diff options
author | DENG Qingfang <dengqf6@mail2.sysu.edu.cn> | 2020-03-01 17:06:45 +0800 |
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committer | Chuanhong Guo <gch981213@gmail.com> | 2020-04-04 12:04:13 +0800 |
commit | 6be0da90a165912da7bd56e7bd4d7b2d978b4706 (patch) | |
tree | 00d4d9ccd7a62bfb84a0b27819c6c2145f759af1 /target/linux/ramips/patches-5.4/0028-GPIO-ralink-add-mt7621-gpio-controller.patch | |
parent | d75c9b8f81b1a4f65132a5fed81f0a3fbbbd8fee (diff) | |
download | upstream-6be0da90a165912da7bd56e7bd4d7b2d978b4706.tar.gz upstream-6be0da90a165912da7bd56e7bd4d7b2d978b4706.tar.bz2 upstream-6be0da90a165912da7bd56e7bd4d7b2d978b4706.zip |
ramips: refresh patches
Removed upstreamed/solved elsewhere upstream:
- 0001-MIPS-ralink-Add-rt3352-SPI_CS1-pinmux.patch
- 0002-MIPS-pci-rt2880-set-pci-controller-of_node.patch
- 0004-MIPS-ralink-add-MT7621-pcie-driver.patch
- 0009-PCI-MIPS-enable-PCIe-on-MT7688.patch
- 0025-pinctrl-ralink-add-pinctrl-driver.patch
- 0028-GPIO-ralink-add-mt7621-gpio-controller.patch
- 0043-spi-add-mt7621-support.patch
- 0045-i2c-add-mt7621-driver.patch
- 0047-DMA-ralink-add-rt2880-dma-engine.patch
- 0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch
- 0054-mtd-spi-nor-w25q256-respect-default-mode.patch
- 0099-pci-mt7620.patch
- 304-spi-nor-enable-4B-opcodes-for-mx25l25635f.patch
Removed because of the new NAND driver:
- 0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch
- 0039-mtd-add-mt7621-nand-support.patch
- 0040-nand-hack.patch
Remove patch that no longer applies (needs rework):
- 0034-NET-multi-phy-support.patch
Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
Diffstat (limited to 'target/linux/ramips/patches-5.4/0028-GPIO-ralink-add-mt7621-gpio-controller.patch')
-rw-r--r-- | target/linux/ramips/patches-5.4/0028-GPIO-ralink-add-mt7621-gpio-controller.patch | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/target/linux/ramips/patches-5.4/0028-GPIO-ralink-add-mt7621-gpio-controller.patch b/target/linux/ramips/patches-5.4/0028-GPIO-ralink-add-mt7621-gpio-controller.patch deleted file mode 100644 index debeae2806..0000000000 --- a/target/linux/ramips/patches-5.4/0028-GPIO-ralink-add-mt7621-gpio-controller.patch +++ /dev/null @@ -1,405 +0,0 @@ -From 61ac7d9b4228de8c332900902c2b93189b042eab Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 11:00:32 +0100 -Subject: [PATCH 28/53] GPIO: ralink: add mt7621 gpio controller - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/Kconfig | 3 + - drivers/gpio/Kconfig | 6 + - drivers/gpio/Makefile | 1 + - drivers/gpio/gpio-mt7621.c | 354 ++++++++++++++++++++++++++++++++++++++++++++ - 4 files changed, 364 insertions(+) - create mode 100644 drivers/gpio/gpio-mt7621.c - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -631,6 +631,9 @@ config RALINK - select RESET_CONTROLLER - select PINCTRL - select PINCTRL_RT2880 -+ select ARCH_HAS_RESET_CONTROLLER -+ select RESET_CONTROLLER -+ select ARCH_REQUIRE_GPIOLIB - - config SGI_IP22 - bool "SGI IP22 (Indy/Indigo2)" ---- a/drivers/gpio/Kconfig -+++ b/drivers/gpio/Kconfig -@@ -298,6 +298,12 @@ config GPIO_MENZ127 - help - Say yes here to support