| Message ID | 20210913174955.32330-2-shruthi.sanil@intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add the driver for Intel Keem Bay SoC timer block | expand |
On Mon, Sep 13, 2021 at 11:19:54PM +0530, shruthi.sanil@intel.com wrote: > From: Shruthi Sanil <shruthi.sanil@intel.com> > > Add Device Tree bindings for the Timer IP, which can be used as > clocksource and clockevent device in the Intel Keem Bay SoC. > > Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> > Signed-off-by: Shruthi Sanil <shruthi.sanil@intel.com> > --- > .../bindings/timer/intel,keembay-timer.yaml | 172 ++++++++++++++++++ > 1 file changed, 172 insertions(+) > create mode 100644 Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml > > diff --git a/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml b/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml > new file mode 100644 > index 000000000000..80e7785845ac > --- /dev/null > +++ b/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml > @@ -0,0 +1,172 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/timer/intel,keembay-timer.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Intel Keem Bay SoC Timers > + > +maintainers: > + - Shruthi Sanil <shruthi.sanil@intel.com> > + > +description: | > + The Intel Keem Bay timer driver supports 1 free running counter and 8 timers. > + Each timer is capable of generating inividual interrupt. > + Both the features are enabled through the timer general config register. > + > + The parent node represents the common general configuration details and > + the child nodes represents the counter and timers. > + > +properties: > + compatible: > + enum: > + - simple-mfd Removing is not the right solution. What you need is: items: - const: intel,keembay-gpt-creg - const: simple-mfd > + > + reg: > + description: General configuration register address and length. > + maxItems: 1 > + > + ranges: true > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 1 > + > +required: > + - compatible > + - reg > + - ranges > + - "#address-cells" > + - "#size-cells" > + > +patternProperties: > + "^counter@[0-9a-f]+$": > + type: object > + description: Properties for Intel Keem Bay counter > + > + properties: > + compatible: > + enum: > + - intel,keembay-counter > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + required: > + - compatible > + - reg > + - clocks > + > + "^timer@[0-9a-f]+$": > + type: object > + description: Properties for Intel Keem Bay timer > + > + properties: > + compatible: > + enum: > + - intel,keembay-timer > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + required: > + - compatible > + - reg > + - interrupts > + - clocks > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + #define KEEM_BAY_A53_TIM > + > + soc { > + #address-cells = <0x2>; > + #size-cells = <0x2>; > + > + gpt@20331000 { > + compatible = "simple-mfd"; > + reg = <0x0 0x20331000 0x0 0xc>; > + ranges = <0x0 0x0 0x20330000 0xF0>; > + #address-cells = <0x1>; > + #size-cells = <0x1>; > + > + counter@e8 { > + compatible = "intel,keembay-counter"; > + reg = <0xe8 0x8>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@10 { > + compatible = "intel,keembay-timer"; > + reg = <0x10 0xc>; > + interrupts = <GIC_SPI 0x3 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@20 { > + compatible = "intel,keembay-timer"; > + reg = <0x20 0xc>; > + interrupts = <GIC_SPI 0x4 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@30 { > + compatible = "intel,keembay-timer"; > + reg = <0x30 0xc>; > + interrupts = <GIC_SPI 0x5 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@40 { > + compatible = "intel,keembay-timer"; > + reg = <0x40 0xc>; > + interrupts = <GIC_SPI 0x6 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@50 { > + compatible = "intel,keembay-timer"; > + reg = <0x50 0xc>; > + interrupts = <GIC_SPI 0x7 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@60 { > + compatible = "intel,keembay-timer"; > + reg = <0x60 0xc>; > + interrupts = <GIC_SPI 0x8 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@70 { > + compatible = "intel,keembay-timer"; > + reg = <0x70 0xc>; > + interrupts = <GIC_SPI 0x9 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + > + timer@80 { > + compatible = "intel,keembay-timer"; > + reg = <0x80 0xc>; > + interrupts = <GIC_SPI 0xa IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > + }; > + }; > + }; > + > +... > -- > 2.17.1 > >
