---

yaml --- r: 271184 b: refs/heads/master c: 2498424 h: refs/heads/master v: v3
git-mirror · Oct 29, 2011 · 412496d · 412496d
1 parent 8f43c8e
commit 412496d
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Showing 49 changed files with 915 additions and 562 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 81397a625d063403d80a25bba00fa1cb6d7e04f5
+refs/heads/master: 249842477c589ea29ff161ace9c8666d96e9883a
diff --git a/trunk/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h b/trunk/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h
@@ -67,6 +67,9 @@ extern int nmk_gpio_get_mode(int gpio);
 extern void nmk_gpio_wakeups_suspend(void);
 extern void nmk_gpio_wakeups_resume(void);
 
+extern void nmk_gpio_clocks_enable(void);
+extern void nmk_gpio_clocks_disable(void);
+
 extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up);
 
 /*

diff --git a/trunk/arch/h8300/include/asm/gpio.h → trunk/arch/h8300/include/asm/gpio-internal.h b/trunk/arch/h8300/include/asm/gpio.h → trunk/arch/h8300/include/asm/gpio-internal.h
diff --git a/trunk/arch/h8300/platform/h8300h/irq.c b/trunk/arch/h8300/platform/h8300h/irq.c
@@ -11,7 +11,7 @@
 #include <asm/traps.h>
 #include <asm/irq.h>
 #include <asm/io.h>
-#include <asm/gpio.h>
+#include <asm/gpio-internal.h>
 #include <asm/regs306x.h>
 
 const int __initdata h8300_saved_vectors[] = {

diff --git a/trunk/arch/h8300/platform/h8s/irq.c b/trunk/arch/h8300/platform/h8s/irq.c
@@ -14,7 +14,7 @@
 #include <asm/traps.h>
 #include <asm/irq.h>
 #include <asm/io.h>
-#include <asm/gpio.h>
+#include <asm/gpio-internal.h>
 #include <asm/regs267x.h>
 
 /* saved vector list */

diff --git a/trunk/drivers/gpio/Kconfig b/trunk/drivers/gpio/Kconfig
@@ -397,6 +397,7 @@ config GPIO_LANGWELL
 config GPIO_PCH
 	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GPIO"
 	depends on PCI && X86
+	select GENERIC_IRQ_CHIP
 	help
 	  This driver is for PCH(Platform controller Hub) GPIO of Intel Topcliff
 	  which is an IOH(Input/Output Hub) for x86 embedded processor.
@@ -411,6 +412,7 @@ config GPIO_PCH
 config GPIO_ML_IOH
 	tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support"
 	depends on PCI
+	select GENERIC_IRQ_CHIP
 	help
 	  ML7213 is companion chip for Intel Atom E6xx series.
 	  This driver can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/Output

diff --git a/trunk/drivers/gpio/gpio-langwell.c b/trunk/drivers/gpio/gpio-langwell.c
@@ -59,6 +59,7 @@ enum GPIO_REG {
 	GRER,		/* rising edge detect */
 	GFER,		/* falling edge detect */
 	GEDR,		/* edge detect result */
+	GAFR,		/* alt function */
 };
 
 struct lnw_gpio {
@@ -81,6 +82,31 @@ static void __iomem *gpio_reg(struct gpio_chip *chip, unsigned offset,
 	return ptr;
 }
 
+static void __iomem *gpio_reg_2bit(struct gpio_chip *chip, unsigned offset,
+				   enum GPIO_REG reg_type)
+{
+	struct lnw_gpio *lnw = container_of(chip, struct lnw_gpio, chip);
+	unsigned nreg = chip->ngpio / 32;
+	u8 reg = offset / 16;
+	void __iomem *ptr;
+
+	ptr = (void __iomem *)(lnw->reg_base + reg_type * nreg * 4 + reg * 4);
+	return ptr;
+}
+
+static int lnw_gpio_request(struct gpio_chip *chip, unsigned offset)
+{
+	void __iomem *gafr = gpio_reg_2bit(chip, offset, GAFR);
+	u32 value = readl(gafr);
+	int shift = (offset % 16) << 1, af = (value >> shift) & 3;
+
+	if (af) {
+		value &= ~(3 << shift);
+		writel(value, gafr);
+	}
+	return 0;
+}
+
 static int lnw_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
 	void __iomem *gplr = gpio_reg(chip, offset, GPLR);
@@ -321,6 +347,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
 	lnw->reg_base = base;
 	lnw->irq_base = irq_base;
 	lnw->chip.label = dev_name(&pdev->dev);
+	lnw->chip.request = lnw_gpio_request;
 	lnw->chip.direction_input = lnw_gpio_direction_input;
 	lnw->chip.direction_output = lnw_gpio_direction_output;
 	lnw->chip.get = lnw_gpio_get;