Florian Fainelli
17 years ago
parent
c07d990490
commit
137e963057
@ -1,101 +0,0 @@
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/*
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* LED driver for MTX-1 boards
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*
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* Copyright 2007 Florian Fainelli <florian@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/err.h>
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#include <asm/gpio.h>
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static struct platform_device *pdev;
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static void mtx1_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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{
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if (!strcmp("mtx1:green", led_cdev->name))
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gpio_set_value(211, brightness ? 1 : 0);
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else
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gpio_set_value(212, brightness ? 1 : 0);
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}
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static struct led_classdev mtx1_green_led = {
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.name = "mtx1:green",
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.brightness_set = mtx1_led_set,
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};
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static struct led_classdev mtx1_red_led = {
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.name = "mtx1:red",
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.brightness_set = mtx1_led_set,
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};
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static int mtx1_leds_probe(struct platform_device *pdev)
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{
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int ret;
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ret = led_classdev_register(&pdev->dev, &mtx1_green_led);
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if (ret < 0)
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goto out;
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ret = led_classdev_register(&pdev->dev, &mtx1_red_led);
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if (ret < 0)
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led_classdev_unregister(&mtx1_green_led);
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out:
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return ret;
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}
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static int mtx1_leds_remove(struct platform_device *pdev)
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{
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led_classdev_unregister(&mtx1_green_led);
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led_classdev_unregister(&mtx1_red_led);
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return 0;
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}
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static struct platform_driver mtx1_leds_driver = {
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.probe = mtx1_leds_probe,
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.remove = mtx1_leds_remove,
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.driver = {
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.name = "mtx1-leds",
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}
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};
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static int __init mtx1_leds_init(void)
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{
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int ret;
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ret = platform_driver_register(&mtx1_leds_driver);
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if (ret < 0)
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goto out;
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pdev = platform_device_register_simple("mtx1-leds", -1, NULL, 0);
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if (IS_ERR(pdev)) {
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ret = PTR_ERR(pdev);
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platform_driver_unregister(&mtx1_leds_driver);
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goto out;
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}
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out:
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return ret;
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}
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static void __exit mtx1_leds_exit(void)
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{
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platform_device_unregister(pdev);
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platform_driver_unregister(&mtx1_leds_driver);
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}
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module_init(mtx1_leds_init);
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module_exit(mtx1_leds_exit);
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MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
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MODULE_DESCRIPTION("MTX-1 LED driver");
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MODULE_LICENSE("GPL");
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@ -0,0 +1,24 @@
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From 8dea23a2b6dae52267b3a969e715d3f0753acf47 Mon Sep 17 00:00:00 2001
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From: Florian Fainelli <florian.fainelli@telecomint.eu>
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Date: Wed, 10 Oct 2007 14:54:11 +0200
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Subject: [PATCH] [PATCH] Add missing generic GPIO support for au1000
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With the generic GPIO support for au1000, we do not
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select it in the kernel configuration.
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Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
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---
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arch/mips/au1000/Kconfig | 1 +
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1 files changed, 1 insertions(+), 0 deletions(-)
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diff --git a/arch/mips/au1000/Kconfig b/arch/mips/au1000/Kconfig
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index 29c95d9..f03b2eb 100644
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--- a/arch/mips/au1000/Kconfig
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+++ b/arch/mips/au1000/Kconfig
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@@ -141,3 +141,4 @@ config SOC_AU1X00
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select SYS_SUPPORTS_32BIT_KERNEL
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select SYS_SUPPORTS_APM_EMULATION
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select SYS_SUPPORTS_KGDB
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+ select GENERIC_GPIO
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--
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1.5.2.4
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@ -1,294 +0,0 @@
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diff -urN linux-2.6.21.1/arch/mips/au1000/common/gpio.c linux-2.6.21.1.new/arch/mips/au1000/common/gpio.c
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--- linux-2.6.21.1/arch/mips/au1000/common/gpio.c 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.new/arch/mips/au1000/common/gpio.c 2007-05-22 21:41:55.000000000 +0200
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@@ -1,4 +1,7 @@
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/*
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+ * Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
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+ * Architecture specific GPIO support
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+ *
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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@@ -18,101 +21,133 @@
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ * Notes :
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+ * au1000 SoC have only one GPIO line : GPIO1
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+ * others have a second one : GPIO2
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*/
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+
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+#include <linux/autoconf.h>
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+#include <linux/init.h>
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+#include <linux/types.h>
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#include <linux/module.h>
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-#include <au1000.h>
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-#include <au1xxx_gpio.h>
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+
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+#include <asm/addrspace.h>
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+#include <asm/io.h>
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+
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+#include <asm/mach-au1x00/au1000.h>
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+#include <asm/gpio.h>
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#define gpio1 sys
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#if !defined(CONFIG_SOC_AU1000)
