From patchwork Fri Aug 26 10:56:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 12955875 X-Patchwork-Delegate: kuba@kernel.org 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 248CAECAAA3 for ; Fri, 26 Aug 2022 10:57:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344117AbiHZK5Q (ORCPT ); Fri, 26 Aug 2022 06:57:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344115AbiHZK5A (ORCPT ); Fri, 26 Aug 2022 06:57:00 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DFC8761B08 for ; Fri, 26 Aug 2022 03:56:55 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oRX0x-0002uV-0B; Fri, 26 Aug 2022 12:56:39 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1oRX0v-0024Z3-Ua; Fri, 26 Aug 2022 12:56:37 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1oRX0t-00GB23-D0; Fri, 26 Aug 2022 12:56:35 +0200 From: Oleksij Rempel To: Woojung Huh , UNGLinuxDriver@microchip.com, Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH net-next v4 01/17] net: dsa: microchip: add separate struct ksz_chip_data for KSZ8563 chip Date: Fri, 26 Aug 2022 12:56:18 +0200 Message-Id: <20220826105634.3855578-2-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220826105634.3855578-1-o.rempel@pengutronix.de> References: <20220826105634.3855578-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add separate entry for the KSZ8563 chip. According to the documentation it can support Gbit only on RGMII port. So, we will need to be able to describe in the followup patch. Signed-off-by: Oleksij Rempel Reviewed-by: Vladimir Oltean --- drivers/net/dsa/microchip/ksz_common.c | 39 ++++++++++++++++++++++++-- drivers/net/dsa/microchip/ksz_common.h | 6 ++++ drivers/net/dsa/microchip/ksz_spi.c | 2 +- 3 files changed, 44 insertions(+), 3 deletions(-) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 6bd69a7e6809d..5cadc831c75d5 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -413,6 +413,29 @@ static const u8 lan937x_shifts[] = { }; const struct ksz_chip_data ksz_switch_chips[] = { + [KSZ8563] = { + .chip_id = KSZ8563_CHIP_ID, + .dev_name = "KSZ8563", + .num_vlans = 4096, + .num_alus = 4096, + .num_statics = 16, + .cpu_ports = 0x07, /* can be configured as cpu port */ + .port_cnt = 3, /* total port count */ + .ops = &ksz9477_dev_ops, + .mib_names = ksz9477_mib_names, + .mib_cnt = ARRAY_SIZE(ksz9477_mib_names), + .reg_mib_cnt = MIB_COUNTER_NUM, + .regs = ksz9477_regs, + .masks = ksz9477_masks, + .shifts = ksz9477_shifts, + .xmii_ctrl0 = ksz9477_xmii_ctrl0, + .xmii_ctrl1 = ksz8795_xmii_ctrl1, /* Same as ksz8795 */ + .supports_mii = {false, false, true}, + .supports_rmii = {false, false, true}, + .supports_rgmii = {false, false, true}, + .internal_phy = {true, true, false}, + }, + [KSZ8795] = { .chip_id = KSZ8795_CHIP_ID, .dev_name = "KSZ8795", @@ -1366,6 +1389,7 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds, proto = DSA_TAG_PROTO_KSZ8795; if (dev->chip_id == KSZ8830_CHIP_ID || + dev->chip_id == KSZ8563_CHIP_ID || dev->chip_id == KSZ9893_CHIP_ID) proto = DSA_TAG_PROTO_KSZ9893; @@ -1685,7 +1709,7 @@ static void ksz_phylink_mac_link_up(struct dsa_switch *ds, int port, static int ksz_switch_detect(struct ksz_device *dev) { - u8 id1, id2; + u8 id1, id2, id4; u16 id16; u32 id32; int ret; @@ -1731,7 +1755,6 @@ static int ksz_switch_detect(struct ksz_device *dev) switch (id32) { case KSZ9477_CHIP_ID: case KSZ9897_CHIP_ID: - case KSZ9893_CHIP_ID: case KSZ9567_CHIP_ID: case LAN9370_CHIP_ID: case LAN9371_CHIP_ID: @@ -1739,6 +1762,18 @@ static int ksz_switch_detect(struct ksz_device *dev) case LAN9373_CHIP_ID: case LAN9374_CHIP_ID: dev->chip_id = id32; + break; + case KSZ9893_CHIP_ID: + ret = ksz_read8(dev, REG_CHIP_ID4, + &id4); + if (ret) + return ret; + + if (id4 == SKU_ID_KSZ8563) + dev->chip_id = KSZ8563_CHIP_ID; + else + dev->chip_id = KSZ9893_CHIP_ID; + break; default: dev_err(dev->dev, diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index 0d9520dc6d2db..eedcbcddd000c 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -124,6 +124,7 @@ struct ksz_device { /* List of supported models */ enum ksz_model { + KSZ8563, KSZ8795, KSZ8794, KSZ8765, @@ -140,6 +141,7 @@ enum ksz_model { }; enum ksz_chip_id { + KSZ8563_CHIP_ID = 0x8563, KSZ8795_CHIP_ID = 0x8795, KSZ8794_CHIP_ID = 0x8794, KSZ8765_CHIP_ID = 0x8765, @@ -483,6 +485,10 @@ static inline int is_lan937x(struct ksz_device *dev) #define SW_REV_ID_M GENMASK(7, 4) +/* KSZ9893, KSZ9563, KSZ8563 specific register */ +#define REG_CHIP_ID4 0x0f +#define SKU_ID_KSZ8563 0x3c + /* Driver set switch broadcast storm protection at 10% rate. */ #define BROADCAST_STORM_PROT_RATE 10 diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c index 05bd089795f83..746b725b09ec4 100644 --- a/drivers/net/dsa/microchip/ksz_spi.c +++ b/drivers/net/dsa/microchip/ksz_spi.c @@ -160,7 +160,7 @@ static const struct of_device_id ksz_dt_ids[] = { }, { .compatible = "microchip,ksz8563", - .data = &ksz_switch_chips[KSZ9893] + .data = &ksz_switch_chips[KSZ8563] }, { .compatible = "microchip,ksz9567",