From patchwork Sat Oct 8 16:48:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 13001810 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 3C9D1C433F5 for ; Sat, 8 Oct 2022 16:49:25 +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:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=17DlSHAThRqKzhPWKyxjw3+1XGu8TZ2w1M5EYB+HQfM=; b=Vg5ZzwFcPyWxsc lm8hArJB9pOctDI9gGUqcs4/uhEeI1nXMyKCkkekI+fKg6O/oHLZaA+430I/95itqCu4/jdQGG9S0 1oMFT3CTm8RAKB3Mtrl0HcEkiRBV8jMdoLhrM5BY4lbzZXkOHvmXRtXmnSAdrOTymb5KKj1S5bHxu pzFLKbbThYTw/onPUPNk2ZZCWVTWVSvCLOcvLarGgTTdcMMQSdWNjEJM8oLgPy++1i4Xa6gL5siS7 ujNVBxzG4opuP3SJoIlceKOaqgB2eWeRPi0MZsVM3BOlKgYOpBmjPI9uTsa4vJkyvFT/E1IGEy3Vf UQaP0hwXXD620NZHVuoQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ohCzq-00Dlxt-IU; Sat, 08 Oct 2022 16:48:18 +0000 Received: from mxout1.routing.net ([2a03:2900:1:a::a]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ohCzn-00DlvV-2k; Sat, 08 Oct 2022 16:48:16 +0000 Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout1.routing.net (Postfix) with ESMTP id 03C8940111; Sat, 8 Oct 2022 16:48:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1665247690; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=DxNxzdYg2Gd1UoiiK/RSd/MZ7RJMS/NxPqm3JHVevEI=; b=v05q0/shnTZpdt0ltREShkAQJu6etlGixgI+/hhmxQIWaT/YqZ1mSi9NJEIMdFzf6gXmGa PTHY4Q1bBLvau9HM1pvOswnfX0ZljX4ShI35/jIgzr/6sY/zKi1qTywF+xQgOGfxhXr/U+ oAQZbmiepXphvtQ3pEiZNfaCgTwKdbo= Received: from frank-G5.. (fttx-pool-217.61.149.60.bambit.de [217.61.149.60]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id 3B9F310042C; Sat, 8 Oct 2022 16:48:09 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: Sam Shih , Sean Wang , Linus Walleij , Matthias Brugger , linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Frank Wunderlich Subject: [PATCH] pinctrl: mediatek: allow configuring uart rx/tx and rts/cts separately Date: Sat, 8 Oct 2022 18:48:06 +0200 Message-Id: <20221008164807.113590-1-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Mail-ID: 9c542c94-e206-4f0b-99de-2c03d23c5142 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221008_094815_294999_181381AE X-CRM114-Status: UNSURE ( 8.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sam Shih Some mt7986 boards use uart rts/cts pins as gpio, This patch allows to change rts/cts to gpio mode, but keep rx/tx as UART function. Signed-off-by: Frank Wunderlich Signed-off-by: Sam Shih --- drivers/pinctrl/mediatek/pinctrl-mt7986.c | 32 ++++++++++++++++++----- 1 file changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7986.c b/drivers/pinctrl/mediatek/pinctrl-mt7986.c index f26869f1a367..95f32e62e02f 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mt7986.c +++ b/drivers/pinctrl/mediatek/pinctrl-mt7986.c @@ -675,11 +675,17 @@ static int mt7986_uart1_1_funcs[] = { 4, 4, 4, 4, }; static int mt7986_spi1_2_pins[] = { 29, 30, 31, 32, }; static int mt7986_spi1_2_funcs[] = { 1, 1, 1, 1, }; -static int mt7986_uart1_2_pins[] = { 29, 30, 31, 