From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) (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 46F5D156F28; Mon, 29 Jul 2024 14:21:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.193 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722262888; cv=none; b=aFPHiN4XYQWY9x8xjYBvg+qsAe17qCM//64GSS0I2BEBaLbPD60O+b/ARmCseVPndLr5NBRRcU5Pe9/26NlT6e0RcvnA6p0cNTkXT08t8XNjb5CsT+H1k9kkjomq8dU7rHvrRngj+z3veBAPEyugr4vDiVPmsAQVuTVtCMK5f8A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722262888; c=relaxed/simple; bh=kd43P/38ytu5wXQxYv6vHhlOQQQ+T3B67xz0MWKPER4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=otWqTC2IIPaR//NGKjTTDqYfoFn0rQs96j3ZlY4NjVl7t2Mkmn3xscDCYxez8quuMy+dmtGjCT2wCs7MjMLuL9/Sao7rp+arLp8xaJkCwnP3KrQ+lt1P4xdGVnZw4PIR7okEkl2bnAhanPZbtH1gohh0edNKw1ubOidD0uZ6oYA= 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=jIbxCO4o; arc=none smtp.client-ip=217.70.183.193 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="jIbxCO4o" Received: by mail.gandi.net (Postfix) with ESMTPA id 09396240017; Mon, 29 Jul 2024 14:21:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1722262884; 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=Lnsu/Wi7dGj1nJVAQ+x0DLiP3zgedc4tHolE2i3TsXs=; b=jIbxCO4oG7wm2lbIMUDqM4FGW33R5m+Wx+bt9eT4XSej5NCngci4tYAd1K1lbnlnMPOvoy NxEdfrKdNzlHlK8ZyGo2NdnyhzMggftF8RiQUjzIZtjswTtDansXOwhhvod562UT4hZHri E4T9A/octqZV7WkA85rSXEHnlnPDzCePegDF+Hfq6tfTwhDU0EyWbBL7VdYAMWORyhfznS lyW3MGNHAlP4+xGYlfHv6dPmlXG7tDl4Vf1PCaKSx+/BcH4Hz98y5jPs/q0Dgiy39TK3Du efUP8E/CfpJcxrGQITKMNwoml/sHhQutWrogYxHICyLAioxqBKT/NvifQJfXKQ== 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 v1 13/36] soc: fsl: cpm1: tsa: Introduce tsa_version Date: Mon, 29 Jul 2024 16:20:42 +0200 Message-ID: <20240729142107.104574-14-herve.codina@bootlin.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240729142107.104574-1-herve.codina@bootlin.com> References: <20240729142107.104574-1-herve.codina@bootlin.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-GND-Sasl: herve.codina@bootlin.com 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 --- 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..3b7c9766e25c 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 +enum tsa_version { + TSA_CPM1 = 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; tsa->dev = &pdev->dev; + tsa->version = (enum tsa_version)of_device_get_match_data(&pdev->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; + } for (i = 0; i < ARRAY_SIZE(tsa->serials); i++) tsa->serials[i].id = i; @@ -746,7 +760,7 @@ static void tsa_remove(struct platform_device *pdev) } static const struct of_device_id tsa_id_table[] = { - { .compatible = "fsl,cpm1-tsa" }, + { .compatible = "fsl,cpm1-tsa", .data = (void *)TSA_CPM1 }, {} /* sentinel */ }; MODULE_DEVICE_TABLE(of, tsa_id_table); -- 2.45.0