From nobody Fri Dec 19 08:56:38 2025 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 60B1D1BE846 for ; Fri, 30 Aug 2024 19:33:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725046397; cv=none; b=rk2Mi4vnbcZW3rLUcuFXhg4dEYvjDdegpHOLxf2WvknMtmFoxSoaVnYmH0ydG2nqGxmATn1ELVpGcgHhYS1qh0FUWWt9gWVHqF1io7i+4o11bvTVU8Mf9peKRxqiyNrvFt6HTGxpCiOh/IYT1QT7Q9m/ex++kFMpiPi1tX3588o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725046397; c=relaxed/simple; bh=gHcn4OZDSX+A/OQCPXVw5Njr3d5BhPC3JSMfqT4fihA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=iGA7131Ynga0mVPZyd74zdp2oVdnibIzlxOLxeS0Rwopjp35GMFiJXIcGNKsnunfRA6O9ta4TZhDvIYnzSoFk90HY9yarnxJYydjqONXeH1YpJdFvkWql5hYkKL2sG96McHfx8iSt2R++HgLuUqZ4DMkJSvP+i8iRAB9AQUarB4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sk7Mv-00066O-OW for linux-kernel@vger.kernel.org; Fri, 30 Aug 2024 21:33:13 +0200 Received: from [2a0a:edc0:0:b01:1d::7b] (helo=bjornoya.blackshift.org) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1sk7Mu-004E6D-U2 for linux-kernel@vger.kernel.org; Fri, 30 Aug 2024 21:33:12 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id E2E4832E227 for ; Fri, 30 Aug 2024 19:26:55 +0000 (UTC) Received: from hardanger.blackshift.org (unknown [172.20.34.65]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by bjornoya.blackshift.org (Postfix) with ESMTPS id AA29232E0FD; Fri, 30 Aug 2024 19:26:46 +0000 (UTC) Received: from [172.20.34.65] (localhost [::1]) by hardanger.blackshift.org (OpenSMTPD) with ESMTP id ec69a17b; Fri, 30 Aug 2024 19:26:45 +0000 (UTC) From: Marc Kleine-Budde Date: Fri, 30 Aug 2024 21:26:04 +0200 Subject: [PATCH can-next v3 07/20] can: rockchip_canfd: add support for rk3568v3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240830-rockchip-canfd-v3-7-d426266453fa@pengutronix.de> References: <20240830-rockchip-canfd-v3-0-d426266453fa@pengutronix.de> In-Reply-To: <20240830-rockchip-canfd-v3-0-d426266453fa@pengutronix.de> To: kernel@pengutronix.de, Vincent Mailhol , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Philipp Zabel , Elaine Zhang , David Jander Cc: Simon Horman , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Marc Kleine-Budde X-Mailer: b4 0.15-dev-99b12 X-Developer-Signature: v=1; a=openpgp-sha256; l=2430; i=mkl@pengutronix.de; h=from:subject:message-id; bh=gHcn4OZDSX+A/OQCPXVw5Njr3d5BhPC3JSMfqT4fihA=; b=owEBbQGS/pANAwAKASg4oj56LbxvAcsmYgBm0hzgTN/nn4L8IxlLVyeswobJnPMW7kpp2fMql IMKxHzbLnSJATMEAAEKAB0WIQRQQLqG4LYE3Sm8Pl8oOKI+ei28bwUCZtIc4AAKCRAoOKI+ei28 b2mVB/4se9H/tExfU14wiMJK1hvhyPR7kwXQF9faq8pnDmbr4CVsq5FSeUAjtmDTftqgLh6DWpt M8lgpAR5Ui3g2a+jR+iWEpvPbKlS4tjumk6y6Tiyw25pcnDUx4pDrqF1VIO6syYsZpD+09wuCP9 pyEygU9Fezl3KhWI6LvK8FPB1E+5Qdf8e9E5u1YKuZVsE94sNUTA5jUGCAAymS9v1vUl5gojABE bUVcn00AHkShAUtfX+73UMRLd+Cmo0RbeagCyd/6mVU5hm9wK5HXosd0ut2MynVRZR8SLAJD1ep /xJuTlUSBfNWztAo5ycPeSmlwzXFC0HxwkSkvxDN85YdDGpx X-Developer-Key: i=mkl@pengutronix.de; a=openpgp; fpr=C1400BA0B3989E6FBC7D5B5C2B5EE211C58AEA54 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Add the support for the rk3568v3 SoC, the CAN-FD IP core has 7 documented errata. Signed-off-by: Marc Kleine-Budde --- drivers/net/can/rockchip/rockchip_canfd-core.c | 20 ++++++++++++++++++++ drivers/net/can/rockchip/rockchip_canfd.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/c= an/rockchip/rockchip_canfd-core.c index 61de6f89cf16..40911bb63623 100644 --- a/drivers/net/can/rockchip/rockchip_canfd-core.c +++ b/drivers/net/can/rockchip/rockchip_canfd-core.c @@ -35,11 +35,28 @@ static const struct rkcanfd_devtype_data rkcanfd_devtyp= e_data_rk3568v2 =3D { RKCANFD_QUIRK_CANFD_BROKEN, }; =20 +/* The rk3568 CAN-FD errata sheet as of Tue 07 Nov 2023 11:25:31 +08:00 + * states that only the rk3568v2 is affected by erratum 5, but tests + * with the rk3568v2 and rk3568v3 show that the RX_FIFO_CNT is + * sometimes too high. In contrast to the errata sheet mark rk3568v3 + * as effected by erratum 5, too. + */ +static const struct rkcanfd_devtype_data rkcanfd_devtype_data_rk3568v3 =3D= { + .model =3D RKCANFD_MODEL_RK3568V3, + .quirks =3D RKCANFD_QUIRK_RK3568_ERRATUM_1 | RKCANFD_QUIRK_RK3568_ERRATUM= _2 | + RKCANFD_QUIRK_RK3568_ERRATUM_5 | RKCANFD_QUIRK_RK3568_ERRATUM_7 | + RKCANFD_QUIRK_RK3568_ERRATUM_8 | RKCANFD_QUIRK_RK3568_ERRATUM_10 | + RKCANFD_QUIRK_RK3568_ERRATUM_11 | RKCANFD_QUIRK_RK3568_ERRATUM_12 | + RKCANFD_QUIRK_CANFD_BROKEN, +}; + static const char *__rkcanfd_get_model_str(enum rkcanfd_model model) { switch (model) { case RKCANFD_MODEL_RK3568V2: return "rk3568v2"; + case RKCANFD_MODEL_RK3568V3: + return "rk3568v3"; } =20 return ""; @@ -764,6 +781,9 @@ static const struct of_device_id rkcanfd_of_match[] =3D= { { .compatible =3D "rockchip,rk3568v2-canfd", .data =3D &rkcanfd_devtype_data_rk3568v2, + }, { + .compatible =3D "rockchip,rk3568v3-canfd", + .data =3D &rkcanfd_devtype_data_rk3568v3, }, { /* sentinel */ }, diff --git a/drivers/net/can/rockchip/rockchip_canfd.h b/drivers/net/can/ro= ckchip/rockchip_canfd.h index 7321027534fb..9b446331fbd0 100644 --- a/drivers/net/can/rockchip/rockchip_canfd.h +++ b/drivers/net/can/rockchip/rockchip_canfd.h @@ -372,6 +372,7 @@ =20 enum rkcanfd_model { RKCANFD_MODEL_RK3568V2 =3D 0x35682, + RKCANFD_MODEL_RK3568V3 =3D 0x35683, }; =20 struct rkcanfd_devtype_data { --=20 2.45.2