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static AU1X00_GPIO2 * const gpio2 = (AU1X00_GPIO2 *)GPIO2_BASE;
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+#define GPIO2_OUTPUT_ENABLE_MASK 0x00010000
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-#define GPIO2_OUTPUT_ENABLE_MASK 0x00010000
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-
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-int au1xxx_gpio2_read(int signal)
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+static int au1xxx_gpio2_read(unsigned gpio)
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{
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- signal -= 200;
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-/* gpio2->dir &= ~(0x01 << signal); //Set GPIO to input */
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- return ((gpio2->pinstate >> signal) & 0x01);
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+ gpio -= AU1XXX_GPIO_BASE;
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+ return ((gpio2->pinstate >> gpio) & 0x01);
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}
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-void au1xxx_gpio2_write(int signal, int value)
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+static void au1xxx_gpio2_write(unsigned gpio, int value)
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{
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- signal -= 200;
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+ gpio -= AU1XXX_GPIO_BASE;
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- gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << signal) |
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- (value << signal);
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+ gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << gpio) |
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+ (value << gpio);
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}
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-void au1xxx_gpio2_tristate(int signal)
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+static int au1xxx_gpio2_direction_input(unsigned gpio)
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{
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- signal -= 200;
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- gpio2->dir &= ~(0x01 << signal); /* Set GPIO to input */
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+ gpio -= AU1XXX_GPIO_BASE;
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+ gpio2->dir &= ~(0x01 << gpio);
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+ return 0;
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}
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-#endif
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-int au1xxx_gpio1_read(int signal)
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+static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
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+{
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+ gpio -= AU1XXX_GPIO_BASE;
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+ gpio2->dir = (0x01 << gpio) | (value << gpio);
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+ return 0;
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+}
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+
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+#endif /* !defined(CONFIG_SOC_AU1000) */
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+
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+static int au1xxx_gpio1_read(unsigned gpio)
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{
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-/* gpio1->trioutclr |= (0x01 << signal); */
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- return ((gpio1->pinstaterd >> signal) & 0x01);
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+ return ((gpio1->pinstaterd >> gpio) & 0x01);
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}
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-void au1xxx_gpio1_write(int signal, int value)
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+static void au1xxx_gpio1_write(unsigned gpio, int value)
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{
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if(value)
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- gpio1->outputset = (0x01 << signal);
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+ gpio1->outputset = (0x01 << gpio);
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else
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- gpio1->outputclr = (0x01 << signal); /* Output a Zero */
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+ /* Output a zero */
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+ gpio1->outputclr = (0x01 << gpio);
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}
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-void au1xxx_gpio1_tristate(int signal)
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+static int au1xxx_gpio1_direction_input(unsigned gpio)
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{
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- gpio1->trioutclr = (0x01 << signal); /* Tristate signal */
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+ gpio1->pininputen = (0x01 << gpio);
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+ return 0;
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}
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+static int au1xxx_gpio1_direction_output(unsigned gpio, int value)
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+{
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+ gpio1->trioutclr = (0x01 & gpio);
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+ return 0;
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+}
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-int au1xxx_gpio_read(int signal)
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+int au1xxx_gpio_get_value(unsigned gpio)
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{
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- if(signal >= 200)
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+ if(gpio >= AU1XXX_GPIO_BASE)
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#if defined(CONFIG_SOC_AU1000)
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return 0;
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#else
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- return au1xxx_gpio2_read(signal);
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+ return au1xxx_gpio2_read(gpio);
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#endif
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else
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- return au1xxx_gpio1_read(signal);
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+ return au1xxx_gpio1_read(gpio);
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}
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-void au1xxx_gpio_write(int signal, int value)
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+void au1xxx_gpio_set_value(unsigned gpio, int value)
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{
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- if(signal >= 200)
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+ if(gpio >= AU1XXX_GPIO_BASE)
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#if defined(CONFIG_SOC_AU1000)
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;
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#else
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- au1xxx_gpio2_write(signal, value);
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+ au1xxx_gpio2_write(gpio, value);
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#endif
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else
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- au1xxx_gpio1_write(signal, value);
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+ au1xxx_gpio1_write(gpio, value);
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}
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-void au1xxx_gpio_tristate(int signal)
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+int au1xxx_gpio_direction_input(unsigned gpio)
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{
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- if(signal >= 200)
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+ if (gpio >= AU1XXX_GPIO_BASE)
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#if defined(CONFIG_SOC_AU1000)
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;
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#else
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- au1xxx_gpio2_tristate(signal);
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+ return au1xxx_gpio2_direction_input(gpio);
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#endif
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else
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- au1xxx_gpio1_tristate(signal);
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+ return au1xxx_gpio1_direction_input(gpio);
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}
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-void au1xxx_gpio1_set_inputs(void)
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+int au1xxx_gpio_direction_output(unsigned gpio, int value)
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{
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- gpio1->pininputen = 0;
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+ if (gpio >= AU1XXX_GPIO_BASE)
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+#if defined(CONFIG_SOC_AU1000)
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+ ;
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+#else
