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[194.187.74.233]) by smtp.googlemail.com with ESMTPSA id v28sm470640lfo.43.2020.11.11.23.53.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Nov 2020 23:53:39 -0800 (PST) Subject: Re: [PATCH V3 1/3] arm64: add config for Broadcom BCM4908 SoCs To: Baruch Siach Cc: Florian Fainelli , devicetree@vger.kernel.org, Catalin Marinas , Rob Herring , bcm-kernel-feedback-list@broadcom.com, =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Will Deacon , linux-arm-kernel@lists.infradead.org References: <20201112072133.17039-1-zajec5@gmail.com> <87r1ozav04.fsf@tarshish> From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= Message-ID: <6ce8a873-6815-5796-8d62-c6847d1799d9@gmail.com> Date: Thu, 12 Nov 2020 08:53:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <87r1ozav04.fsf@tarshish> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 12.11.2020 08:34, Baruch Siach wrote: > On Thu, Nov 12 2020, Rafał Miłecki wrote: >> From: Rafał Miłecki >> >> Add ARCH_BCM4908 config that can be used for compiling DTS files. >> >> Signed-off-by: Rafał Miłecki >> --- >> arch/arm64/Kconfig.platforms | 8 ++++++++ >> arch/arm64/configs/defconfig | 1 + >> 2 files changed, 9 insertions(+) >> >> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms >> index 6f2494dd6d60..d1c02a4a93c8 100644 >> --- a/arch/arm64/Kconfig.platforms >> +++ b/arch/arm64/Kconfig.platforms >> @@ -43,6 +43,14 @@ config ARCH_BCM2835 >> This enables support for the Broadcom BCM2837 and BCM2711 SoC. >> These SoCs are used in the Raspberry Pi 3 and 4 devices. >> >> +config ARCH_BCM4908 >> + bool "Broadcom BCM4908 family" >> + select GPIOLIB >> + help >> + This enables support for the Broadcom BCM4906, BCM4908 and >> + BCM49408 SoCs. These SoCs use Cortex-B53 cores and can be > > Is Cortex-B53 an official name? I see reference to Brahma-B53 in other > places like Documentation/arm64/silicon-errata.rst. That should be Brahma-B53. Good catch. Initially I didn't know "Brahma" name and thought (Brahma-) B53 is just minor variation of Cortex-B53. I even used: compatible = "brcm,cortex-b53", "arm,cortex-a53"; It's clarified now but I forgot to update config help.