From patchwork Fri Aug 30 19:26:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Kleine-Budde X-Patchwork-Id: 13785477 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 8785FCA0FE8 for ; Fri, 30 Aug 2024 19:35:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=x6aqCH5ZXD5sJRISVkV7HSct3AaVNQ/AD0OjPMYedJg=; b=32/kp2LCOpLURy WAnq5CWAbOUXz3E2dLUIpJeoMGGFJqgHF2ugKVpua8K5PcWOC5bL5yB+m+sDo9F6EzLS3j+KuMJV6 YCgxcq2MkFX7Kade49Jc4yw/yqZHaXp78YTc3wars6lrPw6iKPS02pn40wCNsSbebXv4GXHaJOrK2 ThOWv8qELaUP1nzl09lclQADu0JhfcXeUMZkVH/epHMa8rHAQpYzYvY9X7DnsH0+duAOvcw4uzSu4 tosfSsL7tWJZE2KhTIOAgq8jIgrbkk6DP7V/fQZgJnNTyCHk4HmkyBItXsh6/U6O4TDfd3Ce+yOah r4i2cKsiVQkJHA2cW8MA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sk7Ok-00000007UaJ-0yFd; Fri, 30 Aug 2024 19:35:06 +0000 Received: from metis.whiteo.stw.pengutronix.de ([185.203.201.7]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sk7Gx-00000007RQR-0xUu for linux-rockchip@lists.infradead.org; Fri, 30 Aug 2024 19:27:06 +0000 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 1sk7Gu-0006EU-8t for linux-rockchip@lists.infradead.org; Fri, 30 Aug 2024 21:27:00 +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 1sk7Gn-004Dj7-Tn for linux-rockchip@lists.infradead.org; Fri, 30 Aug 2024 21:26:53 +0200 Received: from dspam.blackshift.org (localhost [127.0.0.1]) by bjornoya.blackshift.org (Postfix) with SMTP id 76FD332E1C0 for ; Fri, 30 Aug 2024 19:26:53 +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 MIME-Version: 1.0 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-rockchip@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240830_122703_326133_04D5FEB1 X-CRM114-Status: GOOD ( 14.58 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.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/can/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_devtype_data_rk3568v2 = { RKCANFD_QUIRK_CANFD_BROKEN, }; +/* 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 = { + .model = RKCANFD_MODEL_RK3568V3, + .quirks = 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"; } return ""; @@ -764,6 +781,9 @@ static const struct of_device_id rkcanfd_of_match[] = { { .compatible = "rockchip,rk3568v2-canfd", .data = &rkcanfd_devtype_data_rk3568v2, + }, { + .compatible = "rockchip,rk3568v3-canfd", + .data = &rkcanfd_devtype_data_rk3568v3, }, { /* sentinel */ }, diff --git a/drivers/net/can/rockchip/rockchip_canfd.h b/drivers/net/can/rockchip/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 @@ enum rkcanfd_model { RKCANFD_MODEL_RK3568V2 = 0x35682, + RKCANFD_MODEL_RK3568V3 = 0x35683, }; struct rkcanfd_devtype_data {