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Diffstat (limited to 'recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0048-tc6393xb-GPIO-support.patch')
-rw-r--r--recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0048-tc6393xb-GPIO-support.patch225
1 files changed, 0 insertions, 225 deletions
diff --git a/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0048-tc6393xb-GPIO-support.patch b/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0048-tc6393xb-GPIO-support.patch
deleted file mode 100644
index ef47d6cc21..0000000000
--- a/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0048-tc6393xb-GPIO-support.patch
+++ /dev/null
@@ -1,225 +0,0 @@
-From 4fb4d83c7090ea21619bb652f2ea9b5c8c0c453e Mon Sep 17 00:00:00 2001
-From: Dmitry Baryshkov <dbaryshkov@gmail.com>
-Date: Wed, 9 Jan 2008 01:42:58 +0300
-Subject: [PATCH 48/64] tc6393xb GPIO support
-
-Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
----
- drivers/mfd/tc6393xb.c | 124 ++++++++++++++++++++++++++++++++++++++++--
- include/linux/mfd/tc6393xb.h | 2 +-
- 2 files changed, 119 insertions(+), 7 deletions(-)
-
-diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
-index 1a394e4..9001687 100644
---- a/drivers/mfd/tc6393xb.c
-+++ b/drivers/mfd/tc6393xb.c
-@@ -49,6 +49,8 @@ enum pincontrol {
- #define TC6393XB_MCR_INT_EN BIT(7)
- /* bits 8 - 16 are unknown */
-
-+#include <asm/gpio.h>
-+
- struct tc6393xb_scr {
- u8 x00[8];
- u8 revid; /* 0x08 Revision ID */
-@@ -96,6 +98,8 @@ struct tc6393xb_scr {
- struct tc6393xb {
- struct tc6393xb_scr __iomem *scr;
-
-+ struct gpio_chip gpio;
-+
- spinlock_t lock; /* protects RMW cycles */
-
- struct {
-@@ -513,6 +517,96 @@ static struct mfd_cell tc6393xb_cells[] = {
-
- /*--------------------------------------------------------------------------*/
-
-+static int tc6393xb_gpio_get(struct gpio_chip *chip,
-+ unsigned offset)
-+{
-+ struct tc6393xb *tc6393xb = container_of(chip,
-+ struct tc6393xb, gpio);
-+ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
-+ u32 mask = 1 << offset;
-+
-+ return tmio_ioread32(scr->gpo_dsr) & mask;
-+}
-+
-+static void __tc6393xb_gpio_set(struct gpio_chip *chip,
-+ unsigned offset, int value)
-+{
-+ struct tc6393xb *tc6393xb = container_of(chip,
-+ struct tc6393xb, gpio);
-+ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
-+ u32 dsr;
-+
-+ dsr = tmio_ioread32(scr->gpo_dsr);
-+ if (value)
-+ dsr |= (1L << offset);
-+ else
-+ dsr &= ~(1L << offset);
-+
-+ tmio_iowrite32(dsr, scr->gpo_dsr);
-+}
-+
-+static void tc6393xb_gpio_set(struct gpio_chip *chip,
-+ unsigned offset, int value)
-+{
-+ struct tc6393xb *tc6393xb = container_of(chip,
-+ struct tc6393xb, gpio);
-+ unsigned long flags;
-+
-+ spin_lock_irqsave(&tc6393xb->lock, flags);
-+
-+ __tc6393xb_gpio_set(chip, offset, value);
-+
-+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
-+}
-+
-+static int tc6393xb_gpio_direction_input(struct gpio_chip *chip,
-+ unsigned offset)
-+{
-+ struct tc6393xb *tc6393xb = container_of(chip,
-+ struct tc6393xb, gpio);
-+ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
-+ unsigned long flags;
-+ u32 doecr;
-+
-+ spin_lock_irqsave(&tc6393xb->lock, flags);
-+
-+ doecr = tmio_ioread32(scr->gpo_doecr);
-+
-+ doecr &= ~(1 << offset);
-+
-+ tmio_iowrite32(doecr, scr->gpo_doecr);
-+
-+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
-+
-+ return 0;
-+}
-+
-+static int tc6393xb_gpio_direction_output(struct gpio_chip *chip,
-+ unsigned offset, int value)
-+{
-+ struct tc6393xb *tc6393xb = container_of(chip,
-+ struct tc6393xb, gpio);
