From patchwork Wed Aug 10 09:32:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrice CHOTARD X-Patchwork-Id: 12940390 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 345FEC25B06 for ; Wed, 10 Aug 2022 09:32:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232129AbiHJJcu (ORCPT ); Wed, 10 Aug 2022 05:32:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232124AbiHJJcr (ORCPT ); Wed, 10 Aug 2022 05:32:47 -0400 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 066056DFA5; Wed, 10 Aug 2022 02:32:45 -0700 (PDT) Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27A6F2IP021957; Wed, 10 Aug 2022 11:32:22 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=qovgCI/rHlWBP9Q7xRWBKX4sBON8udJGHElHZMj6Q8E=; b=Wh4gYNe19Yna6st6HBElBHToRUdGcX4tPC6aCwvdRYtjz7vvXVJKAiv11P9p+rpjxl+c mmfhbR4celeu4R5LCG4p+8P0JrdRKXePyI/YbJ0cDcuOPqGpnJBd5gUsVufstPkzK6Hb eIq3/M4EdN4BBbUZOPL8Cu4/IgReb/kOdSjH+ZI4qshdVugf/l4zOGCHsMgDFPOsgXxh AFJkOKd+R1JCW8dLhvdNmAdMHNuJUJ1+g+dUbm9q3RYGSG1rMoSgkw37p9xuDDrMF0lO y63MhQAZK6PWX3kjdRw5QtGJ2CynAgg7j964nsxnjxJ+AHfhosb7G4Fu4V2CbgwZjZyn mg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3huwr4kk9a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Aug 2022 11:32:22 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 0CB9010002A; Wed, 10 Aug 2022 11:32:22 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 075E021B52F; Wed, 10 Aug 2022 11:32:22 +0200 (CEST) Received: from localhost (10.75.127.46) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.20; Wed, 10 Aug 2022 11:32:21 +0200 From: To: Mark Brown , Alexandre Torgue CC: , , , , , Subject: [PATCH v2 2/2] ARM: dts: stm32: Create separate pinmux for qspi cs pin in stm32mp15-pinctrl.dtsi Date: Wed, 10 Aug 2022 11:32:15 +0200 Message-ID: <20220810093215.794977-3-patrice.chotard@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220810093215.794977-1-patrice.chotard@foss.st.com> References: <20220810093215.794977-1-patrice.chotard@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-10_04,2022-08-09_02,2022-06-22_01 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Patrice Chotard Create a separate pinmux for qspi chip select in stm32mp15-pinctrl.dtsi. In the case we want to use transfer_one() API to communicate with a SPI device, chip select signal must be driven individually. Signed-off-by: Patrice Chotard --- arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 50 ++++++++++++++++-------- arch/arm/boot/dts/stm32mp157c-ev1.dts | 12 +++++- 2 files changed, 43 insertions(+), 19 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi index 6052243ad81c..ade4fab45f14 100644 --- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi +++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi @@ -1189,7 +1189,7 @@ pins { }; qspi_bk1_pins_a: qspi-bk1-0 { - pins1 { + pins { pinmux = , /* QSPI_BK1_IO0 */ , /* QSPI_BK1_IO1 */ , /* QSPI_BK1_IO2 */ @@ -1198,12 +1198,6 @@ pins1 { drive-push-pull; slew-rate = <1>; }; - pins2 { - pinmux = ; /* QSPI_BK1_NCS */ - bias-pull-up; - drive-push-pull; - slew-rate = <1>; - }; }; qspi_bk1_sleep_pins_a: qspi-bk1-sleep-0 { @@ -1211,13 +1205,12 @@ pins { pinmux = , /* QSPI_BK1_IO0 */ , /* QSPI_BK1_IO1 */ , /* QSPI_BK1_IO2 */ - , /* QSPI_BK1_IO3 */ - ; /* QSPI_BK1_NCS */ + ; /* QSPI_BK1_IO3 */ }; }; qspi_bk2_pins_a: qspi-bk2-0 { - pins1 { + pins { pinmux = , /* QSPI_BK2_IO0 */ , /* QSPI_BK2_IO1 */ , /* QSPI_BK2_IO2 */ @@ -1226,7 +1219,34 @@ pins1 { drive-push-pull; slew-rate = <1>; }; - pins2 { + }; + + qspi_bk2_sleep_pins_a: qspi-bk2-sleep-0 { + pins { + pinmux = , /* QSPI_BK2_IO0 */ + , /* QSPI_BK2_IO1 */ + , /* QSPI_BK2_IO2 */ + ; /* QSPI_BK2_IO3 */ + }; + }; + + qspi_cs1_pins_a: qspi-cs1-0 { + pins { + pinmux = ; /* QSPI_BK1_NCS */ + bias-pull-up; + drive-push-pull; + slew-rate = <1>; + }; + }; + + qspi_cs1_sleep_pins_a: qspi-cs1-sleep-0 { + pins { + pinmux = ; /* QSPI_BK1_NCS */ + }; + }; + + qspi_cs2_pins_a: qspi-cs2-0 { + pins { pinmux = ; /* QSPI_BK2_NCS */ bias-pull-up; drive-push-pull; @@ -1234,13 +1254,9 @@ pins2 { }; }; - qspi_bk2_sleep_pins_a: qspi-bk2-sleep-0 { + qspi_cs2_sleep_pins_a: qspi-cs2-sleep-0 { pins { - pinmux = , /* QSPI_BK2_IO0 */ - , /* QSPI_BK2_IO1 */ - , /* QSPI_BK2_IO2 */ - , /* QSPI_BK2_IO3 */ - ; /* QSPI_BK2_NCS */ + pinmux = ; /* QSPI_BK2_NCS */ }; }; diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts index d142dd30e16b..050c3c27a420 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -255,8 +255,16 @@ &m_can1 { &qspi { pinctrl-names = "default", "sleep"; - pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a &qspi_bk2_pins_a>; - pinctrl-1 = <&qspi_clk_sleep_pins_a &qspi_bk1_sleep_pins_a &qspi_bk2_sleep_pins_a>; + pinctrl-0 = <&qspi_clk_pins_a + &qspi_bk1_pins_a + &qspi_cs1_pins_a + &qspi_bk2_pins_a + &qspi_cs2_pins_a>; + pinctrl-1 = <&qspi_clk_sleep_pins_a + &qspi_bk1_sleep_pins_a + &qspi_cs1_sleep_pins_a + &qspi_bk2_sleep_pins_a + &qspi_cs2_sleep_pins_a>; reg = <0x58003000 0x1000>, <0x70000000 0x4000000>; #address-cells = <1>; #size-cells = <0>;