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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: f.fainelli@gmail.com, linux-kernel@vger.kernel.org,
	linux-pwm@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	wahrenst@gmx.net, linux-input@vger.kernel.org,
	dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org,
	devel@driverdev.osuosl.org, p.zabel@pengutronix.de,
	linux-gpio@vger.kernel.org, linus.walleij@linaro.org,
	linux-clk@vger.kernel.org, sboyd@kernel.org,
	linux-rpi-kernel@lists.infradead.org, bgolaszewski@baylibre.com,
	andy.shevchenko@gmail.com
Subject: Re: [PATCH v8 11/11] pwm: Add Raspberry Pi Firmware based PWM bus
Date: Mon, 15 Mar 2021 17:12:44 +0100	[thread overview]
Message-ID: <1255e56c66c8704c93adad77f605357267de0231.camel@suse.de> (raw)
In-Reply-To: <20210312201217.n2sav23swy7ii4uo@pengutronix.de>

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Hi Uwe,

On Fri, 2021-03-12 at 21:12 +0100, Uwe Kleine-König wrote:
> Hello Nicolas,
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + * Copyright 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> 
> 2021?

Yes.

> > + * For more information on Raspberry Pi's PoE hat see:
> > + * https://www.raspberrypi.org/products/poe-hat/
> 
> Out of personal interest: Is this hat also able to power a RPi CM4?

I haven't tested it, and can't at the moment (no PoE injector available). But
the physical pin layout, and routing in CM4's IO board fits the hat. So I'd say
yes.

> > + * Limitations:
> > + *  - No disable bit, so a disabled PWM is simulated by duty_cycle 0
> > + *  - Only normal polarity
> > + *  - Fixed 12.5 kHz period
> > + *
> > + * The current period is completed when HW is reconfigured.
> > + */
> 
> Other than that as mentioned in the previous round: This looks good,
> 
> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Thanks!

> What is your thought about how to get this series merged?
> At least input, staging, armsoc, clk, reset anf firmware are touched. Do you
> prepare a branch for merging in the relevant trees (once you have all the
> necessary Acks)?

As per Linusw suggestion I'll send a pull request myself into the SoC tree and
hope for the best. :)

Regards,
Nicolas


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  reply	other threads:[~2021-03-15 16:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-12 12:24 [PATCH v8 00/11] Raspberry Pi PoE HAT fan support Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 01/11] firmware: raspberrypi: Keep count of all consumers Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get() Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 03/11] clk: bcm: rpi: Release firmware handle on unbind Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 04/11] gpio: raspberrypi-exp: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 05/11] reset: raspberrypi: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 06/11] soc: bcm: raspberrypi-power: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 07/11] staging: vchiq: " Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 08/11] input: raspberrypi-ts: Release firmware handle when not needed Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 09/11] dt-bindings: pwm: Add binding for RPi firmware PWM bus Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 11/11] pwm: Add Raspberry Pi Firmware based PWM bus Nicolas Saenz Julienne
2021-03-12 20:12   ` Uwe Kleine-König
2021-03-15 16:12     ` Nicolas Saenz Julienne [this message]
2021-03-22 11:56   ` Thierry Reding

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