From patchwork Fri Nov 18 01:11:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hal Feng X-Patchwork-Id: 626355 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 1C9BAC4332F for ; Fri, 18 Nov 2022 01:47:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239612AbiKRBrZ convert rfc822-to-8bit (ORCPT ); Thu, 17 Nov 2022 20:47:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240254AbiKRBrO (ORCPT ); Thu, 17 Nov 2022 20:47:14 -0500 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC03C7A361; Thu, 17 Nov 2022 17:47:12 -0800 (PST) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id C30CD24E0AC; Fri, 18 Nov 2022 09:11:14 +0800 (CST) Received: from EXMBX072.cuchost.com (172.16.6.82) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 18 Nov 2022 09:11:14 +0800 Received: from ubuntu.localdomain (183.27.96.116) by EXMBX072.cuchost.com (172.16.6.82) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 18 Nov 2022 09:11:14 +0800 From: Hal Feng To: , , CC: Conor Dooley , Palmer Dabbelt , "Rob Herring" , Krzysztof Kozlowski , Linus Walleij , Emil Renner Berthing , Hal Feng , Jianlong Huang , Subject: [PATCH v2 5/5] pinctrl: starfive: Add StarFive JH7110 aon controller driver Date: Fri, 18 Nov 2022 09:11:08 +0800 Message-ID: <20221118011108.70715-6-hal.feng@starfivetech.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221118011108.70715-1-hal.feng@starfivetech.com> References: <20221118011108.70715-1-hal.feng@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [183.27.96.116] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX072.cuchost.com (172.16.6.82) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Jianlong Huang Add pinctrl driver for StarFive JH7110 SoC aon pinctrl controller. Co-developed-by: Emil Renner Berthing Signed-off-by: Emil Renner Berthing Signed-off-by: Jianlong Huang Signed-off-by: Hal Feng --- drivers/pinctrl/starfive/Makefile | 2 +- drivers/pinctrl/starfive/pinctrl-jh7110-aon.c | 192 ++++++++++++++++++ 2 files changed, 193 insertions(+), 1 deletion(-) create mode 100644 drivers/pinctrl/starfive/pinctrl-jh7110-aon.c diff --git a/drivers/pinctrl/starfive/Makefile b/drivers/pinctrl/starfive/Makefile index 404929f760e8..17cdd1b0e650 100644 --- a/drivers/pinctrl/starfive/Makefile +++ b/drivers/pinctrl/starfive/Makefile @@ -5,4 +5,4 @@ obj-$(CONFIG_PINCTRL_STARFIVE) += pinctrl-starfive.o # SoC Drivers obj-$(CONFIG_PINCTRL_STARFIVE_JH7100) += pinctrl-starfive-jh7100.o -obj-$(CONFIG_PINCTRL_STARFIVE_JH7110) += pinctrl-jh7110-sys.o +obj-$(CONFIG_PINCTRL_STARFIVE_JH7110) += pinctrl-jh7110-sys.o pinctrl-jh7110-aon.o diff --git a/drivers/pinctrl/starfive/pinctrl-jh7110-aon.c b/drivers/pinctrl/starfive/pinctrl-jh7110-aon.c new file mode 100644 index 000000000000..7929ecbc03e6 --- /dev/null +++ b/drivers/pinctrl/starfive/pinctrl-jh7110-aon.c @@ -0,0 +1,192 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl / GPIO driver for StarFive JH7110 SoC aon controller + * + * Copyright (C) 2022 StarFive Technology Co., Ltd. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "../core.h" +#include "../pinconf.h" +#include "../pinmux.h" +#include "pinctrl-starfive.h" + +#define JH7110_AON_NGPIO 4 +#define JH7110_AON_GC_BASE 64 + +/* registers */ +#define JH7110_AON_DOEN 0x0 +#define JH7110_AON_DOUT 0x4 +#define JH7110_AON_GPI 0x8 +#define JH7110_AON_GPIOIN 0x2c + +#define JH7110_AON_GPIOEN 0xc +#define JH7110_AON_GPIOIS 0x10 +#define JH7110_AON_GPIOIC 0x14 +#define JH7110_AON_GPIOIBE 0x18 +#define JH7110_AON_GPIOIEV 0x1c +#define JH7110_AON_GPIOIE 0x20 +#define JH7110_AON_GPIORIS 0x28 +#define JH7110_AON_GPIOMIS 0x28 + +#define AON_GPO_PDA_0_5_CFG 0x30 + +static const struct pinctrl_pin_desc