[MIPS] jmr3927: use generic txx9 gpio

Use generic txx9 gpio (and gpiolib) for JMR3927 board.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -613,6 +613,7 @@ config TOSHIBA_JMR3927
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select GENERIC_HARDIRQS_NO__DO_IRQ
+	select GPIO_TXX9
 
 config TOSHIBA_RBTX4927
 	bool "Toshiba RBTX49[23]7 board"

arch/mips/jmr3927/rbhma3100/setup.c

@@ -36,11 +36,13 @@
 #include <linux/pm.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/gpio.h>
 #ifdef CONFIG_SERIAL_TXX9
 #include <linux/serial_core.h>
 #endif
 
 #include <asm/txx9tmr.h>
+#include <asm/txx9pio.h>
 #include <asm/reboot.h>
 #include <asm/jmr3927/jmr3927.h>
 #include <asm/mipsregs.h>
@@ -340,9 +342,12 @@ static void __init tx3927_setup(void)
 
 	/* PIO */
 	/* PIO[15:12] connected to LEDs */
-	tx3927_pioptr->dir = 0x0000f000;
-	tx3927_pioptr->maskcpu = 0;
-	tx3927_pioptr->maskext = 0;
+	__raw_writel(0x0000f000, &tx3927_pioptr->dir);
+	__raw_writel(0, &tx3927_pioptr->maskcpu);
+	__raw_writel(0, &tx3927_pioptr->maskext);
+	txx9_gpio_init(TX3927_PIO_REG, 0, 16);
+	gpio_request(11, "dipsw1");
+	gpio_request(10, "dipsw2");
 	{
 		unsigned int conf;
 

include/asm-mips/jmr3927/jmr3927.h

@@ -99,8 +99,8 @@
 #define jmr3927_led_and_set(n/*0-16*/)	jmr3927_ioc_reg_out((~(n)) & jmr3927_ioc_reg_in(JMR3927_IOC_LED_ADDR), JMR3927_IOC_LED_ADDR)
 
 /* DIPSW4 macro */
-#define jmr3927_dipsw1()	((tx3927_pioptr->din & (1 << 11)) == 0)
-#define jmr3927_dipsw2()	((tx3927_pioptr->din & (1 << 10)) == 0)
+#define jmr3927_dipsw1()	(gpio_get_value(11) == 0)
+#define jmr3927_dipsw2()	(gpio_get_value(10) == 0)
 #define jmr3927_dipsw3()	((jmr3927_ioc_reg_in(JMR3927_IOC_DIPSW_ADDR) & 2) == 0)
 #define jmr3927_dipsw4()	((jmr3927_ioc_reg_in(JMR3927_IOC_DIPSW_ADDR) & 1) == 0)
 

include/asm-mips/jmr3927/tx3927.h

@@ -314,6 +314,6 @@ struct tx3927_ccfg_reg {
 #define tx3927_ccfgptr		((struct tx3927_ccfg_reg *)TX3927_CCFG_REG)
 #define tx3927_tmrptr(ch)	((struct txx927_tmr_reg *)TX3927_TMR_REG(ch))
 #define tx3927_sioptr(ch)	((struct txx927_sio_reg *)TX3927_SIO_REG(ch))
-#define tx3927_pioptr		((struct txx927_pio_reg *)TX3927_PIO_REG)
+#define tx3927_pioptr		((struct txx9_pio_reg __iomem *)TX3927_PIO_REG)
 
 #endif /* __ASM_TX3927_H */

include/asm-mips/jmr3927/txx927.h

@@ -22,18 +22,6 @@ struct txx927_sio_reg {
 	volatile unsigned long rfifo;
 };
 
-struct txx927_pio_reg {
-	volatile unsigned long dout;
-	volatile unsigned long din;
-	volatile unsigned long dir;
-	volatile unsigned long od;
-	volatile unsigned long flag[2];
-	volatile unsigned long pol;
-	volatile unsigned long intc;
-	volatile unsigned long maskcpu;
-	volatile unsigned long maskext;
-};
-
 /*
  * SIO
  */