-+ struct tc6393xb_scr __iomem *scr = tc6393xb->scr;
-+ unsigned long flags;
-+ u32 doecr;
-+
-+ spin_lock_irqsave(&tc6393xb->lock, flags);
-+
-+ doecr = tmio_ioread32(scr->gpo_doecr);
-+
-+ doecr |= (1 << offset);
-+
-+ tmio_iowrite32(doecr, scr->gpo_doecr);
-+
-+ __tc6393xb_gpio_set(chip, offset, value);
-+
-+ spin_unlock_irqrestore(&tc6393xb->lock, flags);
-+
-+ return 0;
-+}
-+
-+/*--------------------------------------------------------------------------*/
-+
- static void
- tc6393xb_irq(unsigned int irq, struct irq_desc *desc)
- {
-@@ -631,10 +725,8 @@ static int tc6393xb_hw_init(struct platform_device *dev, int resume)
- iowrite16(tcpd->scr_gper, &scr->gper);
- iowrite8(0, &scr->irr);
- iowrite8(0xbf, &scr->imr);
-- iowrite16(tcpd->scr_gpo_dsr, scr->gpo_dsr + 0);
-- iowrite16(tcpd->scr_gpo_dsr >> 16, scr->gpo_dsr + 1);
-- iowrite16(tcpd->scr_gpo_doecr, scr->gpo_doecr + 0);
-- iowrite16(tcpd->scr_gpo_doecr >> 16, scr->gpo_doecr + 1);
-+ tmio_iowrite32(tcpd->scr_gpo_dsr, &scr->gpo_dsr);
-+ tmio_iowrite32(tcpd->scr_gpo_doecr, &scr->gpo_doecr);
-
- if (resume)
- for (i = 0; i < 4; i++)
-@@ -650,7 +742,7 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
- struct tc6393xb *tc6393xb;
- struct resource *iomem;
- struct resource *rscr;
-- int retval;
-+ int retval, temp;
-
- iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
- if (!iomem)
-@@ -696,6 +788,18 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
- ioread8(&tc6393xb->scr->revid),
- (unsigned long) iomem->start, tc6393xb->irq);
-
-+ tc6393xb->gpio.label = "tc6393xb";
-+ tc6393xb->gpio.base = tcpd->gpio_base;
-+ tc6393xb->gpio.ngpio = 16; /* FIXME: actually 32, but I'm not sure */
-+ tc6393xb->gpio.set = tc6393xb_gpio_set;
-+ tc6393xb->gpio.get = tc6393xb_gpio_get;
-+ tc6393xb->gpio.direction_input = tc6393xb_gpio_direction_input;
-+ tc6393xb->gpio.direction_output = tc6393xb_gpio_direction_output;
-+
-+ retval = gpiochip_add(&tc6393xb->gpio);
-+ if (retval)
-+ goto err_gpio_add;
-+
- if (tc6393xb->irq)
- tc6393xb_attach_irq(dev);
-
-@@ -713,6 +817,8 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
- if (tc6393xb->irq)
- tc6393xb_detach_irq(dev);
-
-+err_gpio_add:
-+ temp = gpiochip_remove(&tc6393xb->gpio);
- err_hw_init:
- tcpd->disable(dev);
- err_enable:
-@@ -734,6 +840,12 @@ static int __devexit tc6393xb_remove(struct platform_device *dev) {
- if (tc6393xb->irq)
- tc6393xb_detach_irq(dev);
-
-+ ret = gpiochip_remove(&tc6393xb->gpio);
-+ if (ret) {
-+ dev_err(&dev->dev, "Can't remove gpio chip: %d\n", ret);
-+ return ret;
-+ }
-+
- ret = tcpd->disable(dev);
-
- iounmap(tc6393xb->scr);
-@@ -804,7 +916,7 @@ static void __exit tc6393xb_exit(void)
- platform_driver_unregister(&tc6393xb_driver);
- }
-
--module_init(tc6393xb_init);
-+subsys_initcall(tc6393xb_init);
- module_exit(tc6393xb_exit);
-
- MODULE_LICENSE("GPL");
-diff --git a/include/linux/mfd/tc6393xb.h b/include/linux/mfd/tc6393xb.h
-index 2c69f63..97c4c7c 100644
---- a/include/linux/mfd/tc6393xb.h
-+++ b/include/linux/mfd/tc6393xb.h
-@@ -45,6 +45,7 @@ struct tc6393xb_platform_data {
- int (*resume)(struct platform_device *dev);
-
- int irq_base; /* a base for cascaded irq */
-+ int gpio_base;
-
- struct tmio_nand_data *nand_data;
- struct tmio_fb_data *fb_data;
-@@ -54,7 +55,6 @@ extern int tc6393xb_lcd_set_power(struct platform_device *fb_dev, bool on);
- extern int tc6393xb_lcd_mode(struct platform_device *fb_dev,
- struct fb_videomode *mode);
-
--
- /*
- * Relative to irq_base
- */
---
-1.5.3.8
-
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-22 13:59:56 +0000