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Message-ID: <BN9PR11MB55459A4EA8D0599DCB753173F11F9@BN9PR11MB5545.namprd11.prod.outlook.com>
Date: Wed, 30 Mar 2022 05:04:01 +0000
From: "Sanil, Shruthi" <shruthi.sanil@...el.com>
To: "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
"tglx@...utronix.de" <tglx@...utronix.de>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
CC: "andriy.shevchenko@...ux.intel.com"
<andriy.shevchenko@...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 v10 0/2] Add the driver for Intel Keem Bay SoC timer block
Gentle Reminder!
Regards,
Shruthi
> -----Original Message-----
> From: Sanil, Shruthi <shruthi.sanil@...el.com>
> Sent: Tuesday, March 22, 2022 6:30 PM
> To: daniel.lezcano@...aro.org; tglx@...utronix.de; robh+dt@...nel.org;
> linux-kernel@...r.kernel.org; devicetree@...r.kernel.org
> Cc: andriy.shevchenko@...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>; Sanil, Shruthi
> <shruthi.sanil@...el.com>
> Subject: [PATCH v10 0/2] Add the driver for Intel Keem Bay SoC timer block
>
> From: Shruthi Sanil <shruthi.sanil@...el.com>
>
> The timer block supports 1 64-bit free running counter and 8 32-bit general
> purpose timers.
>
> Patch 1 holds the device tree binding documentation.
> Patch 2 holds the device driver.
>
> This driver is tested on the Keem Bay evaluation module board.
>
> Changes since v9:
> - Updated the error message with the macro FW_BUG wherever applicable.
>
> Changes since v8:
> - The clockevent stucture has been declared as a global static variable,
> rather than allocating memory using kzalloc during probing.
> - Updated the print statement indicating the configuration missing as the FW
> Bug.
> - Updated the comments in the function keembay_timer_isr().
> - Updated the dt-binding to remove 'oneOf' as there is only 1 entry.
> - Updated the dt-binding description clearly indicating that
> the descrption is about the undelying HW.
>
> Changes since v7:
> - Added back the compatible string "intel,keembay-gpt-creg"
> as an enum to the mfd device node in the device tree bindings.
> - As the timer is used as a broadcast timer during CPU idle,
> only one timer is needed. Hence updated the driver accordingly
> incorporating the review comments.
>
> Changes since v6:
> - Removed the unused compatible string from the mfd device node
> to fix the error thrown by the make dt-binding command.
>
> Changes since v5:
> - Created a MFD device for the common configuration register
> in the device tree bindings.
> - Updated the timer driver with the MFD framework to access the
> common configuration register.
>
> Changes since v4:
> - Updated the description in the device tree bindings.
> - Updated the unit address of all the timers and counter
> in the device tree binding.
>
> Changes since v3:
> - Update in KConfig file to support COMPILE_TEST for Keem Bay timer.
> - Update in device tree bindings to remove status field.
> - Update in device tree bindings to remove 64-bit address space for
> the child nodes by using non-empty ranges.
>
> Changes since v2:
> - Add multi timer support.
> - Update in the device tree binding to support multi timers.
> - Code optimization.
>
> Changes since v1:
> - Add support for KEEMBAY_TIMER to get selected through
> Kconfig.platforms.
> - Add CLOCK_EVT_FEAT_DYNIRQ as part of clockevent feature.
> - Avoid overlapping reg regions across 2 device nodes.
> - Simplify 2 device nodes as 1 because both are from same IP block.
> - Adapt the driver code according to the new simplified devicetree.
>
> Shruthi Sanil (2):
> dt-bindings: timer: Add bindings for Intel Keem Bay SoC Timer
> clocksource: Add Intel Keem Bay timer support
>
> .../bindings/timer/intel,keembay-timer.yaml | 125 ++++++++++
> MAINTAINERS | 6 +
> drivers/clocksource/Kconfig | 11 +
> drivers/clocksource/Makefile | 1 +
> drivers/clocksource/timer-keembay.c | 226 ++++++++++++++++++
> 5 files changed, 369 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/timer/intel,keembay-timer.yaml
> create mode 100644 drivers/clocksource/timer-keembay.c
>
>
> base-commit: ffb217a13a2eaf6d5bd974fc83036a53ca69f1e2
> --
> 2.17.1
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