| Message ID | 87wpsctxjv.wl%kuninori.morimoto.gx@renesas.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Eduardo Valentin |
| Headers | show |
On Fri, Dec 18, 2015 at 12:25:51AM +0000, Kuninori Morimoto wrote: > > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > > This patch enables to use thermal-zone on DT if it was calles as > "renesas,rcar-thermal-gen2". > Previous style (= non thermal-zone) is still supported by > "renesas,rcar-thermal" to keep compatibility for "git bisect". > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > --- > v5 -> v6 > > - "was call" -> "was called" Except there is a typo... > - add reason why it keeps previous style > > .../devicetree/bindings/thermal/rcar-thermal.txt | 37 +++++++++++++++++- > drivers/thermal/rcar_thermal.c | 45 +++++++++++++++++++--- > 2 files changed, 75 insertions(+), 7 deletions(-) > > diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt > index 332e625..e5ee3f1 100644 > --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt > +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt > @@ -1,8 +1,9 @@ > * Renesas R-Car Thermal > > Required properties: > -- compatible : "renesas,thermal-<soctype>", "renesas,rcar-thermal" > - as fallback. > +- compatible : "renesas,thermal-<soctype>", > + "renesas,rcar-gen2-thermal" (with thermal-zone) or > + "renesas,rcar-thermal" (without thermal-zone) as fallback. > Examples with soctypes are: > - "renesas,thermal-r8a73a4" (R-Mobile APE6) > - "renesas,thermal-r8a7779" (R-Car H1) > +thermal: thermal@e61f0000 { > + compatible = "renesas,thermal-r8a7790", > + "renesas,rcar-gen2-thermal", > + "renesas,rcar-thermal"; Isn't having both mutually exclusive? Rob -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi > > +thermal: thermal@e61f0000 { > > + compatible = "renesas,thermal-r8a7790", > > + "renesas,rcar-gen2-thermal", > > + "renesas,rcar-thermal"; > > Isn't having both mutually exclusive? "rcar-thermal" is very basic version of "rcar-gen2", and "rcar-gen2" is common/basic version of "thermal-r8xxx" -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi ping ? > From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > > This patch enables to use thermal-zone on DT if it was calles as > "renesas,rcar-thermal-gen2". > Previous style (= non thermal-zone) is still supported by > "renesas,rcar-thermal" to keep compatibility for "git bisect". > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > --- > v5 -> v6 > > - "was call" -> "was called" > - add reason why it keeps previous style > > .../devicetree/bindings/thermal/rcar-thermal.txt | 37 +++++++++++++++++- > drivers/thermal/rcar_thermal.c | 45 +++++++++++++++++++--- > 2 files changed, 75 insertions(+), 7 deletions(-) > > diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt > index 332e625..e5ee3f1 100644 > --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt > +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt > @@ -1,8 +1,9 @@ > * Renesas R-Car Thermal > > Required properties: > -- compatible : "renesas,thermal-<soctype>", "renesas,rcar-thermal" > - as fallback. > +- compatible : "renesas,thermal-<soctype>", > + "renesas,rcar-gen2-thermal" (with thermal-zone) or > + "renesas,rcar-thermal" (without thermal-zone) as fallback. > Examples with soctypes are: > - "renesas,thermal-r8a73a4" (R-Mobile APE6) > - "renesas,thermal-r8a7779" (R-Car H1) > @@ -36,3 +37,35 @@ thermal@e61f0000 { > 0xe61f0300 0x38>; > interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; > }; > + > +Example (with thermal-zone): > + > +thermal-zones { > + cpu_thermal: cpu-thermal { > + polling-delay-passive = <1000>; > + polling-delay = <5000>; > + > + thermal-sensors = <&thermal>; > + > + trips { > + cpu-crit { > + temperature = <115000>; > + hysteresis = <0>; > + type = "critical"; > + }; > + }; > + cooling-maps { > + }; > + }; > +}; > + > +thermal: thermal@e61f0000 { > + compatible = "renesas,thermal-r8a7790", > + "renesas,rcar-gen2-thermal", > + "renesas,rcar-thermal"; > + reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>; > + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&mstp5_clks