diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/123-MIPS-ath79-add-GPIO-support-code-for-AR934X.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.3/123-MIPS-ath79-add-GPIO-support-code-for-AR934X.patch | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/target/linux/ar71xx/patches-3.3/123-MIPS-ath79-add-GPIO-support-code-for-AR934X.patch b/target/linux/ar71xx/patches-3.3/123-MIPS-ath79-add-GPIO-support-code-for-AR934X.patch deleted file mode 100644 index 77c8d5a57c..0000000000 --- a/target/linux/ar71xx/patches-3.3/123-MIPS-ath79-add-GPIO-support-code-for-AR934X.patch +++ /dev/null @@ -1,102 +0,0 @@ -From 77bb01d1919bcb6787d5cde9056936420288ab34 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Wed, 14 Mar 2012 10:45:23 +0100 -Subject: [PATCH 28/47] MIPS: ath79: add GPIO support code for AR934X - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> -Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> -Cc: linux-mips@linux-mips.org -Cc: mcgrof@infradead.org -Patchwork: https://patchwork.linux-mips.org/patch/3508/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - arch/mips/ath79/gpio.c | 47 +++++++++++++++++++++++- - arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 1 + - 2 files changed, 47 insertions(+), 1 deletions(-) - ---- a/arch/mips/ath79/gpio.c -+++ b/arch/mips/ath79/gpio.c -@@ -1,9 +1,12 @@ - /* - * Atheros AR71XX/AR724X/AR913X GPIO API support - * -- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> -+ * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> -+ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> - * -+ * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP -+ * - * 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. -@@ -89,6 +92,42 @@ static int ath79_gpio_direction_output(s - return 0; - } - -+static int ar934x_gpio_direction_input(struct gpio_chip *chip, unsigned offset) -+{ -+ void __iomem *base = ath79_gpio_base; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&ath79_gpio_lock, flags); -+ -+ __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) | (1 << offset), -+ base + AR71XX_GPIO_REG_OE); -+ -+ spin_unlock_irqrestore(&ath79_gpio_lock, flags); -+ -+ return 0; -+} -+ -+static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset, -+ int value) -+{ -+ void __iomem *base = ath79_gpio_base; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&ath79_gpio_lock, flags); -+ -+ if (value) -+ __raw_writel(1 << offset, base + AR71XX_GPIO_REG_SET); -+ else -+ __raw_writel(1 << offset, base + AR71XX_GPIO_REG_CLEAR); -+ -+ __raw_writel(__raw_readl(base + AR71XX_GPIO_REG_OE) & ~(1 << offset), -+ base + AR71XX_GPIO_REG_OE); -+ -+ spin_unlock_irqrestore(&ath79_gpio_lock, flags); -+ -+ return 0; -+} -+ - static struct gpio_chip ath79_gpio_chip = { - .label = "ath79", - .get = ath79_gpio_get_value, -@@ -155,11 +194,17 @@ void __init ath79_gpio_init(void) - ath79_gpio_count = AR913X_GPIO_COUNT; - else if (soc_is_ar933x()) - ath79_gpio_count = AR933X_GPIO_COUNT; -+ else if (soc_is_ar934x()) -+ ath79_gpio_count = AR934X_GPIO_COUNT; - else - BUG(); - - ath79_gpio_base = ioremap_nocache(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE); - ath79_gpio_chip.ngpio = ath79_gpio_count; -+ if (soc_is_ar934x()) { -+ ath79_gpio_chip.direction_input = ar934x_gpio_direction_input; -+ ath79_gpio_chip.direction_output = ar934x_gpio_direction_output; -+ } - - err = gpiochip_add(&ath79_gpio_chip); - if (err) ---- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -367,5 +367,6 @@ - #define AR724X_GPIO_COUNT 18 - #define AR913X_GPIO_COUNT 22 - #define AR933X_GPIO_COUNT 30 -+#define AR934X_GPIO_COUNT 23 - - #endif /* __ASM_MACH_AR71XX_REGS_H */ |