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+ return au1xxx_gpio2_direction_output(gpio, value);
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+#endif
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+ else
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+ return au1xxx_gpio1_direction_output(gpio, value);
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}
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-EXPORT_SYMBOL(au1xxx_gpio1_set_inputs);
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-EXPORT_SYMBOL(au1xxx_gpio_tristate);
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-EXPORT_SYMBOL(au1xxx_gpio_write);
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-EXPORT_SYMBOL(au1xxx_gpio_read);
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+EXPORT_SYMBOL(au1xxx_gpio_direction_output);
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+EXPORT_SYMBOL(au1xxx_gpio_direction_input);
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+EXPORT_SYMBOL(au1xxx_gpio_get_value);
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+EXPORT_SYMBOL(au1xxx_gpio_set_value);
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--- linux-2.6.21.1/arch/mips/Kconfig 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.new/arch/mips/Kconfig 2007-05-21 08:04:42.000000000 +0200
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@@ -1044,6 +1044,7 @@
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select SYS_SUPPORTS_32BIT_KERNEL
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select SYS_SUPPORTS_APM_EMULATION
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select SYS_SUPPORTS_KGDB
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+ select GENERIC_GPIO
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config PNX8550
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bool
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diff -urN linux-2.6.21.1/include/asm-mips/mach-au1x00/au1xxx_gpio.h linux-2.6.21.1.new/include/asm-mips/mach-au1x00/au1xxx_gpio.h
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--- linux-2.6.21.1/include/asm-mips/mach-au1x00/au1xxx_gpio.h 2007-04-27 23:49:26.000000000 +0200
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+++ linux-2.6.21.1.new/include/asm-mips/mach-au1x00/au1xxx_gpio.h 1970-01-01 01:00:00.000000000 +0100
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@@ -1,20 +0,0 @@
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-#ifndef __AU1XXX_GPIO_H
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-#define __AU1XXX_GPIO_H
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-
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-void au1xxx_gpio1_set_inputs(void);
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-void au1xxx_gpio_tristate(int signal);
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-void au1xxx_gpio_write(int signal, int value);
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-int au1xxx_gpio_read(int signal);
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-
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-typedef volatile struct
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-{
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- u32 dir;
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- u32 reserved;
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- u32 output;
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- u32 pinstate;
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- u32 inten;
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- u32 enable;
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-
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-} AU1X00_GPIO2;
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-
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-#endif //__AU1XXX_GPIO_H
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diff -urN linux-2.6.21.1/include/asm-mips/mach-au1x00/gpio.h linux-2.6.21.1.new/include/asm-mips/mach-au1x00/gpio.h
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--- linux-2.6.21.1/include/asm-mips/mach-au1x00/gpio.h 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.6.21.1.new/include/asm-mips/mach-au1x00/gpio.h 2007-05-21 01:10:22.000000000 +0200
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@@ -0,0 +1,69 @@
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+#ifndef _AU1XXX_GPIO_H_
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+#define _AU1XXX_GPIO_H_
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+
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+#define AU1XXX_GPIO_BASE 200
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+
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+typedef volatile struct
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+{
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+ u32 dir;
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+ u32 reserved;
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+ u32 output;
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+ u32 pinstate;
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+ u32 inten;
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+ u32 enable;
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+
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+} AU1X00_GPIO2;
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+
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+extern int au1xxx_gpio_get_value(unsigned gpio);
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+extern void au1xxx_gpio_set_value(unsigned gpio, int value);
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+extern int au1xxx_gpio_direction_input(unsigned gpio);
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+extern int au1xxx_gpio_direction_output(unsigned gpio, int value);
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+
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+
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+/* Wrappers for the arch-neutral GPIO API */
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+
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+static inline int gpio_request(unsigned gpio, const char *label)
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+{
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+ /* Not yet implemented */
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+ return 0;
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+}
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+
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+static inline void gpio_free(unsigned gpio)
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+{
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+ /* Not yet implemented */
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+}
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+
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+static inline int gpio_direction_input(unsigned gpio)
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+{
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+ return au1xxx_gpio_direction_input(gpio);
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+}
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+
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+static inline int gpio_direction_output(unsigned gpio, int value)
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+{
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+ return au1xxx_gpio_direction_output(gpio, value);
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+}
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+
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+static inline int gpio_get_value(unsigned gpio)
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+{
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+ return au1xxx_gpio_get_value(gpio);
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+}
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+
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+static inline void gpio_set_value(unsigned gpio, int value)
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+{
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+ au1xxx_gpio_set_value(gpio, value);
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+}
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+
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+static inline int gpio_to_irq(unsigned gpio)
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+{
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+ return gpio;
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+}
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+
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+static inline int irq_to_gpio(unsigned irq)
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+{
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+ return irq;
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+}
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+
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+/* For cansleep */
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+#include <asm-generic/gpio.h>
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+
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+#endif /* _AU1XXX_GPIO_H_ */
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@ -0,0 +1,10 @@
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diff --git a/arch/mips/au1000/mtx-1/Makefile b/arch/mips/au1000/mtx-1/Makefile
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index 764bf9f..4d1b8d2 100644
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--- a/arch/mips/au1000/mtx-1/Makefile
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+++ b/arch/mips/au1000/mtx-1/Makefile
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@@ -7,4 +7,4 @@
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# Makefile for 4G Systems MTX-1 board.