jh7110_aon_pins[] = { + PINCTRL_PIN(PAD_TESTEN, "TESTEN"), + PINCTRL_PIN(PAD_RGPIO0, "RGPIO0"), + PINCTRL_PIN(PAD_RGPIO1, "RGPIO1"), + PINCTRL_PIN(PAD_RGPIO2, "RGPIO2"), + PINCTRL_PIN(PAD_RGPIO3, "RGPIO3"), + PINCTRL_PIN(PAD_RSTN, "RSTN"), + PINCTRL_PIN(PAD_GMAC0_MDC, "GMAC0_MDC"), + PINCTRL_PIN(PAD_GMAC0_MDIO, "GMAC0_MDIO"), + PINCTRL_PIN(PAD_GMAC0_RXD0, "GMAC0_RXD0"), + PINCTRL_PIN(PAD_GMAC0_RXD1, "GMAC0_RXD1"), + PINCTRL_PIN(PAD_GMAC0_RXD2, "GMAC0_RXD2"), + PINCTRL_PIN(PAD_GMAC0_RXD3, "GMAC0_RXD3"), + PINCTRL_PIN(PAD_GMAC0_RXDV, "GMAC0_RXDV"), + PINCTRL_PIN(PAD_GMAC0_RXC, "GMAC0_RXC"), + PINCTRL_PIN(PAD_GMAC0_TXD0, "GMAC0_TXD0"), + PINCTRL_PIN(PAD_GMAC0_TXD1, "GMAC0_TXD1"), + PINCTRL_PIN(PAD_GMAC0_TXD2, "GMAC0_TXD2"), + PINCTRL_PIN(PAD_GMAC0_TXD3, "GMAC0_TXD3"), + PINCTRL_PIN(PAD_GMAC0_TXEN, "GMAC0_TXEN"), + PINCTRL_PIN(PAD_GMAC0_TXC, "GMAC0_TXC"), +}; + +static int jh7110_aon_set_one_pin_mux(struct starfive_pinctrl *sfp, + unsigned int pin, + unsigned int din, u32 dout, + u32 doen, u32 func) +{ + if (pin < sfp->gc.ngpio && func == 0) + starfive_set_gpiomux(sfp, pin, din, dout, doen); + + return 0; +} + +static int jh7110_aon_get_padcfg_base(struct starfive_pinctrl *sfp, + unsigned int pin) +{ + if (pin < PAD_GMAC0_MDC) + return AON_GPO_PDA_0_5_CFG; + + return -1; +} + +static void jh7110_aon_irq_handler(struct irq_desc *desc) +{ + struct starfive_pinctrl *sfp = starfive_from_irq_desc(desc); + struct irq_chip *chip = irq_desc_get_chip(desc); + unsigned long mis; + unsigned int pin; + + chained_irq_enter(chip, desc); + + mis = readl_relaxed(sfp->base + JH7110_AON_GPIOMIS); + for_each_set_bit(pin, &mis, JH7110_AON_NGPIO) + generic_handle_domain_irq(sfp->gc.irq.domain, pin); + + chained_irq_exit(chip, desc); +} + +static int jh7110_aon_init_hw(struct gpio_chip *gc) +{ + struct starfive_pinctrl *sfp = container_of(gc, + struct starfive_pinctrl, gc); + + /* mask all GPIO interrupts */ + writel_relaxed(0, sfp->base + JH7110_AON_GPIOIE); + /* clear edge interrupt flags */ + writel_relaxed(0, sfp->base + JH7110_AON_GPIOIC); + writel_relaxed(0x0f, sfp->base + JH7110_AON_GPIOIC); + /* enable GPIO interrupts */ + writel_relaxed(1, sfp->base + JH7110_AON_GPIOEN); + return 0; +} + +static const struct starfive_gpio_irq_reg jh7110_aon_irq_reg = { + .is_reg_base = JH7110_AON_GPIOIS, + .ic_reg_base = JH7110_AON_GPIOIC, + .ibe_reg_base = JH7110_AON_GPIOIBE, + .iev_reg_base = JH7110_AON_GPIOIEV, + .ie_reg_base = JH7110_AON_GPIOIE, + .ris_reg_base = JH7110_AON_GPIORIS, + .mis_reg_base = JH7110_AON_GPIOMIS, +}; + +static const struct starfive_pinctrl_soc_info jh7110_aon_pinctrl_info = { + .pins = jh7110_aon_pins, + .npins = ARRAY_SIZE(jh7110_aon_pins), + .ngpios = JH7110_AON_NGPIO, + .gc_base = JH7110_AON_GC_BASE, + .flags = 1, + .dout_reg_base = JH7110_AON_DOUT, + .dout_mask = GENMASK(3, 0), + .doen_reg_base = JH7110_AON_DOEN, + .doen_mask = GENMASK(2, 0), + .gpi_reg_base = JH7110_AON_GPI, + .gpi_mask = GENMASK(3, 0), + .gpioin_reg_base = JH7110_AON_GPIOIN, + .irq_reg = &jh7110_aon_irq_reg, + .starfive_set_one_pin_mux = jh7110_aon_set_one_pin_mux, + .starfive_get_padcfg_base = jh7110_aon_get_padcfg_base, + .starfive_gpio_irq_handler = jh7110_aon_irq_handler, + .starfive_gpio_init_hw = jh7110_aon_init_hw, +}; + +static const struct of_device_id jh7110_aon_pinctrl_of_match[] = { + { + .compatible = "starfive,jh7110-aon-pinctrl", + .data = &jh7110_aon_pinctrl_info, + }, + { /* sentinel */ } +}; + +static int jh7110_aon_pinctrl_probe(struct platform_device *pdev) +{ + const struct starfive_pinctrl_soc_info *pinctrl_info; + + pinctrl_info = of_device_get_match_data(&pdev->dev); + if (!pinctrl_info) + return -ENODEV; + + return starfive_pinctrl_probe(pdev, pinctrl_info); +} + +static struct platform_driver jh7110_aon_pinctrl_driver = { + .driver = { + .name = "starfive-jh7110-aon-pinctrl", + .of_match_table = of_match_ptr(jh7110_aon_pinctrl_of_match), + }, + .probe = jh7110_aon_pinctrl_probe, +}; + +static int __init jh7110_aon_pinctrl_init(void) +{ + return platform_driver_register(&jh7110_aon_pinctrl_driver); +} +arch_initcall(jh7110_aon_pinctrl_init); + +MODULE_DESCRIPTION("Pinctrl driver for the StarFive JH7110 SoC aon controller"); +MODULE_AUTHOR("Jianlong Huang ");