Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753628AbaGGPNK (ORCPT ); Mon, 7 Jul 2014 11:13:10 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:35845 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752040AbaGGPMV (ORCPT ); Mon, 7 Jul 2014 11:12:21 -0400 From: "Ivan T. Ivanov" To: Linus Walleij , Grant Likely , Rob Herring Cc: "Ivan T. Ivanov" , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 3/4] pinctrl: qcom: Add PM8941 and PM8941 pinctrl drivers Date: Mon, 7 Jul 2014 18:11:32 +0300 Message-Id: <1404745893-6379-4-git-send-email-iivanov@mm-sol.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1404745893-6379-1-git-send-email-iivanov@mm-sol.com> References: <1404745893-6379-1-git-send-email-iivanov@mm-sol.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Ivan T. Ivanov" Add new pinctrl driver for GPIO and MPP subfunctions found in Qualcomm PMIC chips. Signed-off-by: Ivan T. Ivanov --- drivers/pinctrl/Kconfig | 17 +++++++ drivers/pinctrl/Makefile | 2 + drivers/pinctrl/pinctrl-pm8841.c | 84 +++++++++++++++++++++++++++++++++++ drivers/pinctrl/pinctrl-pm8941.c | 96 ++++++++++++++++++++++++++++++++++++++++ 4 files changed, 199 insertions(+) create mode 100644 drivers/pinctrl/pinctrl-pm8841.c create mode 100644 drivers/pinctrl/pinctrl-pm8941.c diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 297c84d..914f43c 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -383,6 +383,23 @@ config PINCTRL_PALMAS open drain configuration for the Palmas series devices like TPS65913, TPS80036 etc. +config PINCTRL_PM8841 + tristate "Qualcomm PM8841 pin controller driver" + depends on OF + select PINCTRL_QPNP + help + This is the pinctrl, pinmux, pinconf and gpiolib driver for the + Qualcomm MPP subfunction block found in the Qualcomm PM8841 PMIC chip. + +config PINCTRL_PM8941 + tristate "Qualcomm PM8941 pin controller driver" + depends on OF + select PINCTRL_QPNP + help + This is the pinctrl, pinmux, pinconf and gpiolib driver for the + Qualcomm MPP and GPIO subfunction block found in the Qualcomm PM8941 + PMIC chip. + config PINCTRL_QPNP bool select PINMUX diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index bfbdba1..3d1fe38 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -47,6 +47,8 @@ obj-$(CONFIG_PINCTRL_STN8815) += pinctrl-nomadik-stn8815.o obj-$(CONFIG_PINCTRL_DB8500) += pinctrl-nomadik-db8500.o obj-$(CONFIG_PINCTRL_DB8540) += pinctrl-nomadik-db8540.o obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o +obj-$(CONFIG_PINCTRL_PM8841) += pinctrl-pm8841.o +obj-$(CONFIG_PINCTRL_PM8941) += pinctrl-pm8941.o obj-$(CONFIG_PINCTRL_QPNP) += pinctrl-qpnp.o obj-$(CONFIG_PINCTRL_ROCKCHIP) += pinctrl-rockchip.o obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o diff --git a/drivers/pinctrl/pinctrl-pm8841.c b/drivers/pinctrl/pinctrl-pm8841.c new file mode 100644 index 0000000..0e46536 --- /dev/null +++ b/drivers/pinctrl/pinctrl-pm8841.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include + +#include "pinctrl-qpnp.h" + +#define PM8841_MPP_CNT 4 + +static int pm8841_pinctrl_probe(struct platform_device *qdev) +{ + struct device *dev = &qdev->dev; + struct qpnp_pinctrl_info *data; + struct pinctrl_pin_desc *desc; + struct qpnp_padinfo *pads; + struct resource *res; + int idx, number; + + res = platform_get_resource(qdev, IORESOURCE_REG, 0); + if (!res) + return -ENXIO; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + pads = devm_kzalloc(dev, sizeof(*pads) * PM8841_MPP_CNT, GFP_KERNEL); + if (!pads) + return -ENOMEM; + + desc = devm_kzalloc(dev, sizeof(*desc) * PM8841_MPP_CNT, GFP_KERNEL); + if (!desc) + return -ENOMEM; + + data->npads = PM8841_MPP_CNT; + data->pads = pads; + data->desc = desc; + number = 0; + + for (idx = 0; idx < PM8841_MPP_CNT; idx++, pads++, desc++) { + snprintf(pads->name, ARRAY_SIZE(pads->name), "mpp%d", idx + 1); + pads->base = res->start + (idx * 0x100); + desc->number = number++; + desc->name = pads->name; + } + + return qpnp_pinctrl_probe(qdev, data); +} + +static const struct of_device_id pm8841_pinctrl_of_match[] = { + { .compatible = "qcom,pm8841-pinctrl", }, + { }, +}; +MODULE_DEVICE_TABLE(of, pm8841_pinctrl_of_match); + +static struct platform_driver pm8841_pinctrl_driver = { + .driver = { + .name = "pm8841-pinctrl", + .owner = THIS_MODULE, + .of_match_table = pm8841_pinctrl_of_match, + }, + .probe = pm8841_pinctrl_probe, + .remove = qpnp_pinctrl_remove, +}; +module_platform_driver(pm8841_pinctrl_driver); + +MODULE_AUTHOR("Ivan T. Ivanov "); +MODULE_DESCRIPTION("Qualcomm PM8841 pin control driver"); +MODULE_ALIAS("platform:pm8841-pinctrl"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/pinctrl/pinctrl-pm8941.c b/drivers/pinctrl/pinctrl-pm8941.c new file mode 100644 index 0000000..c3817e8 --- /dev/null +++ b/drivers/pinctrl/pinctrl-pm8941.c @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include + +#include "pinctrl-qpnp.h" + +#define PM8941_MPP_CNT 8 +#define PM8941_GPIO_CNT 36 +#define PM8941_PAD_CNT (PM8941_MPP_CNT + PM8941_GPIO_CNT) + +static int pm8941_pinctrl_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct qpnp_pinctrl_info *data; + struct pinctrl_pin_desc *desc; + struct qpnp_padinfo *pads; + struct resource *gpios, *mpps; + int idx, number; + + mpps = platform_get_resource(pdev, IORESOURCE_REG, 0); + if (!mpps) + return -ENXIO; + + gpios = platform_get_resource(pdev, IORESOURCE_REG, 1); + if (!gpios) + return -ENXIO; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + pads = devm_kzalloc(dev, sizeof(*pads) * PM8941_PAD_CNT, GFP_KERNEL); + if (!pads) + return -ENOMEM; + + desc = devm_kzalloc(dev, sizeof(*desc) * PM8941_PAD_CNT, GFP_KERNEL); + if (!desc) + return -ENOMEM; + + data->npads = PM8941_PAD_CNT; + data->pads = pads; + data->desc = desc; + number = 0; + + for (idx = 0; idx < PM8941_MPP_CNT; idx++, pads++, desc++) { + snprintf(pads->name, ARRAY_SIZE(pads->name), "mpp%d", idx + 1); + pads->base = mpps->start + (idx * 0x100); + desc->number = number++; + desc->name = pads->name; + } + + for (idx = 0; idx < PM8941_GPIO_CNT; idx++, pads++, desc++) { + snprintf(pads->name, ARRAY_SIZE(pads->name), "gpio%d", idx + 1); + pads->base = gpios->start + (idx * 0x100); + desc->number = number++; + desc->name = pads->name; + } + + return qpnp_pinctrl_probe(pdev, data); +} + +static const struct of_device_id pm8941_pinctrl_of_match[] = { + { .compatible = "qcom,pm8941-pinctrl", }, + { }, +}; +MODULE_DEVICE_TABLE(of, pm8941_pinctrl_of_match); + +static struct platform_driver pm8941_pinctrl_driver = { + .driver = { + .name = "pm8941-pinctrl", + .owner = THIS_MODULE, + .of_match_table = pm8941_pinctrl_of_match, + }, + .probe = pm8941_pinctrl_probe, + .remove = qpnp_pinctrl_remove, +}; +module_platform_driver(pm8941_pinctrl_driver); + +MODULE_AUTHOR("Ivan T. Ivanov "); +MODULE_DESCRIPTION("Qualcomm PM8841 pin control driver"); +MODULE_ALIAS("platform:pm8941-pinctrl"); +MODULE_LICENSE("GPL v2"); -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/