the MEN 16Z127 GPIO Controller - -+config GPIO_MT7621 -+ bool "Mediatek GPIO Support" -+ depends on SOC_MT7620 || SOC_MT7621 -+ help -+ Say yes here to support the Mediatek SoC GPIO device -+ - config GPIO_MM_LANTIQ - bool "Lantiq Memory mapped GPIOs" - depends on LANTIQ && SOC_XWAY ---- a/drivers/gpio/Makefile -+++ b/drivers/gpio/Makefile -@@ -152,3 +152,4 @@ obj-$(CONFIG_GPIO_ZEVIO) += gpio-zevio.o - obj-$(CONFIG_GPIO_ZYNQ) += gpio-zynq.o - obj-$(CONFIG_GPIO_ZX) += gpio-zx.o - obj-$(CONFIG_GPIO_LOONGSON1) += gpio-loongson1.o -+obj-$(CONFIG_GPIO_MT7621) += gpio-mt7621.o ---- /dev/null -+++ b/drivers/gpio/gpio-mt7621.c -@@ -0,0 +1,354 @@ -+/* -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published -+ * by the Free Software Foundation. -+ * -+ * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> -+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/io.h> -+#include <linux/err.h> -+#include <linux/gpio.h> -+#include <linux/module.h> -+#include <linux/of_irq.h> -+#include <linux/spinlock.h> -+#include <linux/irqdomain.h> -+#include <linux/interrupt.h> -+#include <linux/platform_device.h> -+ -+#define MTK_MAX_BANK 3 -+#define MTK_BANK_WIDTH 32 -+ -+enum mediatek_gpio_reg { -+ GPIO_REG_CTRL = 0, -+ GPIO_REG_POL, -+ GPIO_REG_DATA, -+ GPIO_REG_DSET, -+ GPIO_REG_DCLR, -+ GPIO_REG_REDGE, -+ GPIO_REG_FEDGE, -+ GPIO_REG_HLVL, -+ GPIO_REG_LLVL, -+ GPIO_REG_STAT, -+ GPIO_REG_EDGE, -+}; -+ -+static void __iomem *mediatek_gpio_membase; -+static int mediatek_gpio_irq; -+static struct irq_domain *mediatek_gpio_irq_domain; -+static atomic_t irq_refcount = ATOMIC_INIT(0); -+ -+struct mtk_gc { -+ struct gpio_chip chip; -+ spinlock_t lock; -+ int bank; -+ u32 rising; -+ u32 falling; -+} *gc_map[MTK_MAX_BANK]; -+ -+static inline struct mtk_gc -+*to_mediatek_gpio(struct gpio_chip *chip) -+{ -+ struct mtk_gc *mgc; -+ -+ mgc = container_of(chip, struct mtk_gc, chip); -+ -+ return mgc; -+} -+ -+static inline void -+mtk_gpio_w32(struct mtk_gc *rg, u8 reg, u32 val) -+{ -+ iowrite32(val, mediatek_gpio_membase + (reg * 0x10) + (rg->bank * 0x4)); -+} -+ -+static inline u32 -+mtk_gpio_r32(struct mtk_gc *rg, u8 reg) -+{ -+ return ioread32(mediatek_gpio_membase + (reg * 0x10) + (rg->bank * 0x4)); -+} -+ -+static void -+mediatek_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ -+ mtk_gpio_w32(rg, (value) ? GPIO_REG_DSET : GPIO_REG_DCLR, BIT(offset)); -+} -+ -+static int -+mediatek_gpio_get(struct gpio_chip *chip, unsigned offset) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ -+ return !!(mtk_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset)); -+} -+ -+static int -+mediatek_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ unsigned long flags; -+ u32 t; -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ t = mtk_gpio_r32(rg, GPIO_REG_CTRL); -+ t &= ~BIT(offset); -+ mtk_gpio_w32(rg, GPIO_REG_CTRL, t); -+ spin_unlock_irqrestore(&rg->lock, flags); -+ -+ return 0; -+} -+ -+static int -+mediatek_gpio_direction_output(struct gpio_chip *chip, -+ unsigned offset, int value) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ unsigned long flags; -+ u32 t; -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ t = mtk_gpio_r32(rg, GPIO_REG_CTRL); -+ t |= BIT(offset); -+ mtk_gpio_w32(rg, GPIO_REG_CTRL, t); -+ mediatek_gpio_set(chip, offset, value); -+ spin_unlock_irqrestore(&rg->lock, flags); -+ -+ return 0; -+} -+ -+static int -+mediatek_gpio_get_direction(struct gpio_chip *chip, unsigned offset) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ unsigned long flags; -+ u32 t; -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ t = mtk_gpio_r32(rg, GPIO_REG_CTRL); -+ spin_unlock_irqrestore(&rg->lock, flags); -+ -+ if (t & BIT(offset)) -+ return 0; -+ -+ return 1; -+} -+ -+static int -+mediatek_gpio_to_irq(struct gpio_chip *chip, unsigned pin) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ -+ return irq_create_mapping(mediatek_gpio_irq_domain, pin + (rg->bank * MTK_BANK_WIDTH)); -+} -+ -+static int -+mediatek_gpio_bank_probe(struct platform_device *pdev, struct device_node *bank) -+{ -+ const __be32 *id = of_get_property(bank, "reg", NULL); -+ struct mtk_gc *rg = devm_kzalloc(&pdev->dev, -+ sizeof(struct mtk_gc), GFP_KERNEL); -+ -+ if (!rg || !id || be32_to_cpu(*id) > MTK_MAX_BANK) -+ return -ENOMEM; -+ -+ gc_map[be32_to_cpu(*id)] = rg; -+ -+ memset(rg, 0, sizeof(struct mtk_gc)); -+ -+ spin_lock_init(&rg->lock); -+ -+ rg->chip.parent = &pdev->dev; -+ rg->chip.label = dev_name(&pdev->dev); -+ rg->chip.of_node = bank; -+ rg->chip.base = MTK_BANK_WIDTH * be32_to_cpu(*id); -+ rg->chip.ngpio = MTK_BANK_WIDTH; -+ rg->chip.direction_input = mediatek_gpio_direction_input; -+ rg->chip.direction_output = mediatek_gpio_direction_output; -+ rg->chip.get_direction = mediatek_gpio_get_direction; -+ rg->chip.get = mediatek_gpio_get; -+ rg->chip.set = mediatek_gpio_set; -+ if (mediatek_gpio_irq_domain) -+ rg->chip.to_irq = mediatek_gpio_to_irq; -+ rg->bank = be32_to_cpu(*id); -+ -+ /* set polarity to low for all gpios */ -+ mtk_gpio_w32(rg, GPIO_REG_POL, 0); -+ -+ dev_info(&pdev->dev, "registering %d gpios\n", rg->chip.ngpio); -+ -+ return gpiochip_add(&rg->chip); -+} -+ -+static void -+mediatek_gpio_irq_handler(struct irq_desc *desc) -+{ -+ int i; -+ -+ for (i = 0; i < MTK_MAX_BANK; i++) { -+ struct mtk_gc *rg = gc_map[i]; -+ unsigned long pending; -+ int bit; -+ -+ if (!rg) -+ continue; -+ -+ pending = mtk_gpio_r32(rg, GPIO_REG_STAT); -+ -+ for_each_set_bit(bit, &pending, MTK_BANK_WIDTH) { -+ u32 map = irq_find_mapping(mediatek_gpio_irq_domain, (MTK_BANK_WIDTH * i) + bit); -+ -+ generic_handle_irq(map); -+ mtk_gpio_w32(rg, GPIO_REG_STAT, BIT(bit)); -+ } -+ } -+} -+ -+static void -+mediatek_gpio_irq_unmask(struct irq_data *d) -+{ -+ int pin = d->hwirq; -+ int bank = pin / 32; -+ struct mtk_gc *rg = gc_map[bank]; -+ unsigned long flags; -+ u32 rise, fall; -+ -+ if (!rg) -+ return; -+ -+ rise = mtk_gpio_r32(rg, GPIO_REG_REDGE); -+ fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE); -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ mtk_gpio_w32(rg, GPIO_REG_REDGE, rise | (BIT(d->hwirq) & rg->rising)); -+ mtk_gpio_w32(rg, GPIO_REG_FEDGE, fall | (BIT(d->hwirq) & rg->falling)); -+ spin_unlock_irqrestore(&rg->lock, flags); -+} -+ -+static void -+mediatek_gpio_irq_mask(struct irq_data *d) -+{ -+ int pin = d->hwirq; -+ int bank = pin / 32; -+ struct mtk_gc *rg = gc_map[bank]; -+ unsigned long flags; -+ u32 rise, fall; -+ -+ if (!rg) -+ return; -+ -+ rise = mtk_gpio_r32(rg, GPIO_REG_REDGE); -+ fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE); -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ mtk_gpio_w32(rg, GPIO_REG_FEDGE, fall & ~BIT(d->hwirq)); -+ mtk_gpio_w32(rg, GPIO_REG_REDGE, rise & ~BIT(d->hwirq)); -+ spin_unlock_irqrestore(&rg->lock, flags); -+} -+ -+static int -+mediatek_gpio_irq_type(struct irq_data *d, unsigned int type) -+{ -+ int pin = d->hwirq; -+ int bank = pin / 32; -+ struct mtk_gc *rg = gc_map[bank]; -+ u32 mask = BIT(d->hwirq); -+ -+ if (!rg) -+ return -1; -+ -+ if (type == IRQ_TYPE_PROBE) { -+ if ((rg->rising | rg->falling) & mask) -+ return 0; -+ -+ type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING; -+ } -+ -+ if (type & IRQ_TYPE_EDGE_RISING) -+ rg->rising |= mask; -+ else -+ rg->rising &= ~mask; -+ -+ if (type & IRQ_TYPE_EDGE_FALLING) -+ rg->falling |= mask; -+ else -+ rg->falling &= ~mask; -+ -+ return 0; -+} -+ -+static struct irq_chip mediatek_gpio_irq_chip = { -+ .name = "GPIO", -+ .irq_unmask = mediatek_gpio_irq_unmask, -+ .irq_mask = mediatek_gpio_irq_mask, -+ .irq_mask_ack = mediatek_gpio_irq_mask, -+ .irq_set_type = mediatek_gpio_irq_type, -+}; -+ -+static int -+mediatek_gpio_gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) -+{ -+ irq_set_chip_and_handler(irq, &mediatek_gpio_irq_chip, handle_level_irq); -+ irq_set_handler_data(irq, d); -+ -+ return 0; -+} -+ -+static const struct irq_domain_ops irq_domain_ops = { -+ .xlate = irq_domain_xlate_onecell, -+ .map = mediatek_gpio_gpio_map, -+}; -+ -+static int -+mediatek_gpio_probe(struct platform_device *pdev) -+{ -+ struct device_node *bank, *np = pdev->dev.of_node; -+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ -+ mediatek_gpio_membase = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(mediatek_gpio_membase)) -+ return PTR_ERR(mediatek_gpio_membase); -+ -+ mediatek_gpio_irq = irq_of_parse_and_map(np, 0); -+ if (mediatek_gpio_irq) { -+ mediatek_gpio_irq_domain = irq_domain_add_linear(np, -+ MTK_MAX_BANK * MTK_BANK_WIDTH, -+ &irq_domain_ops, NULL); -+ if (!mediatek_gpio_irq_domain) -+ dev_err(&pdev->dev, "irq_domain_add_linear failed\n"); -+ } -+ -+ for_each_child_of_node(np, bank) -+ if (of_device_is_compatible(bank, "mtk,mt7621-gpio-bank")) -+ mediatek_gpio_bank_probe(pdev, bank); -+ -+ if (mediatek_gpio_irq_domain) -+ irq_set_chained_handler(mediatek_gpio_irq, mediatek_gpio_irq_handler); -+ -+ return 0; -+} -+ -+static const struct of_device_id mediatek_gpio_match[] = { -+ { .compatible = "mtk,mt7621-gpio" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, mediatek_gpio_match); -+ -+static struct platform_driver mediatek_gpio_driver = { -+ .probe = mediatek_gpio_probe, -+ .driver = { -+ .name = "mt7621_gpio", -+ .owner = THIS_MODULE, -+ .of_match_table = mediatek_gpio_match, -+ }, -+}; -+ -+static int __init -+mediatek_gpio_init(void) -+{ -+ return platform_driver_register(&mediatek_gpio_driver); -+} -+ -+subsys_initcall(mediatek_gpio_init); |