| Message ID | 20220818220245.338396-1-robimarko@gmail.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [v7,1/5] dt-bindings: thermal: tsens: Add ipq8074 compatible | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success | |
| robh/patch-applied | success | |
| robh/dtbs-check | warning | build log |
| robh/dt-meta-schema | success |
On 19/08/2022 00:02, Robert Marko wrote: > Despite using tsens v2.3 IP, IPQ8074 and IPQ6018 only have one IRQ for > signaling both up/low and critical trips. > > Signed-off-by: Robert Marko <robimarko@gmail.com> I'll pick the patches 1-4 as soon as Bjorn gives its blessing for this one
On Fri, 19 Aug 2022 at 00:49, Daniel Lezcano <daniel.lezcano@linaro.org> wrote: > > On 19/08/2022 00:02, Robert Marko wrote: > > Despite using tsens v2.3 IP, IPQ8074 and IPQ6018 only have one IRQ for > > signaling both up/low and critical trips. > > > > Signed-off-by: Robert Marko <robimarko@gmail.com> > > I'll pick the patches 1-4 as soon as Bjorn gives its blessing for this one Sounds good to me, Bjorn can you please take a look? Regards, Robert > > > -- > <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs > > Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | > <http://twitter.com/#!/linaroorg> Twitter | > <http://www.linaro.org/linaro-blog/> Blog
On Fri, 19 Aug 2022 at 00:49, Daniel Lezcano <daniel.lezcano@linaro.org> wrote: > > On 19/08/2022 00:02, Robert Marko wrote: > > Despite using tsens v2.3 IP, IPQ8074 and IPQ6018 only have one IRQ for > > signaling both up/low and critical trips. > > > > Signed-off-by: Robert Marko <robimarko@gmail.com> > > I'll pick the patches 1-4 as soon as Bjorn gives its blessing for this one Resending with Bjorns new email as Linaro one bounces. Sounds good to me, Bjorn can you please take a look? Regards, Robert > > > -- > <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs > > Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | > <http://twitter.com/#!/linaroorg> Twitter | > <http://www.linaro.org/linaro-blog/> Blog
On Fri, Aug 19, 2022 at 12:02:42AM +0200, Robert Marko wrote: > Despite using tsens v2.3 IP, IPQ8074 and IPQ6018 only have one IRQ for > signaling both up/low and critical trips. > > Signed-off-by: Robert Marko <robimarko@gmail.com> > --- > Changes in v7: > * Rebase to apply on next-20220818 > > Changes in v6: > * Check critical IRQ handler return, simplify up/low return > --- > drivers/thermal/qcom/tsens-8960.c | 1 + > drivers/thermal/qcom/tsens-v0_1.c | 1 + > drivers/thermal/qcom/tsens-v1.c | 1 + > drivers/thermal/qcom/tsens-v2.c | 1 + > drivers/thermal/qcom/tsens.c | 38 ++++++++++++++++++++++++++----- > drivers/thermal/qcom/tsens.h | 2 ++ > 6 files changed, 38 insertions(+), 6 deletions(-) > > diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c > index 67c1748cdf73..ee584e5b07e5 100644 > --- a/drivers/thermal/qcom/tsens-8960.c > +++ b/drivers/thermal/qcom/tsens-8960.c > @@ -269,6 +269,7 @@ static const struct tsens_ops ops_8960 = { > static struct tsens_features tsens_8960_feat = { > .ver_major = VER_0, > .crit_int = 0, > + .combo_int = 0, > .adc = 1, > .srot_split = 0, > .max_sensors = 11, > diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c > index f136cb350238..6effb822bf3c 100644 > --- a/drivers/thermal/qcom/tsens-v0_1.c > +++ b/drivers/thermal/qcom/tsens-v0_1.c > @@ -539,6 +539,7 @@ static int calibrate_9607(struct tsens_priv *priv) > static struct tsens_features tsens_v0_1_feat = { > .ver_major = VER_0_1, > .crit_int = 0, > + .combo_int = 0, > .adc = 1, > .srot_split = 1, > .max_sensors = 11, > diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c > index 573e261ccca7..a4f561a6e582 100644 > --- a/drivers/thermal/qcom/tsens-v1.c > +++ b/drivers/thermal/qcom/tsens-v1.c > @@ -302,6 +302,7 @@ static int calibrate_8976(struct tsens_priv *priv) > static struct tsens_features tsens_v1_feat = { > .ver_major = VER_1_X, > .crit_int = 0, > + .combo_int = 0, > .adc = 1, > .srot_split = 1, > .max_sensors = 11, > diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c > index b293ed32174b..129cdb247381 100644 > --- a/drivers/thermal/qcom/tsens-v2.c > +++ b/drivers/thermal/qcom/tsens-v2.c > @@ -31,6 +31,7 @@ > static struct tsens_features tsens_v2_feat = { > .ver_major = VER_2_X, > .crit_int = 1, > + .combo_int = 0, > .adc = 0, > .srot_split = 1, > .max_sensors = 16, > diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c > index b1b10005fb28..816769af8813 100644 > --- a/drivers/thermal/qcom/tsens.c > +++ b/drivers/thermal/qcom/tsens.c > @@ -532,6 +532,27 @@ static irqreturn_t tsens_irq_thread(int irq, void *data) > return IRQ_HANDLED; > } > > +/** > + * tsens_combined_irq_thread - Threaded interrupt handler for combined interrupts This should have () after the function name. Perhaps Daniel could add that as he picks the patch? Reviewed-by: Bjorn Andersson <andersson@kernel.org> Regards, Bjorn > + * @irq: irq number > + * @data: tsens controller private data > + * > + * Handle the combined interrupt as if it were 2 separate interrupts, so call the > + * critical handler first and then