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops, > static const struct of_device_id qoriq_tmu_match[] = { > { .compatible = "fsl,qoriq-tmu", }, > { .compatible = "fsl,imx8mq-tmu", }, > + { .compatible = "fsl,imx93-tmu", }, > {}, > }; > MODULE_DEVICE_TABLE(of, qoriq_tmu_match); > -- > 2.17.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
On 05/01/2023 11:17, Alice Guo (OSS) wrote: > From: Alice Guo <alice.guo@nxp.com> > > The procedure to program the calibration table of i.MX93 TMU: > 1. disable monitoring mode > 2. configure TCMCFG > 3. write TTCFGR with TTCFGR[CAL_PT] = n > 4. write TSCFGR with the sensor value of the calibration point n > 5. write TTRCRn associated with the calibration point n > Need to repeat steps 3—5 for all calibration points from the calibration > table provided by the TMU device node. > > When TRITSR[V] = 1 and TRITSR[TP5] = 1, need to add 0.5K to > TRITSR[TEMP]. > > IPBRR0s of lx2160ardb, lx2162aqds and i.MX93 have the same value > 0x01900201 so that use the compatible to determine whether the current > TMU belongs to i.MX93 or not. > > Signed-off-by: Alice Guo <alice.guo@nxp.com> > Reviewed-by: Jacky Bai <ping.bai@nxp.com> > Reviewed-by: Ye Li <ye.li@nxp.com> > Acked-by: Jason Liu <jason.hui.liu@nxp.com> > --- [ ... ] > @@ -369,6 +416,7 @@ static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops, > static const struct of_device_id qoriq_tmu_match[] = { > { .compatible = "fsl,qoriq-tmu", }, > { .compatible = "fsl,imx8mq-tmu", }, > + { .compatible = "fsl,imx93-tmu", }, > {}, Now that you have more than 2, I suggest the pass a ops structure to .data, so you can call them directly instead of checking the TMU version in the calibration, the initialization and get the temperature. > }; > MODULE_DEVICE_TABLE(of, qoriq_tmu_match);
Hi, Am Donnerstag, 5. Januar 2023, 11:17:46 CET schrieb Alice Guo (OSS): > From: Alice Guo <alice.guo@nxp.com> > > The procedure to program the calibration table of i.MX93 TMU: > 1. disable monitoring mode > 2. configure TCMCFG > 3. write TTCFGR with TTCFGR[CAL_PT] = n > 4. write TSCFGR with the sensor value of the calibration point n > 5. write TTRCRn associated with the calibration point n > Need to repeat steps 3—5 for all calibration points from the calibration > table provided by the TMU device node. > > When TRITSR[V] = 1 and TRITSR[TP5] = 1, need to add 0.5K to > TRITSR[TEMP]. > > IPBRR0s of lx2160ardb, lx2162aqds and i.MX93 have the same value > 0x01900201 so that use the compatible to determine whether the current > TMU belongs to i.MX93 or not. > > Signed-off-by: Alice Guo <alice.guo@nxp.com> > Reviewed-by: Jacky Bai <ping.bai@nxp.com> > Reviewed-by: Ye Li <ye.li@nxp.com> > Acked-by: Jason Liu <jason.hui.liu@nxp.com> > --- > drivers/thermal/qoriq_thermal.c | 56 ++++++++++++++++++++++++++++++--- > 1 file changed, 52 insertions(+), 4 deletions(-) > > diff --git a/drivers/thermal/qoriq_thermal.c > b/drivers/thermal/qoriq_thermal.c index d111e218f362..18030bd68687 100644 > --- a/drivers/thermal/qoriq_thermal.c > +++ b/drivers/thermal/qoriq_thermal.c > @@ -24,9 +24,11 @@ > #define TMTMIR_DEFAULT 0x0000000f > #define TIER_DISABLE 0x0 > #define TEUMR0_V2 0x51009c00 > +#define TEUMR0_V21 0x55010c00 > #define TMSARA_V2 0xe > #define TMU_VER1 0x1 > #define TMU_VER2 0x2 > +#define TMU_VER93 0x3 > > #define REGS_TMR 0x000 /* Mode Register */ > #define TMR_DISABLE 0x0 > @@ -52,6 +54,7 @@ > * Site Register > */ > #define TRITSR_V BIT(31) > +#define TRITSR_TP5 BIT(9) > #define REGS_V2_TMSAR(n) (0x304 + 16 * (n)) /* TMU monitoring > * site adjustment register > */ > @@ -114,10 +117,16 @@ static int tmu_get_temp(struct thermal_zone_device > *tz, int *temp) 10 * USEC_PER_MSEC)) > return -ENODATA; > > - if (qdata->ver == TMU_VER1) > + if (qdata->ver == TMU_VER1) { > *temp = (val & GENMASK(7, 0)) * MILLIDEGREE_PER_DEGREE; > - else > + } else if (qdata->ver == TMU_VER93) { > + if (val & TRITSR_TP5) > + *temp = milli_kelvin_to_millicelsius((val & GENMASK(8, 0)) * > MILLIDEGREE_PER_DEGREE + 500); + else > + *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); > + } else { > *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); > + } > > return 0; > } > @@ -207,6 +216,33 @@ static int qoriq_tmu_calibration(struct device *dev, > return 0; > } > > +static int imx93_tmu_calibration(struct device *dev, > + struct qoriq_tmu_data *data) > +{ > + const u32 *calibration = NULL; This should be __be32 instead of u32. > + u32 cal_pt = 0; > + u32 val = 0; > + unsigned int len = 0; > + unsigned int i = 0; > + > + calibration = of_get_property(dev->of_node, "fsl,tmu-calibration", &len); > + if (calibration == NULL || len / 8 > 16 || len % 8) { > + dev_err(dev, "invalid tmu calibration\n"); > + return -ENODEV; > + } > + > + for (i = 0; i < len; i += 0x8, calibration += 2) { > + cal_pt = i / 8; > + regmap_write(data->regmap, REGS_TTCFGR, cal_pt); > + val = of_read_number(calibration, 1); of_read_number is actually expecting a __be32. Best regards, Alexander > + regmap_write(data->regmap, REGS_TSCFGR, val); > + val = of_read_number(calibration + 1, 1); > + regmap_write(data->regmap, REGS_TTRnCR(cal_pt), val); > + } > + > + return 0; > +} > + > static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) > { > int i; > @@ -218,6 +254,11 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data > *data) > > if (data->ver == TMU_VER1) { > regmap_write(data->regmap, REGS_TMTMIR, TMTMIR_DEFAULT); > + } else if (data->ver == TMU_VER93) { > + regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT); > + regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V21); > + for (i = 0; i < SITES_MAX; i++) > + regmap_write(data->regmap, REGS_V2_TMSAR(i), TMSARA_V2); > } else { > regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT); > regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V2); > @@ -231,7 +272,7 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data > *data) > > static const struct regmap_range qoriq_yes_ranges[] = { > regmap_reg_range(REGS_TMR, REGS_TSCFGR), > - regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(3)), > + regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(15)), > regmap_reg_range(REGS_V2_TEUMR(0), REGS_V2_TEUMR(2)), > regmap_reg_range(REGS_V2_TMSAR(0), REGS_V2_TMSAR(15)), > regmap_reg_range(REGS_IPBRR(0), REGS_IPBRR(1)), > @@ -319,9 +360,15 @@ static int qoriq_tmu_probe(struct platform_device > *pdev) } > data->ver = (ver >> 8) & 0xff; > > + if (of_find_compatible_node(NULL, NULL, "fsl,imx93-tmu")) > + data->ver = TMU_VER93; > + > qoriq_tmu_init_device(data); /* TMU initialization */ > > - ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ > + if (data->ver == TMU_VER93) > + ret = imx93_tmu_calibration(dev, data); > + else > + ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ > if (ret < 0) > return ret; > > @@ -369,6 +416,7 @@ static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops, > static const struct of_device_id qoriq_tmu_match[] = { > { .compatible = "fsl,qoriq-tmu", }, > { .compatible = "fsl,imx8mq-tmu", }, > + { .compatible = "fsl,imx93-tmu", }, > {}, > }; > MODULE_DEVICE_TABLE(of, qoriq_tmu_match);
diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index d111e218f362..18030bd68687 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -24,9 +24,11 @@ #define TMTMIR_DEFAULT 0x0000000f #define TIER_DISABLE 0x0 #define TEUMR0_V2 0x51009c00 +#define TEUMR0_V21 0x55010c00 #define TMSARA_V2 0xe #define TMU_VER1 0x1 #define TMU_VER2 0x2 +#define TMU_VER93 0x3 #define REGS_TMR 0x000 /* Mode Register */ #define TMR_DISABLE 0x0 @@ -52,6 +54,7 @@ * Site Register */ #define TRITSR_V BIT(31) +#define TRITSR_TP5 BIT(9) #define REGS_V2_TMSAR(n) (0x304 + 16 * (n)) /* TMU monitoring * site adjustment register */ @@ -114,10 +117,16 @@ static int tmu_get_temp(struct thermal_zone_device *tz, int *temp) 10 * USEC_PER_MSEC)) return -ENODATA; - if (qdata->ver == TMU_VER1) + if (qdata->ver == TMU_VER1) { *temp = (val & GENMASK(7, 0)) * MILLIDEGREE_PER_DEGREE; - else + } else if (qdata->ver == TMU_VER93) { + if (val & TRITSR_TP5) + *temp = milli_kelvin_to_millicelsius((val & GENMASK(8, 0)) * MILLIDEGREE_PER_DEGREE + 500); + else + *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); + } else { *temp = kelvin_to_millicelsius(val & GENMASK(8, 0)); + } return 0; } @@ -207,6 +216,33 @@ static int qoriq_tmu_calibration(struct device *dev, return 0; } +static int imx93_tmu_calibration(struct device *dev, + struct qoriq_tmu_data *data) +{ + const u32 *calibration = NULL; + u32 cal_pt = 0; + u32 val = 0; + unsigned int len = 0; + unsigned int i = 0; + + calibration = of_get_property(dev->of_node, "fsl,tmu-calibration", &len); + if (calibration == NULL || len / 8 > 16 || len % 8) { + dev_err(dev, "invalid tmu calibration\n"); + return -ENODEV; + } + + for (i = 0; i < len; i += 0x8, calibration += 2) { + cal_pt = i / 8; + regmap_write(data->regmap, REGS_TTCFGR, cal_pt); + val = of_read_number(calibration, 1); + regmap_write(data->regmap, REGS_TSCFGR, val); + val = of_read_number(calibration + 1, 1); + regmap_write(data->regmap, REGS_TTRnCR(cal_pt), val); + } + + return 0; +} + static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) { int i; @@ -218,6 +254,11 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) if (data->ver == TMU_VER1) { regmap_write(data->regmap, REGS_TMTMIR, TMTMIR_DEFAULT); + } else if (data->ver == TMU_VER93) { + regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT); + regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V21); + for (i = 0; i < SITES_MAX; i++) + regmap_write(data->regmap, REGS_V2_TMSAR(i), TMSARA_V2); } else { regmap_write(data->regmap, REGS_V2_TMTMIR, TMTMIR_DEFAULT); regmap_write(data->regmap, REGS_V2_TEUMR(0), TEUMR0_V2); @@ -231,7 +272,7 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data) static const struct regmap_range qoriq_yes_ranges[] = { regmap_reg_range(REGS_TMR, REGS_TSCFGR), - regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(3)), + regmap_reg_range(REGS_TTRnCR(0), REGS_TTRnCR(15)), regmap_reg_range(REGS_V2_TEUMR(0), REGS_V2_TEUMR(2)), regmap_reg_range(REGS_V2_TMSAR(0), REGS_V2_TMSAR(15)), regmap_reg_range(REGS_IPBRR(0), REGS_IPBRR(1)), @@ -319,9 +360,15 @@ static int qoriq_tmu_probe(struct platform_device *pdev) } data->ver = (ver >> 8) & 0xff; + if (of_find_compatible_node(NULL, NULL, "fsl,imx93-tmu")) + data->ver = TMU_VER93; + qoriq_tmu_init_device(data); /* TMU initialization */ - ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ + if (data->ver == TMU_VER93) + ret = imx93_tmu_calibration(dev, data); + else + ret = qoriq_tmu_calibration(dev, data); /* TMU calibration */ if (ret < 0) return ret; @@ -369,6 +416,7 @@ static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops, static const struct of_device_id qoriq_tmu_match[] = { { .compatible = "fsl,qoriq-tmu", }, { .compatible = "fsl,imx8mq-tmu", }, + { .compatible = "fsl,imx93-tmu", }, {}, }; MODULE_DEVICE_TABLE(of, qoriq_tmu_match);