From: Marek Vasut <marex@denx.de>
To: Christophe Kerello <christophe.kerello@st.com>,
miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
tony@atomide.com
Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com
Subject: Re: [03/12] bus: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver
Date: Mon, 30 Mar 2020 11:30:44 +0200 [thread overview]
Message-ID: <94845952-ae8d-dab1-7bbe-21830d05480b@denx.de> (raw)
In-Reply-To: <93fce520-9269-123c-9523-173e75cdce2e@st.com>
On 3/30/20 11:19 AM, Christophe Kerello wrote:
>
>
> On 3/30/20 3:24 AM, Marek Vasut wrote:
>> On 3/23/20 3:58 PM, Christophe Kerello wrote:
>>> The driver adds the support for the STMicroelectronics FMC2 EBI
>>> controller
>>> found on STM32MP SOCs.
>>>
>>
>> On DH STM32MP1 SoM in PDK2 carrier board,
>> Tested-by: Marek Vasut <marex@denx.de>
>>
>> btw. it seems this sets BTRx DATLAT and CLKDIV to 0xf , it's "Don't
>> care" in the datasheet for Muxed mode, but then it should probably be
>> set to 0.
>
> Hi Marek,
Hi,
> Thanks for testing.
Sure
> These 2 bit fields (BTRx DATLAT and CLKDIV) are only needed for
> synchronous transactions. Based on your bindings, the transaction type
> is asynchronous.
> CLKDIV bit fields should not be set to 0x0, as this value is reserved
> for this bit field. The driver keeps the reset value when it is not
> needed to update a bit field.
Then I guess that's fine either way.
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next prev parent reply other threads:[~2020-03-30 10:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-23 14:58 [00/12] add STM32 FMC2 controller drivers Christophe Kerello
2020-03-23 14:58 ` [01/12] dt-bindings: mfd: stm32-fmc2: add STM32 FMC2 controller documentation Christophe Kerello
2020-03-23 14:58 ` [02/12] mfd: stm32-fmc2: add STM32 FMC2 controller driver Christophe Kerello
2020-03-29 23:36 ` Marek Vasut
2020-03-30 9:18 ` Christophe Kerello
2020-03-23 14:58 ` [03/12] bus: stm32-fmc2-ebi: add STM32 FMC2 EBI " Christophe Kerello
2020-03-30 1:24 ` Marek Vasut
2020-03-30 9:19 ` Christophe Kerello
2020-03-30 9:30 ` Marek Vasut [this message]
2020-03-23 14:58 ` [04/12] mtd: rawnand: stm32_fmc2: manage all errors cases at probe time Christophe Kerello
2020-03-23 14:58 ` [05/12] mtd: rawnand: stm32_fmc2: remove useless inline comments Christophe Kerello
2020-03-23 14:58 ` [06/12] mtd: rawnand: stm32_fmc2: use FMC2_TIMEOUT_MS for timeouts Christophe Kerello
2020-03-23 14:58 ` [07/12] mtd: rawnand: stm32_fmc2: cleanup Christophe Kerello
2020-03-23 14:58 ` [08/12] mtd: rawnand: stm32_fmc2: use FIELD_PREP/FIELD_GET macros Christophe Kerello
2020-03-23 14:58 ` [09/12] mtd: rawnand: stm32_fmc2: move all registers Christophe Kerello
2020-03-23 14:58 ` [10/12] mtd: rawnand: stm32_fmc2: use regmap APIs Christophe Kerello
2020-03-24 0:44 ` Marek Vasut
2020-03-24 10:38 ` Christophe Kerello
2020-03-23 14:58 ` [11/12] mtd: rawnand: stm32_fmc2: use stm32_fmc2 structure in nfc controller Christophe Kerello
2020-03-23 14:58 ` [12/12] mtd: rawnand: stm32_fmc2: add new MP1 compatible string Christophe Kerello
2020-03-24 0:37 ` [00/12] add STM32 FMC2 controller drivers Marek Vasut
2020-03-24 7:36 ` Christophe Kerello
2020-03-24 13:27 ` Marek Vasut
2020-03-24 13:37 ` Christophe Kerello
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