Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753504AbeAFO0S (ORCPT + 1 other); Sat, 6 Jan 2018 09:26:18 -0500 Received: from mail.kmu-office.ch ([178.209.48.109]:47020 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753386AbeAFO0J (ORCPT ); Sat, 6 Jan 2018 09:26:09 -0500 From: Stefan Agner To: linus.walleij@linaro.org, shawnguo@kernel.org, kernel@pengutronix.de Cc: fabio.estevam@nxp.com, aisheng.dong@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bai Ping , Stefan Agner Subject: [PATCH v2 5/5] pinctrl: imx6ul: add IOMUXC SNVS pinctrl driver for i.MX 6ULL Date: Sat, 6 Jan 2018 15:25:53 +0100 Message-Id: <20180106142553.15322-6-stefan@agner.ch> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180106142553.15322-1-stefan@agner.ch> References: <20180106142553.15322-1-stefan@agner.ch> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: From: Bai Ping On i.MX 6ULL, the BOOT_MODEx and TAMPERx pin MUX and CTRL registers are available in a separate IOMUXC_SNVS module. Add support for the IOMUXC_SNVS module to the i.MX 6UL pinctrl driver. Signed-off-by: Bai Ping Signed-off-by: Stefan Agner Reviewed-by: Rob Herring --- .../bindings/pinctrl/fsl,imx6ul-pinctrl.txt | 3 +- drivers/pinctrl/freescale/pinctrl-imx6ul.c | 52 ++++++++++++++++++++-- 2 files changed, 50 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt index a81bbf37ed66..7ca4f6118d9a 100644 --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt @@ -4,7 +4,8 @@ Please refer to fsl,imx-pinctrl.txt in this directory for common binding part and usage. Required properties: -- compatible: "fsl,imx6ul-iomuxc" +- compatible: "fsl,imx6ul-iomuxc" for main IOMUX controller or + "fsl,imx6ull-iomuxc-snvs" for i.MX 6ULL's SNVS IOMUX controller. - fsl,pins: each entry consists of 6 integers and represents the mux and config setting for one pin. The first 5 integers are specified using a PIN_FUNC_ID macro, which can be found in diff --git a/drivers/pinctrl/freescale/pinctrl-imx6ul.c b/drivers/pinctrl/freescale/pinctrl-imx6ul.c index 1aeb840aae1d..4580717ade19 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx6ul.c +++ b/drivers/pinctrl/freescale/pinctrl-imx6ul.c @@ -150,6 +150,21 @@ enum imx6ul_pads { MX6UL_PAD_CSI_DATA07 = 128, }; +enum imx6ull_lpsr_pads { + MX6ULL_PAD_BOOT_MODE0 = 0, + MX6ULL_PAD_BOOT_MODE1 = 1, + MX6ULL_PAD_SNVS_TAMPER0 = 2, + MX6ULL_PAD_SNVS_TAMPER1 = 3, + MX6ULL_PAD_SNVS_TAMPER2 = 4, + MX6ULL_PAD_SNVS_TAMPER3 = 5, + MX6ULL_PAD_SNVS_TAMPER4 = 6, + MX6ULL_PAD_SNVS_TAMPER5 = 7, + MX6ULL_PAD_SNVS_TAMPER6 = 8, + MX6ULL_PAD_SNVS_TAMPER7 = 9, + MX6ULL_PAD_SNVS_TAMPER8 = 10, + MX6ULL_PAD_SNVS_TAMPER9 = 11, +}; + /* Pad names for the pinmux subsystem */ static const struct pinctrl_pin_desc imx6ul_pinctrl_pads[] = { IMX_PINCTRL_PIN(MX6UL_PAD_RESERVE0), @@ -283,20 +298,49 @@ static const struct pinctrl_pin_desc imx6ul_pinctrl_pads[] = { IMX_PINCTRL_PIN(MX6UL_PAD_CSI_DATA07), }; -static struct imx_pinctrl_soc_info imx6ul_pinctrl_info = { +/* pad for i.MX6ULL lpsr pinmux */ +static const struct pinctrl_pin_desc imx6ull_snvs_pinctrl_pads[] = { + IMX_PINCTRL_PIN(MX6ULL_PAD_BOOT_MODE0), + IMX_PINCTRL_PIN(MX6ULL_PAD_BOOT_MODE1), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER0), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER1), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER2), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER3), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER4), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER5), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER6), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER7), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER8), + IMX_PINCTRL_PIN(MX6ULL_PAD_SNVS_TAMPER9), +}; + +static const struct imx_pinctrl_soc_info imx6ul_pinctrl_info = { .pins = imx6ul_pinctrl_pads, .npins = ARRAY_SIZE(imx6ul_pinctrl_pads), .gpr_compatible = "fsl,imx6ul-iomuxc-gpr", }; -static struct of_device_id imx6ul_pinctrl_of_match[] = { - { .compatible = "fsl,imx6ul-iomuxc", }, +static const struct imx_pinctrl_soc_info imx6ull_snvs_pinctrl_info = { + .pins = imx6ull_snvs_pinctrl_pads, + .npins = ARRAY_SIZE(imx6ull_snvs_pinctrl_pads), + .flags = ZERO_OFFSET_VALID, +}; + +static const struct of_device_id imx6ul_pinctrl_of_match[] = { + { .compatible = "fsl,imx6ul-iomuxc", .data = &imx6ul_pinctrl_info, }, + { .compatible = "fsl,imx6ull-iomuxc-snvs", .data = &imx6ull_snvs_pinctrl_info, }, { /* sentinel */ } }; static int imx6ul_pinctrl_probe(struct platform_device *pdev) { - return imx_pinctrl_probe(pdev, &imx6ul_pinctrl_info); + const struct imx_pinctrl_soc_info *pinctrl_info; + + pinctrl_info = of_device_get_match_data(&pdev->dev); + if (!pinctrl_info) + return -ENODEV; + + return imx_pinctrl_probe(pdev, pinctrl_info); } static struct platform_driver imx6ul_pinctrl_driver = { -- 2.15.1