From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E7A4182D8; Thu, 4 Jul 2024 16:49:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720111764; cv=none; b=JjXSUB7jT/R5NKaA4C80q6d6W98HdCJOpWfjzBQV+GimIRxeTYOeWZpYS8igZgj6le6YOv5Zr+4sCbviFnDlMQ9nmvYamNDo699253EQDyM8BUdVeYo1xALgCUww5cJb4JM5QonOaCg7ZJ08QVd8FS+fmBaB0NK6H2bc2XZd1t8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720111764; c=relaxed/simple; bh=V/hNryxYUoqX/3hr4qkJMKJe/sxOnEhMLqbIa0w1mOw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WYaztPo3MbYtggFO5MYbtWhAcyMTdNHoGjPmsVoTJqw1ZVk/khe9Ibuf34YirbNlxeImFEfk5rvOQGOkrb419t9bVQ4a+OEzPKKXuG9CykQDB07WHJdNlS/bJxgyuTNdOQU0hsCn00JXrAMb3wTT/uru7eDcDxq/FHQkv8p8yQc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ChPzUC53; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ChPzUC53" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B306C3277B; Thu, 4 Jul 2024 16:49:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720111763; bh=V/hNryxYUoqX/3hr4qkJMKJe/sxOnEhMLqbIa0w1mOw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ChPzUC53rna8olX5yXkpeizcxuhdkvoYsJyKcGnFlIstZh48N3YMeD2dM6zNSfUlL CGeSlmXr1KfvsdCQRDKBFX7d8Id0oUlHq1awnegoPAgSHebCDicc7n8NOp9mSgaTfD BTMFfS8WoRS4JOx7tARRw6R5tE1DBOySbN+u+qDIQcp7XPwOYHwjAwVubSj5DNfFW7 79QrD59o3EGx0QxC9SKZ6p3iani42yt9C7CH/x2lqyXhmNx8R5As7bfGWWSMVbBIIK 7LM3cryE5eYoY4wv2Q8RhLX0sFVHDTDQWvhGOqhS+vaMrHbpijgf45c3pBP2zCaQaN xc/Dfk/nPyyWA== Date: Thu, 4 Jul 2024 17:49:18 +0100 From: Conor Dooley To: Kanak Shilledar Cc: Serge Semin , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v2 3/3] riscv: dts: thead: add basic spi node Message-ID: <20240704-nifty-footman-a0b21ee461e0@spud> References: <20240701121355.262259-2-kanakshilledar@gmail.com> <20240701121355.262259-5-kanakshilledar@gmail.com> <20240703-juice-refreeze-62c468a56ea5@spud> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="iudhDWt6j+LdvUYo" Content-Disposition: inline In-Reply-To: --iudhDWt6j+LdvUYo Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jul 04, 2024 at 11:12:43AM +0530, Kanak Shilledar wrote: > Hi >=20 > On Wed, Jul 3, 2024 at 8:15=E2=80=AFPM Conor Dooley wr= ote: > > > > Kanak, Drew, > > > > On Mon, Jul 01, 2024 at 05:43:54PM +0530, Kanak Shilledar wrote: > > > created spi0 node with fixed clock. the spi0 node > > > uses synopsis designware driver and has the following > > > compatible "snps,dw-apb-ssi". the spi0 node is connected > > > to a SPI NOR flash pad which is left unpopulated on the back > > > side of the board. > > > > > > Signed-off-by: Kanak Shilledar > > > --- > > > Changes in v2: > > > - Separated from a single patch file > > > --- > > > .../boot/dts/thead/th1520-beaglev-ahead.dts | 9 +++++++++ > > > .../boot/dts/thead/th1520-lichee-module-4a.dtsi | 4 ++++ > > > .../riscv/boot/dts/thead/th1520-lichee-pi-4a.dts | 5 +++++ > > > > Didn't you say there was a flash on one of these two boards? > Yes, there is a SPI nor flash pad left unpopulated on the bottom side > of the LicheePi 4a > carrier board. https://wiki.sipeed.com/hardware/en/lichee/th1520/lpi4a/2_= unbox.html#Board-hardware-overview > notice the reserved pad in the bottom part of the image. Ah right, unpopulated. That makes sense, thanks. --iudhDWt6j+LdvUYo Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZobSjgAKCRB4tDGHoIJi 0hWfAP4uT4pgwm2LlqNsYq0IrYwSClAiEbvyWGLDIpcB45LO4wEA/iWiNXaMCveq fX/ADDYJWod2qCc/NImHzdaaCxqBKQk= =fj/5 -----END PGP SIGNATURE----- --iudhDWt6j+LdvUYo--