MIPS: Alchemy: devboards: Convert to gpio calls.

Replace a few open-coded GPIO register accesses with gpio calls.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/alchemy/common/reset.c

@@ -27,8 +27,9 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <asm/cacheflush.h>
+#include <linux/gpio.h>
 
+#include <asm/cacheflush.h>
 #include <asm/mach-au1x00/au1000.h>
 
 void au1000_restart(char *command)
@@ -161,7 +162,7 @@ void au1000_halt(void)
 #else
 	printk(KERN_NOTICE "\n** You can safely turn off the power\n");
 #ifdef CONFIG_MIPS_MIRAGE
-	au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT);
+	gpio_direction_output(210, 1);
 #endif
 #ifdef CONFIG_MIPS_DB1200
 	au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C);

arch/mips/alchemy/devboards/db1x00/board_setup.c

@@ -27,6 +27,7 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/gpio.h>
 #include <linux/init.h>
 
 #include <asm/mach-au1x00/au1000.h>
@@ -94,12 +95,12 @@ void __init board_setup(void)
 #endif
 	bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
 
-#ifdef CONFIG_MIPS_MIRAGE
 	/* Enable GPIO[31:0] inputs */
-	au_writel(0, SYS_PININPUTEN);
+	alchemy_gpio1_input_enable();
 
-	/* GPIO[20] is output, tristate the other input primary GPIOs */
-	au_writel(~(1 << 20), SYS_TRIOUTCLR);
+#ifdef CONFIG_MIPS_MIRAGE
+	/* GPIO[20] is output */
+	alchemy_gpio_direction_output(20, 0);
 
 	/* Set GPIO[210:208] instead of SSI_0 */
 	pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
@@ -118,8 +119,7 @@ void __init board_setup(void)
 	 * Enable speaker amplifier.  This should
 	 * be part of the audio driver.
 	 */
-	au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
-	au_writel(0x02000200, GPIO2_OUTPUT);
+	alchemy_gpio_direction_output(209, 1);
 #endif
 
 	au_sync();

arch/mips/alchemy/devboards/pb1000/board_setup.c

@@ -24,6 +24,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <asm/mach-au1x00/au1000.h>
@@ -130,8 +131,11 @@ void __init board_setup(void)
 	pin_func |= SYS_PF_USB;
 
 	au_writel(pin_func, SYS_PINFUNC);
-	au_writel(0x2800, SYS_TRIOUTCLR);
-	au_writel(0x0030, SYS_OUTPUTCLR);
+
+	alchemy_gpio_direction_input(11);
+	alchemy_gpio_direction_input(13);
+	alchemy_gpio_direction_output(4, 0);
+	alchemy_gpio_direction_output(5, 0);
 #endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
 
 	/* Make GPIO 15 an input (for interrupt line) */
@@ -140,7 +144,7 @@ void __init board_setup(void)
 	pin_func |= SYS_PF_I2S;
 	au_writel(pin_func, SYS_PINFUNC);
 
-	au_writel(0x8000, SYS_TRIOUTCLR);
+	alchemy_gpio_direction_input(15);
 
 	static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00;
 	au_writel(static_cfg0, MEM_STCFG0);

arch/mips/alchemy/devboards/pb1100/board_setup.c

@@ -23,6 +23,7 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
@@ -88,7 +89,7 @@ void __init board_setup(void)
 
 	/* Set AUX clock to 12 MHz * 8 = 96 MHz */
 	au_writel(8, SYS_AUXPLL);
-	au_writel(0, SYS_PININPUTEN);
+	alchemy_gpio1_input_enable();
 	udelay(100);
 
 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)

arch/mips/alchemy/devboards/pb1500/board_setup.c

@@ -23,8 +23,9 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <linux/init.h>
 #include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
 #include <linux/interrupt.h>
 
 #include <asm/mach-au1x00/au1000.h>
@@ -90,11 +91,12 @@ void __init board_setup(void)
 	au_writel(0, SYS_PINSTATERD);
 	udelay(100);
 
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-
 	/* GPIO201 is input for PCMCIA card detect */
 	/* GPIO203 is input for PCMCIA interrupt request */
-	au_writel(au_readl(GPIO2_DIR) & ~((1 << 1) | (1 << 3)), GPIO2_DIR);
+	alchemy_gpio_direction_input(201);
+	alchemy_gpio_direction_input(203);
+
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 
 	/* Zero and disable FREQ2 */
 	sys_freqctrl = au_readl(SYS_FREQCTRL0);

arch/mips/alchemy/devboards/pm.c

@@ -9,6 +9,7 @@
 #include <linux/suspend.h>
 #include <linux/sysfs.h>
 #include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/gpio.h>
 
 /*
  * Generic suspend userspace interface for Alchemy development boards.
@@ -26,7 +27,7 @@ static unsigned long db1x_pm_last_wakesrc;
 static int db1x_pm_enter(suspend_state_t state)
 {
 	/* enable GPIO based wakeup */
-	au_writel(1, SYS_PININPUTEN);
+	alchemy_gpio1_input_enable();
 
 	/* clear and setup wake cause and source */
 	au_writel(0, SYS_WAKEMSK);