> -----Original Message----- > From: Rob Herring <robh@kernel.org> > Sent: Friday, September 17, 2021 1:30 AM > To: Sanil, Shruthi <shruthi.sanil@intel.com> > Cc: daniel.lezcano@linaro.org; tglx@linutronix.de; linux- > kernel@vger.kernel.org; devicetree@vger.kernel.org; > andriy.shevchenko@linux.intel.com; kris.pan@linux.intel.com; > mgross@linux.intel.com; Thokala, Srikanth <srikanth.thokala@intel.com>; > Raja Subramanian, Lakshmi Bai <lakshmi.bai.raja.subramanian@intel.com>; > Sangannavar, Mallikarjunappa <mallikarjunappa.sangannavar@intel.com> > Subject: Re: [PATCH v7 1/2] dt-bindings: timer: Add bindings for Intel Keem > Bay SoC Timer > > On Mon, Sep 13, 2021 at 11:19:54PM +0530, shruthi.sanil@intel.com wrote: > > From: Shruthi Sanil <shruthi.sanil@intel.com> > > > > Add Device Tree bindings for the Timer IP, which can be used as > > clocksource and clockevent device in the Intel Keem Bay SoC. > > > > Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> > > Signed-off-by: Shruthi Sanil <shruthi.sanil@intel.com> > > --- > > .../bindings/timer/intel,keembay-timer.yaml | 172 ++++++++++++++++++ > > 1 file changed, 172 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml > > > > diff --git > > a/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml > > b/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml > > new file mode 100644 > > index 000000000000..80e7785845ac > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/timer/intel,keembay- > timer.yaml > > @@ -0,0 +1,172 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/timer/intel,keembay-timer.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Intel Keem Bay SoC Timers > > + > > +maintainers: > > + - Shruthi Sanil <shruthi.sanil@intel.com> > > + > > +description: | > > + The Intel Keem Bay timer driver supports 1 free running counter and 8 > timers. > > + Each timer is capable of generating inividual interrupt. > > + Both the features are enabled through the timer general config register. > > + > > + The parent node represents the common general configuration details > > + and the child nodes represents the counter and timers. > > + > > +properties: > > + compatible: > > + enum: > > + - simple-mfd > > Removing is not the right solution. What you need is: > > items: > - const: intel,keembay-gpt-creg > - const: simple-mfd > Thank You Rob! I'll update accordingly and submit the patch. > > + > > + reg: > > + description: General configuration register address and length. > > + maxItems: 1 > > + > > + ranges: true > > + > > + "#address-cells": > > + const: 1 > > + > > + "#size-cells": > > + const: 1 > > + > > +required: > > + - compatible > > + - reg > > + - ranges > > + - "#address-cells" > > + - "#size-cells" > > + > > +patternProperties: > > + "^counter@[0-9a-f]+$": > > + type: object > > + description: Properties for Intel Keem Bay counter > > + > > + properties: > > + compatible: > > + enum: > > + - intel,keembay-counter > > + > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + required: > > + - compatible > > + - reg > > + - clocks > > + > > + "^timer@[0-9a-f]+$": > > + type: object > > + description: Properties for Intel Keem Bay timer > > + > > + properties: > > + compatible: > > + enum: > > + - intel,keembay-timer > > + > > + reg: > > + maxItems: 1 > > + > > + interrupts: > > + maxItems: 1 > > + > > + clocks: > > + maxItems: 1 > > + > > + required: > > + - compatible > > + - reg > > + - interrupts > > + - clocks > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + #include <dt-bindings/interrupt-controller/arm-gic.h> > > + #include <dt-bindings/interrupt-controller/irq.h> > > + #define KEEM_BAY_A53_TIM > > + > > + soc { > > + #address-cells = <0x2>; > > + #size-cells = <0x2>; > > + > > + gpt@20331000 { > > + compatible = "simple-mfd"; > > + reg = <0x0 0x20331000 0x0 0xc>; > > + ranges = <0x0 0x0 0x20330000 0xF0>; > > + #address-cells = <0x1>; > > + #size-cells = <0x1>; > > + > > + counter@e8 { > > + compatible = "intel,keembay-counter"; > > + reg = <0xe8 0x8>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@10 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x10 0xc>; > > + interrupts = <GIC_SPI 0x3 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@20 