From nobody Tue Dec 16 11:49:22 2025 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) (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 50A22188CDE; Thu, 8 Aug 2024 07:11:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.198 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723101112; cv=none; b=hJPmvUt++LhKfhuxWX2yzC2gqo7gyBxGp4oIYjz8Tr7AUC+1idkk8EtCYeh6VJh9SmeVOUzeYX2tVRTHYF777glXqYvua/vte+MfcUtOZbzs9d3MRPb7EyQSlKKbZt29CM9vdG4K07wjQgBb4FAz2poqiaVhoKBi1vH/tUDxRbo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723101112; c=relaxed/simple; bh=hTzato8cKaoO4hbl5oUIJo38WLktHOkgo5DHuEApC2I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VHPQLtK7GULHqL3t/E9bxz6H+s4jEfGw3bVT0eIz5dU6aDEOLyzbCojlSu/JVdShJL95TjVjP0NyEJqrO/kwQqbj9CAM3g5lgaYWUjxL2DknjVSy9x1PBuZOAWrBwP2+5Zho3svPqTVbBQHCEOgtQEIEAPdeDXtTq7f9vB4dcBU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=kOoz4VOr; arc=none smtp.client-ip=217.70.183.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="kOoz4VOr" Received: by mail.gandi.net (Postfix) with ESMTPA id E6863C0017; Thu, 8 Aug 2024 07:11:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1723101108; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dyUVFs5n9icwfFDf1qikeUi9uMwaDds5yIaZ8cg5fuI=; b=kOoz4VOr+fQPScZvExImHIkbNbbQp48YiwIY+ybND/w/ygFQd+P48w+KoUDUHZ2tNy+bYX C+v+oYEJAXxhoUw1+O5aRhC0/moDm/33O8s7B/CZVetduPEAAFIAv7PG6GFNEupeY90afk RpYu0mbvra2+1QHFUM2uiPyToLOSf25G7CfcdRCI5M5YBiIQ8pe7DyWmjFAeTwHdlTbDg5 IfF27I5I4L9GdUpwLRyoO1PbOhfizLf1BELokUGwyAqfSQocXUyTHEOv3FegJrjer/ZF04 q4OLsEEVKgRtzNzTKg7c/AaV200R7jABVVGaAu+v4nnDXf/HcRhQZQig6+JoAw== From: Herve Codina To: Herve Codina , Christophe Leroy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Qiang Zhao , Li Yang , Mark Brown Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Petazzoni Subject: [PATCH v2 13/36] soc: fsl: cpm1: tsa: Introduce tsa_version Date: Thu, 8 Aug 2024 09:11:06 +0200 Message-ID: <20240808071132.149251-14-herve.codina@bootlin.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240808071132.149251-1-herve.codina@bootlin.com> References: <20240808071132.149251-1-herve.codina@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: herve.codina@bootlin.com Content-Type: text/plain; charset="utf-8" Current code handles CPM1 version of TSA. In order to prepare the support for the QUICC Engine (QE) version of TSA, introduce tsa_version to identify versions. This will enable the code to make the distinction between several TSA implementations. Signed-off-by: Herve Codina Reviewed-by: Christophe Leroy --- drivers/soc/fsl/qe/tsa.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c index 48a176cece86..297721a0d2b6 100644 --- a/drivers/soc/fsl/qe/tsa.c +++ b/drivers/soc/fsl/qe/tsa.c @@ -114,12 +114,17 @@ struct tsa_tdm { #define TSA_TDMA 0 #define TSA_TDMB 1 =20 +enum tsa_version { + TSA_CPM1 =3D 1, /* Avoid 0 value */ +}; + struct tsa { struct device *dev; void __iomem *si_regs; void __iomem *si_ram; resource_size_t si_ram_sz; spinlock_t lock; /* Lock for read/modify/write sequence */ + enum tsa_version version; int tdms; /* TSA_TDMx ORed */ struct tsa_tdm tdm[2]; /* TDMa and TDMb */ struct tsa_serial { @@ -685,6 +690,15 @@ static int tsa_probe(struct platform_device *pdev) return -ENOMEM; =20 tsa->dev =3D &pdev->dev; + tsa->version =3D (enum tsa_version)(uintptr_t)of_device_get_match_data(&p= dev->dev); + switch (tsa->version) { + case TSA_CPM1: + dev_info(tsa->dev, "CPM1 version\n"); + break; + default: + dev_err(tsa->dev, "Unknown version (%d)\n", tsa->version); + return -EINVAL; + } =20 for (i =3D 0; i < ARRAY_SIZE(tsa->serials); i++) tsa->serials[i].id =3D i; @@ -746,7 +760,7 @@ static void tsa_remove(struct platform_device *pdev) } =20 static const struct of_device_id tsa_id_table[] =3D { - { .compatible =3D "fsl,cpm1-tsa" }, + { .compatible =3D "fsl,cpm1-tsa", .data =3D (void *)TSA_CPM1 }, {} /* sentinel */ }; MODULE_DEVICE_TABLE(of, tsa_id_table); --=20 2.45.0