From patchwork Sun Feb 28 14:12:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dario Binacchi X-Patchwork-Id: 1445259 X-Patchwork-Delegate: lokeshvutla@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=libero.it header.i=@libero.it header.a=rsa-sha256 header.s=s2021 header.b=jgPF7s/y; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DpQQ95lTjz9rx6 for ; Mon, 1 Mar 2021 01:14:57 +1100 (AEDT) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 13BD3826C7; Sun, 28 Feb 2021 15:14:01 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=libero.it Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (2048-bit key; unprotected) header.d=libero.it header.i=@libero.it header.b="jgPF7s/y"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id A721881FE7; Sun, 28 Feb 2021 15:13:10 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=0.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FORGED_SPF_HELO,FREEMAIL_FROM, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,RCVD_IN_SORBS_WEB,SPF_HELO_PASS autolearn=no autolearn_force=no version=3.4.2 Received: from libero.it (smtp-17-i2.italiaonline.it [213.209.12.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 31B2881A26 for ; Sun, 28 Feb 2021 15:13:03 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=libero.it Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=dariobin@libero.it Received: from passgat-Modern-14-A10M.homenet.telecomitalia.it ([87.20.116.197]) by smtp-17.iol.local with ESMTPA id GMoXljE45lChfGMoglwAG2; Sun, 28 Feb 2021 15:13:03 +0100 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=libero.it; s=s2021; t=1614521583; bh=OgeH+npJmaN8JoTwWZoDr4NiJTNS3JT3iaCtCyondG8=; h=From; b=jgPF7s/y3BtPMB3dwte1WlEcxmDZnPISvPxmwbT5zf2FGPx5zDw465jcpsFGKnDH1 X4aw5a4mvL5N6cTA+ZPDO2Ryv9xWfRmlOkuFKWfovCE9eZLPO8kFRdE9IjkJj33AHf Osg3jH+ZYKoikIBa0u23CG8O44L2d2qlXx3NArfCfIoBeaFiUPofHWqi5zpg8j2Qmx YpKjFTi0msqprgzsMvhLaeevVQGSDNicAywdKHrHm33Yl96jRrWzHxp4E8xeW2x4/i 21cYvh6h9zc303m9OPBfD/+HtzLFkpJWgleUcCN5Eoh3iQzsLdKVOkEVKCqFDP7dkH 7yduGWmw3el8w== X-CNFS-Analysis: v=2.4 cv=S6McfKgP c=1 sm=1 tr=0 ts=603ba4ef cx=a_exe a=AVqmXbCQpuNSdJmApS5GbQ==:117 a=AVqmXbCQpuNSdJmApS5GbQ==:17 a=cm27Pg_UAAAA:8 a=WS_7DFf0z2rtJLUA5yoA:9 a=xmb-EsYY8bH0VWELuYED:22 From: Dario Binacchi To: u-boot@lists.denx.de Cc: Lokesh Vutla , Dario Binacchi , Patrick Delaunay , Pratyush Yadav , Simon Glass Subject: [PATCH v3 09/12] pinctrl: single: add get_pins_count operation Date: Sun, 28 Feb 2021 15:12:38 +0100 Message-Id: <20210228141241.15931-10-dariobin@libero.it> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210228141241.15931-1-dariobin@libero.it> References: <20210228141241.15931-1-dariobin@libero.it> X-CMAE-Envelope: MS4xfHacvNDbzXWMdq3UKNUQvCXg8OeIVhabqliQVQ3mvjbjXUtxRDO5OXNyeyfXStzbgLKzWssIj7PokFQBtCqN1+8bTz01NuoylYAOL5zUu1glAJqbilx1 dS0td8IABvHLZay/AfMP3iAKHAfzDDRz4pV41mn5sGzLV9DOSGNkKlMoa2y7XN5EIxOuh0/rXrnNqfEdMLhUdpK7aQNp0f48nRqmKyYOVzI0p02ZkLrf9nk8 IgcsgapE/faaWhT6gkMvRPvxWVhVrjdOvgZgDLkaeRVcoos25egofI4MWnUR3CX/GWvGXsmaRBQwmQOUwMeyoyrvh/JyvIxEGYnXzcRU4GMdhOcF9G56gcet r0xLwBkkPlbWp74Z4S0foJ82vc6XDg== X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.4 at phobos.denx.de X-Virus-Status: Clean It returns the number of selectable pins. Signed-off-by: Dario Binacchi Reviewed-by: Simon Glass --- (no changes since v2) Changes in v2: - Added Simon Glass review tag. drivers/pinctrl/pinctrl-single.c | 37 ++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 5b3ccc2281..e99eb552f5 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -26,6 +26,16 @@ struct single_pdata { bool bits_per_mux; }; +/** + * struct single_priv - private data + * @bits_per_pin: number of bits per pin + * @npins: number of selectable pins + */ +struct single_priv { + unsigned int bits_per_pin; + unsigned int npins; +}; + /** * struct single_fdt_pin_cfg - pin configuration * @@ -194,6 +204,30 @@ static int single_set_state(struct udevice *dev, return len; } +static int single_get_pins_count(struct udevice *dev) +{ + struct single_priv *priv = dev_get_priv(dev); + + return priv->npins; +} + +static int single_probe(struct udevice *dev) +{ + struct single_pdata *pdata = dev_get_plat(dev); + struct single_priv *priv = dev_get_priv(dev); + u32 size; + + size = pdata->offset + pdata->width / BITS_PER_BYTE; + priv->npins = size / (pdata->width / BITS_PER_BYTE); + if (pdata->bits_per_mux) { + priv->bits_per_pin = fls(pdata->mask); + priv->npins *= (pdata->width / priv->bits_per_pin); + } + + dev_dbg(dev, "%d pins\n", priv->npins); + return 0; +} + static int single_of_to_plat(struct udevice *dev) { fdt_addr_t addr; @@ -244,6 +278,7 @@ static int single_of_to_plat(struct udevice *dev) } const struct pinctrl_ops single_pinctrl_ops = { + .get_pins_count = single_get_pins_count, .set_state = single_set_state, }; @@ -258,5 +293,7 @@ U_BOOT_DRIVER(single_pinctrl) = { .of_match = single_pinctrl_match, .ops = &single_pinctrl_ops, .plat_auto = sizeof(struct single_pdata), + .priv_auto = sizeof(struct single_priv), .of_to_plat = single_of_to_plat, + .probe = single_probe, };