From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Claudiu.Beznea@microchip.com
Cc: robh+dt@kernel.org, lee.jones@linaro.org, mark.rutland@arm.com,
Nicolas.Ferre@microchip.com, Ludovic.Desroches@microchip.com,
radu_nicolae.pirea@upb.ro, richard.genoud@gmail.com,
a.zummo@towertech.it, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
linux-rtc@vger.kernel.org
Subject: Re: [PATCH v3 4/7] dt-bindings: atmel-usart: remove wildcard
Date: Tue, 14 Jan 2020 16:03:53 +0100 [thread overview]
Message-ID: <20200114150353.GP3137@piout.net> (raw)
In-Reply-To: <a7f9f8c6-7636-6c1d-ecd8-39e5a956b85a@microchip.com>
On 14/01/2020 14:58:23+0000, Claudiu.Beznea@microchip.com wrote:
> > Then, what is the point of adding microchip,sam9x60-dbgu ?
>
> Different meaning for CIDR register bits. Version is kept on bits 4 to 0
> but not documented in public datasheet, so version displayed by
> drivers/soc/atmel/soc.c should work.
But at91_get_cidr_exid_from_dbgu will not find the node unless you use
two fallbacks.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2020-01-14 15:03 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-14 10:23 [PATCH v3 0/7] add device tree for SAM9X60 SoC and SAM9X60-EK board Claudiu Beznea
2020-01-14 10:23 ` [PATCH v3 1/7] dt-bindings: atmel-tcb: remove wildcard Claudiu Beznea
[not found] ` <1578997397-23165-2-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-01-14 23:26 ` Rob Herring
2020-01-15 10:29 ` Alexandre Belloni
2020-01-16 13:30 ` Lee Jones
2020-01-14 10:23 ` [PATCH v3 2/7] dt-bindings: atmel-tcb: add microchip,sam9x60-tcb Claudiu Beznea
[not found] ` <1578997397-23165-3-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-01-14 23:26 ` Rob Herring
2020-01-15 10:29 ` Alexandre Belloni
2020-01-16 13:30 ` Lee Jones
[not found] ` <1578997397-23165-1-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-01-14 10:23 ` [PATCH v3 3/7] dt-bindings: atmel,at91rm9200-rtc: add microchip,sam9x60-rtc Claudiu Beznea
2020-01-14 10:23 ` [PATCH v3 5/7] dt-bindings: atmel-usart: add microchip,sam9x60-{usart, dbgu} Claudiu Beznea
2020-01-16 13:32 ` Lee Jones
2020-01-14 10:23 ` [PATCH v3 6/7] ARM: at91/defconfig: enable MMC_SDHCI_OF_AT91 and MICROCHIP_PIT64B Claudiu Beznea
2020-01-14 10:23 ` [PATCH v3 4/7] dt-bindings: atmel-usart: remove wildcard Claudiu Beznea
[not found] ` <1578997397-23165-5-git-send-email-claudiu.beznea-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-01-14 10:42 ` Alexandre Belloni
[not found] ` <20200114104237.GM3137-m++hUPXGwpdeoWH0uzbU5w@public.gmane.org>
2020-01-14 11:10 ` Claudiu.Beznea-UWL1GkI3JZL3oGB3hsPCZA
[not found] ` <f3c4d460-cff6-2e14-428a-a732a6bffe38-UWL1GkI3JZL3oGB3hsPCZA@public.gmane.org>
2020-01-14 11:17 ` Alexandre Belloni
[not found] ` <20200114111704.GN3137-m++hUPXGwpdeoWH0uzbU5w@public.gmane.org>
2020-01-14 14:58 ` Claudiu.Beznea-UWL1GkI3JZL3oGB3hsPCZA
2020-01-14 15:03 ` Alexandre Belloni [this message]
2020-01-14 10:23 ` [PATCH v3 7/7] ARM: dts: at91: sam9x60: add device tree for soc and board Claudiu Beznea
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