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Date: Fri, 17 Sep 2021 04:44:13 +0000
From: "Sanil, Shruthi" <shruthi.sanil@...el.com>
To: Rob Herring <robh@...nel.org>
CC: "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
"tglx@...utronix.de" <tglx@...utronix.de>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"andriy.shevchenko@...ux.intel.com"
<andriy.shevchenko@...ux.intel.com>,
"kris.pan@...ux.intel.com" <kris.pan@...ux.intel.com>,
"mgross@...ux.intel.com" <mgross@...ux.intel.com>,
"Thokala, Srikanth" <srikanth.thokala@...el.com>,
"Raja Subramanian, Lakshmi Bai"
<lakshmi.bai.raja.subramanian@...el.com>,
"Sangannavar, Mallikarjunappa"
<mallikarjunappa.sangannavar@...el.com>
Subject: RE: [PATCH v7 1/2] dt-bindings: timer: Add bindings for Intel Keem
Bay SoC Timer
> -----Original Message-----
> From: Rob Herring <robh@...nel.org>
> Sent: Friday, September 17, 2021 1:30 AM
> To: Sanil, Shruthi <shruthi.sanil@...el.com>
> Cc: daniel.lezcano@...aro.org; tglx@...utronix.de; linux-
> kernel@...r.kernel.org; devicetree@...r.kernel.org;
> andriy.shevchenko@...ux.intel.com; kris.pan@...ux.intel.com;
> mgross@...ux.intel.com; Thokala, Srikanth <srikanth.thokala@...el.com>;
> Raja Subramanian, Lakshmi Bai <lakshmi.bai.raja.subramanian@...el.com>;
> Sangannavar, Mallikarjunappa <mallikarjunappa.sangannavar@...el.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@...el.com wrote:
> > From: Shruthi Sanil <shruthi.sanil@...el.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@...el.com>
> > Signed-off-by: Shruthi Sanil <shruthi.sanil@...el.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@...el.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@...31000 {
> > + 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
> >
> >
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