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x20 0xc>; > > + interrupts = <GIC_SPI 0x4 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@30 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x30 0xc>; > > + interrupts = <GIC_SPI 0x5 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@40 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x40 0xc>; > > + interrupts = <GIC_SPI 0x6 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@50 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x50 0xc>; > > + interrupts = <GIC_SPI 0x7 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@60 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x60 0xc>; > > + interrupts = <GIC_SPI 0x8 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@70 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x70 0xc>; > > + interrupts = <GIC_SPI 0x9 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + > > + timer@80 { > > + compatible = "intel,keembay-timer"; > > + reg = <0x80 0xc>; > > + interrupts = <GIC_SPI 0xa IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; > > + }; > > + }; > > + }; > > + > > +... > > -- > > 2.17.1 > > > >
diff --git a/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml b/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml new file mode 100644 index 000000000000..80e7785845ac --- /dev/null +++ b/Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml @@ -0,0 +1,172 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/intel,keembay-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel Keem Bay SoC Timers + +maintainers: + - Shruthi Sanil <shruthi.sanil@intel.com> + +description: | + The Intel Keem Bay timer driver supports 1 free running counter and 8 timers. + Each timer is capable of generating inividual interrupt. + Both the features are enabled through the timer general config register. + + The parent node represents the common general configuration details and + the child nodes represents the counter and timers. + +properties: + compatible: + enum: + - simple-mfd + + reg: + description: General configuration register address and length. + maxItems: 1 + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +required: + - compatible + - reg + - ranges + - "#address-cells" + - "#size-cells" + +patternProperties: + "^counter@[0-9a-f]+$": + type: object + description: Properties for Intel Keem Bay counter + + properties: + compatible: + enum: + - intel,keembay-counter + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + required: + - compatible + - reg + - clocks + + "^timer@[0-9a-f]+$": + type: object + description: Properties for Intel Keem Bay timer + + properties: + compatible: + enum: + - intel,keembay-timer + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #define KEEM_BAY_A53_TIM + + soc { + #address-cells = <0x2>; + #size-cells = <0x2>; + + gpt@20331000 { + compatible = "simple-mfd"; + reg = <0x0 0x20331000 0x0 0xc>; + ranges = <0x0 0x0 0x20330000 0xF0>; + #address-cells = <0x1>; + #size-cells = <0x1>; + + counter@e8 { + compatible = "intel,keembay-counter"; + reg = <0xe8 0x8>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@10 { + compatible = "intel,keembay-timer"; + reg = <0x10 0xc>; + interrupts = <GIC_SPI 0x3 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@20 { + compatible = "intel,keembay-timer"; + reg = <0x20 0xc>; + interrupts = <GIC_SPI 0x4 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@30 { + compatible = "intel,keembay-timer"; + reg = <0x30 0xc>; + interrupts = <GIC_SPI 0x5 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@40 { + compatible = "intel,keembay-timer"; + reg = <0x40 0xc>; + interrupts = <GIC_SPI 0x6 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@50 { + compatible = "intel,keembay-timer"; + reg = <0x50 0xc>; + interrupts = <GIC_SPI 0x7 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@60 { + compatible = "intel,keembay-timer"; + reg = <0x60 0xc>; + interrupts = <GIC_SPI 0x8 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@70 { + compatible = "intel,keembay-timer"; + reg = <0x70 0xc>; + interrupts = <GIC_SPI 0x9 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + + timer@80 { + compatible = "intel,keembay-timer"; + reg = <0x80 0xc>; + interrupts = <GIC_SPI 0xa IRQ_TYPE_LEVEL_HIGH>; + clocks = <&scmi_clk KEEM_BAY_A53_TIM>; + }; + }; + }; + +...