the up/low one. > + * > + * Return: IRQ_HANDLED > + */ > +static irqreturn_t tsens_combined_irq_thread(int irq, void *data) > +{ > + irqreturn_t ret; > + > + ret = tsens_critical_irq_thread(irq, data); > + if (ret != IRQ_HANDLED) > + return ret; > + > + return tsens_irq_thread(irq, data); > +} > + > static int tsens_set_trips(struct thermal_zone_device *tz, int low, int high) > { > struct tsens_sensor *s = tz->devdata; > @@ -1071,13 +1092,18 @@ static int tsens_register(struct tsens_priv *priv) > tsens_mC_to_hw(priv->sensor, 0)); > } > > - ret = tsens_register_irq(priv, "uplow", tsens_irq_thread); > - if (ret < 0) > - return ret; > + if (priv->feat->combo_int) { > + ret = tsens_register_irq(priv, "combined", > + tsens_combined_irq_thread); > + } else { > + ret = tsens_register_irq(priv, "uplow", tsens_irq_thread); > + if (ret < 0) > + return ret; > > - if (priv->feat->crit_int) > - ret = tsens_register_irq(priv, "critical", > - tsens_critical_irq_thread); > + if (priv->feat->crit_int) > + ret = tsens_register_irq(priv, "critical", > + tsens_critical_irq_thread); > + } > > return ret; > } > diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h > index ba05c8233356..1678c5e9e60b 100644 > --- a/drivers/thermal/qcom/tsens.h > +++ b/drivers/thermal/qcom/tsens.h > @@ -493,6 +493,7 @@ enum regfield_ids { > * struct tsens_features - Features supported by the IP > * @ver_major: Major number of IP version > * @crit_int: does the IP support critical interrupts? > + * @combo_int: does the IP use one IRQ for up, low and critical thresholds? > * @adc: do the sensors only output adc code (instead of temperature)? > * @srot_split: does the IP neatly splits the register space into SROT and TM, > * with SROT only being available to secure boot firmware? > @@ -502,6 +503,7 @@ enum regfield_ids { > struct tsens_features { > unsigned int ver_major; > unsigned int crit_int:1; > + unsigned int combo_int:1; > unsigned int adc:1; > unsigned int srot_split:1; > unsigned int has_watchdog:1; > -- > 2.37.2 >
On Fri, 19 Aug 2022 00:02:41 +0200, Robert Marko wrote: > Qualcomm IPQ8074 has tsens v2.3.0 block, though unlike existing v2 IP it > only uses one IRQ, so tsens v2 compatible cannot be used as the fallback. > > We also have to make sure that correct interrupts are set according to > compatibles, so populate interrupt information per compatibles. > > > [...] Applied, thanks! [5/5] arm64: dts: ipq8074: add thermal nodes commit: 887ac08946cc0f2a2b915140fcf8d4365ca9393d Best regards,
On 17/10/2022 21:01, Bjorn Andersson wrote: [ ... ] > > This should have () after the function name. Perhaps Daniel could add > that as he picks the patch? Applied and parenthesis added > Reviewed-by: Bjorn Andersson <andersson@kernel.org> > > Regards, > Bjorn [ ... ]
diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml index 038d81338fcf..fee2b6281417 100644 --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml @@ -59,6 +59,10 @@ properties: - qcom,sm8350-tsens - const: qcom,tsens-v2 + - description: v2 of TSENS with combined interrupt + enum: + - qcom,ipq8074-tsens + reg: items: - description: TM registers @@ -66,15 +70,11 @@ properties: interrupts: minItems: 1 - items: - - description: Combined interrupt if upper or lower threshold crossed - - description: Interrupt if critical threshold crossed + maxItems: 2 interrupt-names: minItems: 1 - items: - - const: uplow - - const: critical + maxItems: 2 nvmem-cells: minItems: 1 @@ -128,22 +128,61 @@ allOf: then: properties: interrupts: - maxItems: 1 + items: + - description: Combined interrupt if upper or lower threshold crossed interrupt-names: - maxItems: 1 + items: + - const: uplow - else: + - if: + properties: + compatible: + contains: + enum: + - qcom,msm8953-tsens + - qcom,msm8996-tsens + - qcom,msm8998-tsens + - qcom,sc7180-tsens + - qcom,sc7280-tsens + - qcom,sc8180x-tsens + - qcom,sdm630-tsens + - qcom,sdm845-tsens + - qcom,sm8150-tsens + - qcom,sm8250-tsens + - qcom,sm8350-tsens + - qcom,tsens-v2 + then: + properties: + interrupts: + items: + - description: Combined interrupt if upper or lower threshold crossed + - description: Interrupt if critical threshold crossed + interrupt-names: + items: + - const: uplow + - const: critical + + - if: + properties: + compatible: + contains: + enum: + - qcom,ipq8074-tsens + then: properties: interrupts: - minItems: 2 + items: + - description: Combined interrupt if upper, lower or critical thresholds crossed interrupt-names: - minItems: 2 + items: + - const: combined - if: properties: compatible: contains: enum: + - qcom,ipq8074-tsens - qcom,tsens-v0_1 - qcom,tsens-v1 - qcom,tsens-v2 @@ -226,4 +265,19 @@ examples: #qcom,sensors = <13>; #thermal-sensor-cells = <1>; }; + + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + // Example 4 (for any IPQ8074 based SoC-s): + tsens4: thermal-sensor@4a9000 { + compatible = "qcom,ipq8074-tsens"; + reg = <0x4a9000 0x1000>, + <0x4a8000 0x1000>; + + interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "combined"; + + #qcom,sensors = <16>; + #thermal-sensor-cells = <1>; + }; ...