From: Marek Vasut <marex@denx.de>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
linux-remoteproc@vger.kernel.org
Cc: Bjorn Andersson <andersson@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Fabio Estevam <festevam@gmail.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
NXP Linux Team <linux-imx@nxp.com>, Peng Fan <peng.fan@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO
Date: Mon, 10 Jul 2023 11:10:48 +0200 [thread overview]
Message-ID: <566cacd8-7110-850c-8d30-e1aba1591e92@denx.de> (raw)
In-Reply-To: <b19f2ac1-64e5-830f-a840-e4ac624111d1@linaro.org>
On 7/10/23 10:13, Krzysztof Kozlowski wrote:
> On 08/07/2023 01:26, Marek Vasut wrote:
>> The MX8M CM7 boot via SMC call is problematic, since not all versions
>> of ATF support this interface. Document MMIO support used to boot the
>> CM7 on MX8MN/MP instead and discern MMIO interface using DT compatible
>> string. Document GPR register syscon phandle which is required by the
>> MMIO interface too.
>>
>> Signed-off-by: Marek Vasut <marex@denx.de>
>> ---
>> Note that the MMIO being discerned using compatible string is similar
>> approach to "st,stm32mp1-rcc" vs "st,stm32mp1-rcc-secure".
>> ---
>
> Same hardware should not have two compatibles, depending on the bus it is.
Yes, I know, but for whatever reason the ST does, so I picked the same
approach here. What else would you suggest, boolean properly like Peng
wrote ?
The compatible is also easier to handle on driver level, at least in
Linux, see 2/2 .
next prev parent reply other threads:[~2023-07-10 10:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 23:26 [PATCH 1/2] dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO Marek Vasut
2023-07-07 23:26 ` [PATCH 2/2] remoteproc: imx_rproc: Switch iMX8MN/MP from SMCCC to MMIO Marek Vasut
2023-07-17 17:10 ` Mathieu Poirier
2023-07-20 12:41 ` Marek Vasut
2023-07-10 1:20 ` [PATCH 1/2] dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO Peng Fan
2023-07-10 8:13 ` Krzysztof Kozlowski
2023-07-10 9:10 ` Marek Vasut [this message]
2023-07-10 15:09 ` Rob Herring
2023-07-10 21:54 ` Marek Vasut
2023-07-10 15:11 ` Rob Herring
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