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#
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-lib-y := init.o board_setup.o irqmap.o
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+lib-y := init.o board_setup.o irqmap.o platform.o
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@ -1,28 +0,0 @@
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diff -urN linux-2.6.19.2/drivers/leds/Kconfig linux-2.6.19.2.new/drivers/leds/Kconfig
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--- linux-2.6.19.2/drivers/leds/Kconfig 2007-01-10 20:10:37.000000000 +0100
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+++ linux-2.6.19.2.new/drivers/leds/Kconfig 2007-03-02 13:50:28.000000000 +0100
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@@ -76,6 +76,13 @@
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This option enables support for the Soekris net4801 and net4826 error
|
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LED.
|
||||
|
||||
+config LEDS_MTX1
|
||||
+ tristate "LED Support for MTX-1 boards"
|
||||
+ depends on LEDS_CLASS && MIPS_MTX1
|
||||
+ help
|
||||
+ This option enables support for the MTX-1 power and status LED.
|
||||
+
|
||||
+
|
||||
comment "LED Triggers"
|
||||
|
||||
config LEDS_TRIGGERS
|
||||
diff -urN linux-2.6.21.1/drivers/leds/Makefile linux-2.6.21.1.new/drivers/leds/Makefile
|
||||
--- linux-2.6.21.1/drivers/leds/Makefile 2007-04-27 23:49:26.000000000 +0200
|
||||
+++ linux-2.6.21.1.new/drivers/leds/Makefile 2007-05-24 23:39:18.000000000 +0200
|
||||
@@ -16,6 +16,7 @@
|
||||
obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
|
||||
obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
|
||||
obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o
|
||||
+obj-$(CONFIG_LEDS_MTX1) += leds-mtx1.o
|
||||
|
||||
# LED Triggers
|
||||
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
|
||||
@ -1,10 +0,0 @@
|
||||
--- linux-2.6.22.1.orig/arch/mips/au1000/common/pci.c 2007-07-24 18:42:21.031908123 +0200
|
||||
+++ linux-2.6.22.1/arch/mips/au1000/common/pci.c 2007-07-24 22:12:07.373162835 +0200
|
||||
@@ -74,6 +74,7 @@
|
||||
printk(KERN_ERR "Unable to ioremap pci space\n");
|
||||
return 1;
|
||||
}
|
||||
+ au1x_controller.io_map_base = virt_io_addr;
|
||||
|
||||
#ifdef CONFIG_DMA_NONCOHERENT
|
||||
{
|
||||
@ -1,11 +0,0 @@
|
||||
--- linux-2.6.22.1.orig/arch/mips/au1000/mtx-1/board_setup.c 2007-07-29 18:57:35.000000000 +0200
|
||||
+++ linux-2.6.22.1/arch/mips/au1000/mtx-1/board_setup.c 2007-07-29 18:59:48.000000000 +0200
|
||||
@@ -54,7 +54,7 @@
|
||||
|
||||
void __init board_setup(void)
|
||||
{
|
||||
-#ifdef CONFIG_USB_OHCI
|
||||
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
|
||||
// enable USB power switch
|
||||
au_writel( au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR );
|
||||
au_writel( 0x100000, GPIO2_OUTPUT );
|
||||
Loading…
Reference in New Issue