From c59b0d680a93e745d8606dbd69843137e51d12c6 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 16 Mar 2015 07:39:46 +0000 Subject: ralink: drop 3.14 support Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44811 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...48-GPIO-ralink-add-mt7621-gpio-controller.patch | 229 --------------------- 1 file changed, 229 deletions(-) delete mode 100644 target/linux/ramips/patches-3.14/0048-GPIO-ralink-add-mt7621-gpio-controller.patch (limited to 'target/linux/ramips/patches-3.14/0048-GPIO-ralink-add-mt7621-gpio-controller.patch') diff --git a/target/linux/ramips/patches-3.14/0048-GPIO-ralink-add-mt7621-gpio-controller.patch b/target/linux/ramips/patches-3.14/0048-GPIO-ralink-add-mt7621-gpio-controller.patch deleted file mode 100644 index aba8698645..0000000000 --- a/target/linux/ramips/patches-3.14/0048-GPIO-ralink-add-mt7621-gpio-controller.patch +++ /dev/null @@ -1,229 +0,0 @@ -From 8481cdf6f96dc16cbcc129d046c021d17a891274 Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Sun, 27 Jul 2014 11:00:32 +0100 -Subject: [PATCH 48/57] GPIO: ralink: add mt7621 gpio controller - -Signed-off-by: John Crispin ---- - arch/mips/Kconfig | 3 + - drivers/gpio/Kconfig | 6 ++ - drivers/gpio/Makefile | 1 + - drivers/gpio/gpio-mt7621.c | 177 ++++++++++++++++++++++++++++++++++++++++++++ - 4 files changed, 187 insertions(+) - create mode 100644 drivers/gpio/gpio-mt7621.c - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -438,6 +438,9 @@ 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 -@@ -827,6 +827,12 @@ config GPIO_BCM_KONA - help - Turn on GPIO support for Broadcom "Kona" chips. - -+config GPIO_MT7621 -+ bool "Mediatek GPIO Support" -+ depends on SOC_MT7620 || SOC_MT7621 -+ help -+ Say yes here to support the Mediatek SoC GPIO device -+ - comment "USB GPIO expanders:" - - config GPIO_VIPERBOARD ---- a/drivers/gpio/Makefile -+++ b/drivers/gpio/Makefile -@@ -100,3 +100,4 @@ obj-$(CONFIG_GPIO_WM8350) += gpio-wm8350 - obj-$(CONFIG_GPIO_WM8994) += gpio-wm8994.o - obj-$(CONFIG_GPIO_XILINX) += gpio-xilinx.o - obj-$(CONFIG_GPIO_XTENSA) += gpio-xtensa.o -+obj-$(CONFIG_GPIO_MT7621) += gpio-mt7621.o ---- /dev/null -+++ b/drivers/gpio/gpio-mt7621.c -@@ -0,0 +1,178 @@ -+/* -+ * 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 -+ * Copyright (C) 2013 John Crispin -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#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, -+}; -+ -+static void __iomem *mtk_gc_membase; -+ -+struct mtk_gc { -+ struct gpio_chip chip; -+ spinlock_t lock; -+ int 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, mtk_gc_membase + (reg * 0x10) + (rg->bank * 0x4)); -+} -+ -+static inline u32 -+mtk_gpio_r32(struct mtk_gc *rg, u8 reg) -+{ -+ return ioread32(mtk_gc_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_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) -+ return -ENOMEM; -+ -+ spin_lock_init(&rg->lock); -+ -+ rg->chip.dev = &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 = mediatek_gpio_get; -+ rg->chip.set = mediatek_gpio_set; -+ 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 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); -+ -+ mtk_gc_membase = devm_request_and_ioremap(&pdev->dev, res); -+ if (IS_ERR(mtk_gc_membase)) -+ return PTR_ERR(mtk_gc_membase); -+ -+ for_each_child_of_node(np, bank) -+ if (of_device_is_compatible(bank, "mtk,mt7621-gpio-bank")) -+ mediatek_gpio_bank_probe(pdev, bank); -+ -+ 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); -- cgit v1.2.3