32, }; -static int mt7986_uart1_2_funcs[] = { 3, 3, 3, 3, }; +static int mt7986_uart1_2_rx_tx_pins[] = { 29, 30, }; +static int mt7986_uart1_2_rx_tx_funcs[] = { 3, 3, }; -static int mt7986_uart2_0_pins[] = { 29, 30, 31, 32, }; -static int mt7986_uart2_0_funcs[] = { 4, 4, 4, 4, }; +static int mt7986_uart1_2_cts_rts_pins[] = { 31, 32, }; +static int mt7986_uart1_2_cts_rts_funcs[] = { 3, 3, }; + +static int mt7986_uart2_0_rx_tx_pins[] = { 29, 30, }; +static int mt7986_uart2_0_rx_tx_funcs[] = { 4, 4, }; + +static int mt7986_uart2_0_cts_rts_pins[] = { 31, 32, }; +static int mt7986_uart2_0_cts_rts_funcs[] = { 4, 4, }; static int mt7986_spi0_pins[] = { 33, 34, 35, 36, }; static int mt7986_spi0_funcs[] = { 1, 1, 1, 1, }; @@ -708,6 +714,12 @@ static int mt7986_pcie_reset_funcs[] = { 1, }; static int mt7986_uart1_pins[] = { 42, 43, 44, 45, }; static int mt7986_uart1_funcs[] = { 1, 1, 1, 1, }; +static int mt7986_uart1_rx_tx_pins[] = { 42, 43, }; +static int mt7986_uart1_rx_tx_funcs[] = { 1, 1, }; + +static int mt7986_uart1_cts_rts_pins[] = { 44, 45, }; +static int mt7986_uart1_cts_rts_funcs[] = { 1, 1, }; + static int mt7986_uart2_pins[] = { 46, 47, 48, 49, }; static int mt7986_uart2_funcs[] = { 1, 1, 1, 1, }; @@ -749,6 +761,8 @@ static const struct group_desc mt7986_groups[] = { PINCTRL_PIN_GROUP("wifi_led", mt7986_wifi_led), PINCTRL_PIN_GROUP("i2c", mt7986_i2c), PINCTRL_PIN_GROUP("uart1_0", mt7986_uart1_0), + PINCTRL_PIN_GROUP("uart1_rx_tx", mt7986_uart1_rx_tx), + PINCTRL_PIN_GROUP("uart1_cts_rts", mt7986_uart1_cts_rts), PINCTRL_PIN_GROUP("pcie_clk", mt7986_pcie_clk), PINCTRL_PIN_GROUP("pcie_wake", mt7986_pcie_wake), PINCTRL_PIN_GROUP("spi1_0", mt7986_spi1_0), @@ -760,8 +774,10 @@ static const struct group_desc mt7986_groups[] = { PINCTRL_PIN_GROUP("spi1_1", mt7986_spi1_1), PINCTRL_PIN_GROUP("uart1_1", mt7986_uart1_1), PINCTRL_PIN_GROUP("spi1_2", mt7986_spi1_2), - PINCTRL_PIN_GROUP("uart1_2", mt7986_uart1_2), - PINCTRL_PIN_GROUP("uart2_0", mt7986_uart2_0), + PINCTRL_PIN_GROUP("uart1_2_rx_tx", mt7986_uart1_2_rx_tx), + PINCTRL_PIN_GROUP("uart1_2_cts_rts", mt7986_uart1_2_cts_rts), + PINCTRL_PIN_GROUP("uart2_0_rx_tx", mt7986_uart2_0_rx_tx), + PINCTRL_PIN_GROUP("uart2_0_cts_rts", mt7986_uart2_0_cts_rts), PINCTRL_PIN_GROUP("spi0", mt7986_spi0), PINCTRL_PIN_GROUP("spi0_wp_hold", mt7986_spi0_wp_hold), PINCTRL_PIN_GROUP("uart2_1", mt7986_uart2_1), @@ -800,7 +816,9 @@ static const char *mt7986_pwm_groups[] = { "pwm0", "pwm1_0", "pwm1_1", }; static const char *mt7986_spi_groups[] = { "spi0", "spi0_wp_hold", "spi1_0", "spi1_1", "spi1_2", "spi1_3", }; static const char *mt7986_uart_groups[] = { - "uart1_0", "uart1_1", "uart1_2", "uart1_3_rx_tx", "uart1_3_cts_rts", + "uart1_0", "uart1_1", "uart1_rx_tx", "uart1_cts_rts", + "uart1_2_rx_tx", "uart1_2_cts_rts", + "uart1_3_rx_tx", "uart1_3_cts_rts", "uart2_0_rx_tx", "uart2_0_cts_rts", "uart2_0", "uart2_1", "uart0", "uart1", "uart2", }; static const char *mt7986_wdt_groups[] = { "watchdog", };