From patchwork Fri May 26 07:34:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 13256545 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 B90EC7496 for ; Fri, 26 May 2023 07:35:37 +0000 (UTC) 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 D3308B6 for ; Fri, 26 May 2023 00:35:02 -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 1q2RyL-0005ld-Dw; Fri, 26 May 2023 09:34:49 +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 1q2RyJ-002u6x-D5; Fri, 26 May 2023 09:34:47 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1q2RyI-002nuP-98; Fri, 26 May 2023 09:34:46 +0200 From: Oleksij Rempel To: "David S. Miller" , Andrew Lunn , Eric Dumazet , Florian Fainelli , Jakub Kicinski , Paolo Abeni , Vladimir Oltean , Woojung Huh , Arun Ramadoss Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, UNGLinuxDriver@microchip.com, "Russell King (Oracle)" Subject: [PATCH net-next v2 5/5] net: dsa: microchip: Add register access control for KSZ8873 chip Date: Fri, 26 May 2023 09:34:45 +0200 Message-Id: <20230526073445.668430-6-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230526073445.668430-1-o.rempel@pengutronix.de> References: <20230526073445.668430-1-o.rempel@pengutronix.de> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org This update introduces specific register access boundaries for the KSZ8873 and KSZ8863 chips within the DSA Microchip driver. The outlined ranges target global control registers, port registers, and advanced control registers. Signed-off-by: Oleksij Rempel --- drivers/net/dsa/microchip/ksz_common.c | 41 ++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 53bb7d9712d0..768f649d2f40 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -1075,6 +1075,45 @@ static const struct regmap_access_table ksz9896_register_set = { .n_yes_ranges = ARRAY_SIZE(ksz9896_valid_regs), }; +static const struct regmap_range ksz8873_valid_regs[] = { + regmap_reg_range(0x00, 0x01), + /* global control register */ + regmap_reg_range(0x02, 0x0f), + + /* port registers */ + regmap_reg_range(0x10, 0x1d), + regmap_reg_range(0x1e, 0x1f), + regmap_reg_range(0x20, 0x2d), + regmap_reg_range(0x2e, 0x2f), + regmap_reg_range(0x30, 0x39), + regmap_reg_range(0x3f, 0x3f), + + /* advanced control registers */ + regmap_reg_range(0x60, 0x6f), + regmap_reg_range(0x70, 0x75), + regmap_reg_range(0x76, 0x78), + regmap_reg_range(0x79, 0x7a), + regmap_reg_range(0x7b, 0x83), + regmap_reg_range(0x8e, 0x99), + regmap_reg_range(0x9a, 0xa5), + regmap_reg_range(0xa6, 0xa6), + regmap_reg_range(0xa7, 0xaa), + regmap_reg_range(0xab, 0xae), + regmap_reg_range(0xaf, 0xba), + regmap_reg_range(0xbb, 0xbc), + regmap_reg_range(0xbd, 0xbd), + regmap_reg_range(0xc0, 0xc0), + regmap_reg_range(0xc2, 0xc2), + regmap_reg_range(0xc3, 0xc3), + regmap_reg_range(0xc4, 0xc4), + regmap_reg_range(0xc6, 0xc6), +}; + +static const struct regmap_access_table ksz8873_register_set = { + .yes_ranges = ksz8873_valid_regs, + .n_yes_ranges = ARRAY_SIZE(ksz8873_valid_regs), +}; + const struct ksz_chip_data ksz_switch_chips[] = { [KSZ8563] = { .chip_id = KSZ8563_CHIP_ID, @@ -1214,6 +1253,8 @@ const struct ksz_chip_data ksz_switch_chips[] = { .supports_mii = {false, false, true}, .supports_rmii = {false, false, true}, .internal_phy = {true, true, false}, + .wr_table = &ksz8873_register_set, + .rd_table = &ksz8873_register_set, }, [KSZ9477] = {