From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1A362EA3C59 for ; Thu, 9 Apr 2026 13:06:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+LVbMNYhGSkaPWoBrpn/4/4WrlRjW7VhV0Dbrcdgl70=; b=4OTfeSOD1EOAHWGDYTQrjoE02i Otnkeoh9VYkNS8fBKLqNXrwN6vWKz00U4qXmjokQaqPMu1FvXpVfTvXI5WGC7m7f5+ZWrfx6m67ts QPDcpYaTsomvsIapvF8hJ/n0OMSpTxj/vP9EGofLkoVQjeACUjgcLFLL3xR3x5RHwfZ4gi0QumNDP LkpnE8QrvZipVcKbpf3cs3LG/T8aA/20Xs6JaD4KulIheH29GweLGt6E8RCNdcmYrLHAz4dLLpmBI HSOcTEHGBtYYFbpGpIQFZGgRc1ODl2/ln8yq4bqCwrlv99zW+Ud1aKnboNyJBvfvpQh1k+9XW8Qv6 cQ6wSuWg==; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 09/04/2026 15:03, Gregor Herburger wrote: >>> >>> If I drop the binding patch how to distinguish the variants? Should I >>> add a SoC specific compatible? e.g. `raspberrypi,bcm2712-firmware` and >>> use it in the firmware/raspberrypi driver to add the second otp region? >> >> So you have different devices/variants? What is the "variant" here? > > Seems so. I suppose there is at least a bcm2712 variant and a non-bcm2712 > variant (which is currently confusingly named 'raspberrypi,bcm2835-firmware'). >> >> Writing-bindings asks you to have per device compatible. Why standard >> rules do not apply here? (see also DTS101) > > I am not arguing that the rules do not apply here. I want to find out > what is the correct way to do it. > > Should there then be a 'raspberrypi,bcm2712-firmware' compatible with > 'raspberrypi,bcm2835-firmware' fallback? Yes, most likely. Let's wait a bit - maybe someone from Raspberry or Broadcom will clarify things here. Best regards, Krzysztof