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Diffstat (limited to 'arch/sh/boards/renesas/r7780rp/psw.c')
-rw-r--r--arch/sh/boards/renesas/r7780rp/psw.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/sh/boards/renesas/r7780rp/psw.c b/arch/sh/boards/renesas/r7780rp/psw.c
deleted file mode 100644
index c844dfa5d58d..000000000000
--- a/arch/sh/boards/renesas/r7780rp/psw.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * arch/sh/boards/renesas/r7780rp/psw.c
- *
- * push switch support for RDBRP-1/RDBREVRP-1 debug boards.
- *
- * Copyright (C) 2006 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <asm/mach/r7780rp.h>
-#include <asm/push-switch.h>
-
-static irqreturn_t psw_irq_handler(int irq, void *arg)
-{
- struct platform_device *pdev = arg;
- struct push_switch *psw = platform_get_drvdata(pdev);
- struct push_switch_platform_info *psw_info = pdev->dev.platform_data;
- unsigned int l, mask;
- int ret = 0;
-
- l = ctrl_inw(PA_DBSW);
-
- /* Nothing to do if there's no state change */
- if (psw->state) {
- ret = 1;
- goto out;
- }
-
- mask = l & 0x70;
- /* Figure out who raised it */
- if (mask & (1 << psw_info->bit)) {
- psw->state = !!(mask & (1 << psw_info->bit));
- if (psw->state) /* debounce */
- mod_timer(&psw->debounce, jiffies + 50);
-
- ret = 1;
- }
-
-out:
- /* Clear the switch IRQs */
- l |= (0x7 << 12);
- ctrl_outw(l, PA_DBSW);
-
- return IRQ_RETVAL(ret);
-}
-
-static struct resource psw_resources[] = {
- [0] = {
- .start = IRQ_PSW,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct push_switch_platform_info s2_platform_data = {
- .name = "s2",
- .bit = 6,
- .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_SHARED,
- .irq_handler = psw_irq_handler,
-};
-
-static struct platform_device s2_switch_device = {
- .name = "push-switch",
- .id = 0,
- .num_resources = ARRAY_SIZE(psw_resources),
- .resource = psw_resources,
- .dev = {
- .platform_data = &s2_platform_data,
- },
-};
-
-static struct push_switch_platform_info s3_platform_data = {
- .name = "s3",
- .bit = 5,
- .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_SHARED,
- .irq_handler = psw_irq_handler,
-};
-
-static struct platform_device s3_switch_device = {
- .name = "push-switch",
- .id = 1,
- .num_resources = ARRAY_SIZE(psw_resources),
- .resource = psw_resources,
- .dev = {
- .platform_data = &s3_platform_data,
- },
-};
-
-static struct push_switch_platform_info s4_platform_data = {
- .name = "s4",
- .bit = 4,
- .irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
- IRQF_SHARED,
- .irq_handler = psw_irq_handler,
-};
-
-static struct platform_device s4_switch_device = {
- .name = "push-switch",
- .id = 2,
- .num_resources = ARRAY_SIZE(psw_resources),
- .resource = psw_resources,
- .dev = {
- .platform_data = &s4_platform_data,
- },
-};
-
-static struct platform_device *psw_devices[] = {
- &s2_switch_device, &s3_switch_device, &s4_switch_device,
-};
-
-static int __init psw_init(void)
-{
- return platform_add_devices(psw_devices, ARRAY_SIZE(psw_devices));
-}
-module_init(psw_init);