R8A7790_CLK_THERMAL>; > + power-domains = <&cpg_clocks>; > + #thermal-sensor-cells = <0>; > +}; > diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c > index 30602f2..e92f29b 100644 > --- a/drivers/thermal/rcar_thermal.c > +++ b/drivers/thermal/rcar_thermal.c > @@ -23,6 +23,7 @@ > #include <linux/interrupt.h> > #include <linux/io.h> > #include <linux/module.h> > +#include <linux/of_device.h> > #include <linux/platform_device.h> > #include <linux/pm_runtime.h> > #include <linux/reboot.h> > @@ -75,8 +76,10 @@ struct rcar_thermal_priv { > #define rcar_has_irq_support(priv) ((priv)->common->base) > #define rcar_id_to_shift(priv) ((priv)->id * 8) > > +#define USE_OF_THERMAL 1 > static const struct of_device_id rcar_thermal_dt_ids[] = { > { .compatible = "renesas,rcar-thermal", }, > + { .compatible = "renesas,rcar-gen2-thermal", .data = (void *)USE_OF_THERMAL }, > {}, > }; > MODULE_DEVICE_TABLE(of, rcar_thermal_dt_ids); > @@ -200,9 +203,9 @@ err_out_unlock: > return ret; > } > > -static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) > +static int rcar_thermal_get_current_temp(struct rcar_thermal_priv *priv, > + int *temp) > { > - struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone); > int tmp; > int ret; > > @@ -226,6 +229,20 @@ static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) > return 0; > } > > +static int rcar_thermal_of_get_temp(void *data, int *temp) > +{ > + struct rcar_thermal_priv *priv = data; > + > + return rcar_thermal_get_current_temp(priv, temp); > +} > + > +static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) > +{ > + struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone); > + > + return rcar_thermal_get_current_temp(priv, temp); > +} > + > static int rcar_thermal_get_trip_type(struct thermal_zone_device *zone, > int trip, enum thermal_trip_type *type) > { > @@ -282,6 +299,10 @@ static int rcar_thermal_notify(struct thermal_zone_device *zone, > return 0; > } > > +static const struct thermal_zone_of_device_ops rcar_thermal_zone_of_ops = { > + .get_temp = rcar_thermal_of_get_temp, > +}; > + > static struct thermal_zone_device_ops rcar_thermal_zone_ops = { > .get_temp = rcar_thermal_get_temp, > .get_trip_type = rcar_thermal_get_trip_type, > @@ -318,14 +339,20 @@ static void rcar_thermal_work(struct work_struct *work) > > priv = container_of(work, struct rcar_thermal_priv, work.work); > > - rcar_thermal_get_temp(priv->zone, &cctemp); > + ret = rcar_thermal_get_current_temp(priv, &cctemp); > + if (ret < 0) > + return; > + > ret = rcar_thermal_update_temp(priv); > if (ret < 0) > return; > > rcar_thermal_irq_enable(priv); > > - rcar_thermal_get_temp(priv->zone, &nctemp); > + ret = rcar_thermal_get_current_temp(priv, &nctemp); > + if (ret < 0) > + return; > + > if (nctemp != cctemp) > thermal_zone_device_update(priv->zone); > } > @@ -386,6 +413,8 @@ static int rcar_thermal_probe(struct platform_device *pdev) > struct rcar_thermal_priv *priv; > struct device *dev = &pdev->dev; > struct resource *res, *irq; > + const struct of_device_id *of_id = of_match_device(rcar_thermal_dt_ids, dev); > + unsigned long of_data = (unsigned long)of_id->data; > int mres = 0; > int i; > int ret = -ENODEV; > @@ -444,7 +473,13 @@ static int rcar_thermal_probe(struct platform_device *pdev) > if (ret < 0) > goto error_unregister; > > - priv->zone = thermal_zone_device_register("rcar_thermal", > + if (of_data == USE_OF_THERMAL) > + priv->zone = thermal_zone_of_sensor_register( > + dev, i, priv, > + &rcar_thermal_zone_of_ops); > + else > + priv->zone = thermal_zone_device_register( > + "rcar_thermal", > 1, 0, priv, > &rcar_thermal_zone_ops, NULL, 0, > idle); > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-sh" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt index 332e625..e5ee3f1 100644 --- a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt @@ -1,8 +1,9 @@ * Renesas R-Car Thermal Required properties: -- compatible : "renesas,thermal-<soctype>", "renesas,rcar-thermal" - as fallback. +- compatible : "renesas,thermal-<soctype>", + "renesas,rcar-gen2-thermal" (with thermal-zone) or + "renesas,rcar-thermal" (without thermal-zone) as fallback. Examples with soctypes are: - "renesas,thermal-r8a73a4" (R-Mobile APE6) - "renesas,thermal-r8a7779" (R-Car H1) @@ -36,3 +37,35 @@ thermal@e61f0000 { 0xe61f0300 0x38>; interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; }; + +Example (with thermal-zone): + +thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + + thermal-sensors = <&thermal>; + + trips { + cpu-crit { + temperature = <115000>; + hysteresis = <0>; + type = "critical"; + }; + }; + cooling-maps { + }; + }; +}; + +thermal: thermal@e61f0000 { + compatible = "renesas,thermal-r8a7790", + "renesas,rcar-gen2-thermal", + "renesas,rcar-thermal"; + reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>; + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp5_clks R8A7790_CLK_THERMAL>; + power-domains = <&cpg_clocks>; + #thermal-sensor-cells = <0>; +}; diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 30602f2..e92f29b 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/reboot.h> @@ -75,8 +76,10 @@ struct rcar_thermal_priv { #define rcar_has_irq_support(priv) ((priv)->common->base) #define rcar_id_to_shift(priv) ((priv)->id * 8) +#define USE_OF_THERMAL 1 static const struct of_device_id rcar_thermal_dt_ids[] = { { .compatible = "renesas,rcar-thermal", }, + { .compatible = "renesas,rcar-gen2-thermal", .data = (void *)USE_OF_THERMAL }, {}, }; MODULE_DEVICE_TABLE(of, rcar_thermal_dt_ids); @@ -200,9 +203,9 @@ err_out_unlock: return ret; } -static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) +static int rcar_thermal_get_current_temp(struct rcar_thermal_priv *priv, + int *temp) { - struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone); int tmp; int ret; @@ -226,6 +229,20 @@ static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) return 0; } +static int rcar_thermal_of_get_temp(void *data, int *temp) +{ + struct rcar_thermal_priv *priv = data; + + return rcar_thermal_get_current_temp(priv, temp); +} + +static int rcar_thermal_get_temp(struct thermal_zone_device *zone, int *temp) +{ + struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone); + + return rcar_thermal_get_current_temp(priv, temp); +} + static int rcar_thermal_get_trip_type(struct thermal_zone_device *zone, int trip, enum thermal_trip_type *type) { @@ -282,6 +299,10 @@ static int rcar_thermal_notify(struct thermal_zone_device *zone, return 0; } +static const struct thermal_zone_of_device_ops rcar_thermal_zone_of_ops = { + .get_temp = rcar_thermal_of_get_temp, +}; + static struct thermal_zone_device_ops rcar_thermal_zone_ops = { .get_temp = rcar_thermal_get_temp, .get_trip_type = rcar_thermal_get_trip_type, @@ -318,14 +339,20 @@ static void rcar_thermal_work(struct work_struct *work) priv = container_of(work, struct rcar_thermal_priv, work.work); - rcar_thermal_get_temp(priv->zone, &cctemp); + ret = rcar_thermal_get_current_temp(priv, &cctemp); + if (ret < 0) + return; + ret = rcar_thermal_update_temp(priv); if (ret < 0) return; rcar_thermal_irq_enable(priv); - rcar_thermal_get_temp(priv->zone, &nctemp); + ret = rcar_thermal_get_current_temp(priv, &nctemp); + if (ret < 0) + return; + if (nctemp != cctemp) thermal_zone_device_update(priv->zone); } @@ -386,6 +413,8 @@ static int rcar_thermal_probe(struct platform_device *pdev) struct rcar_thermal_priv *priv; struct device *dev = &pdev->dev; struct resource *res, *irq; + const struct of_device_id *of_id = of_match_device(rcar_thermal_dt_ids, dev); + unsigned long of_data = (unsigned long)of_id->data; int mres = 0; int i; int ret = -ENODEV; @@ -444,7 +473,13 @@ static int rcar_thermal_probe(struct platform_device *pdev) if (ret < 0) goto error_unregister; - priv->zone = thermal_zone_device_register("rcar_thermal", + if (of_data == USE_OF_THERMAL) + priv->zone = thermal_zone_of_sensor_register( + dev, i, priv, + &rcar_thermal_zone_of_ops); + else + priv->zone = thermal_zone_device_register( + "rcar_thermal", 1, 0, priv, &rcar_thermal_zone_ops, NULL, 0, idle);