From patchwork Tue Nov 23 16:40:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marek_Beh=C3=BAn?= X-Patchwork-Id: 12634659 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 868F0C4332F for ; Tue, 23 Nov 2021 16:40:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233008AbhKWQnr (ORCPT ); Tue, 23 Nov 2021 11:43:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:47652 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232435AbhKWQnq (ORCPT ); Tue, 23 Nov 2021 11:43:46 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BC06060F90; Tue, 23 Nov 2021 16:40:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637685638; bh=LI6uHS/wP+avmLAUWSW6X7r65Xj3azfYhtW66M34qvQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=teftqRymS3caKyn8wpTtAPB4pfIbSdGIZLfsAbRx7iXbtBtBaDG4BOXo7zBj/bbXQ hUpO9+C6U3DT7NLBksFt0PTHanlexQ56lmiJWVU5IwgLRefS+Xlov5lAXfTxr4D1LQ axXrAQdSqA27dyhUSZdgEyUYcsP31hdP3sn+sAAyjPZ/l39JwO+mfC3tOV6abtJUXN vV4NVqcw+DFNXjk2hMi+y4niN91tk8LstwFKm9eihOgk25UY2DksOS+AmZPiEwg0WC JyK3tavZnxsrYVA7jKkk/YfhbsdHdHY9oFEZHBs68B1tsTmsVQiTVy7U42j85Yjq0s pbDN1vT0U9N2Q== From: =?utf-8?q?Marek_Beh=C3=BAn?= To: netdev@vger.kernel.org, Andrew Lunn Cc: Rob Herring , devicetree@vger.kernel.org, Russell King , Jakub Kicinski , Vladimir Oltean , Sean Anderson , davem@davemloft.net, =?utf-8?q?Marek_Beh=C3=BAn?= Subject: [PATCH net-next v2 3/8] device property: add helper function for getting phy mode bitmap Date: Tue, 23 Nov 2021 17:40:22 +0100 Message-Id: <20211123164027.15618-4-kabel@kernel.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211123164027.15618-1-kabel@kernel.org> References: <20211123164027.15618-1-kabel@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Now that the 'phy-mode' property can be a string array containing more PHY modes, add helper function fwnode_get_phy_modes() that reads this property and fills in PHY interfaces bitmap. Signed-off-by: Marek Behún Reviewed-by: Andrew Lunn --- drivers/base/property.c | 34 ++++++++++++++++++++++++++++++++++ include/linux/property.h | 3 +++ 2 files changed, 37 insertions(+) diff --git a/drivers/base/property.c b/drivers/base/property.c index e12aef10f7fd..9f9dbc2ae386 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -921,6 +921,40 @@ int fwnode_get_phy_mode(struct fwnode_handle *fwnode) } EXPORT_SYMBOL_GPL(fwnode_get_phy_mode); +/** + * fwnode_get_phy_modes - Fill in phy modes bitmap for given firmware node + * @fwnode: Pointer to the given node + * @interfaces: Phy modes bitmask, as declared by DECLARE_PHY_INTERFACE_MASK() + * + * Reads the strings from property 'phy-mode' or 'phy-connection-type' and fills + * interfaces bitmask. Returns 0 on success, or errno on error. + */ +int fwnode_get_phy_modes(struct fwnode_handle *fwnode, + unsigned long *interfaces) +{ + const char *modes[PHY_INTERFACE_MODE_MAX]; + int len, i, j; + + len = fwnode_property_read_string_array(fwnode, "phy-mode", modes, + ARRAY_SIZE(modes)); + if (len < 0) + len = fwnode_property_read_string_array(fwnode, + "phy-connection-type", + modes, + ARRAY_SIZE(modes)); + if (len < 0) + return len; + + phy_interface_zero(interfaces); + for (i = 0; i < len; ++i) + for (j = 0; j < PHY_INTERFACE_MODE_MAX; j++) + if (!strcasecmp(modes[i], phy_modes(j))) + __set_bit(j, interfaces); + + return 0; +} +EXPORT_SYMBOL_GPL(fwnode_get_phy_modes); + /** * device_get_phy_mode - Get first phy mode for given device * @dev: Pointer to the given device diff --git a/include/linux/property.h b/include/linux/property.h index 88fa726a76df..99a74d524b2b 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -391,6 +391,9 @@ const void *device_get_match_data(struct device *dev); int device_get_phy_mode(struct device *dev); int fwnode_get_phy_mode(struct fwnode_handle *fwnode); +int fwnode_get_phy_modes(struct fwnode_handle *fwnode, + unsigned long *interfaces); + struct fwnode_handle *fwnode_graph_get_next_endpoint( const struct fwnode_handle *fwnode, struct fwnode_handle *prev); struct fwnode_handle *