mirror of https://gitee.com/openkylin/linux.git
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>
This commit is contained in:
Manuel Lauss
Ralf Baechle
parent
b6c9f10517
commit
ce65cc8fe2
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@ -27,8 +27,9 @@
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <asm/cacheflush.h>
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#include <linux/gpio.h>
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#include <asm/cacheflush.h>
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#include <asm/mach-au1x00/au1000.h>
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void au1000_restart(char *command)
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@ -161,7 +162,7 @@ void au1000_halt(void)
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#else
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printk(KERN_NOTICE "\n** You can safely turn off the power\n");
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#ifdef CONFIG_MIPS_MIRAGE
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au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT);
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gpio_direction_output(210, 1);
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#endif
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#ifdef CONFIG_MIPS_DB1200
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au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C);
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@ -27,6 +27,7 @@
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <asm/mach-au1x00/au1000.h>
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@ -94,12 +95,12 @@ void __init board_setup(void)
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#endif
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bcsr->pcmcia = 0x0000; /* turn off PCMCIA power */
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#ifdef CONFIG_MIPS_MIRAGE
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/* Enable GPIO[31:0] inputs */
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au_writel(0, SYS_PININPUTEN);
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alchemy_gpio1_input_enable();
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/* GPIO[20] is output, tristate the other input primary GPIOs */
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au_writel(~(1 << 20), SYS_TRIOUTCLR);
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#ifdef CONFIG_MIPS_MIRAGE
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/* GPIO[20] is output */
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alchemy_gpio_direction_output(20, 0);
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/* Set GPIO[210:208] instead of SSI_0 */
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pin_func = au_readl(SYS_PINFUNC) | SYS_PF_S0;
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@ -118,8 +119,7 @@ void __init board_setup(void)
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* Enable speaker amplifier. This should
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* be part of the audio driver.
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*/
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au_writel(au_readl(GPIO2_DIR) | 0x200, GPIO2_DIR);
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au_writel(0x02000200, GPIO2_OUTPUT);
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alchemy_gpio_direction_output(209, 1);
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#endif
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au_sync();
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@ -24,6 +24,7 @@
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*/
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <asm/mach-au1x00/au1000.h>
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@ -130,8 +131,11 @@ void __init board_setup(void)
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pin_func |= SYS_PF_USB;
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au_writel(pin_func, SYS_PINFUNC);
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au_writel(0x2800, SYS_TRIOUTCLR);
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au_writel(0x0030, SYS_OUTPUTCLR);
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alchemy_gpio_direction_input(11);
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alchemy_gpio_direction_input(13);
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alchemy_gpio_direction_output(4, 0);
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alchemy_gpio_direction_output(5, 0);
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#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
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/* Make GPIO 15 an input (for interrupt line) */
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@ -140,7 +144,7 @@ void __init board_setup(void)
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pin_func |= SYS_PF_I2S;
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au_writel(pin_func, SYS_PINFUNC);
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au_writel(0x8000, SYS_TRIOUTCLR);
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alchemy_gpio_direction_input(15);
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static_cfg0 = au_readl(MEM_STCFG0) & ~0xc00;
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au_writel(static_cfg0, MEM_STCFG0);
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@ -23,6 +23,7 @@
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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@ -88,7 +89,7 @@ void __init board_setup(void)
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/* Set AUX clock to 12 MHz * 8 = 96 MHz */
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au_writel(8, SYS_AUXPLL);
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au_writel(0, SYS_PININPUTEN);
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alchemy_gpio1_input_enable();
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udelay(100);
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#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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@ -23,8 +23,9 @@
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <asm/mach-au1x00/au1000.h>
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@ -90,11 +91,12 @@ void __init board_setup(void)
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au_writel(0, SYS_PINSTATERD);
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udelay(100);
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#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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/* GPIO201 is input for PCMCIA card detect */
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/* GPIO203 is input for PCMCIA interrupt request */
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au_writel(au_readl(GPIO2_DIR) & ~((1 << 1) | (1 << 3)), GPIO2_DIR);
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alchemy_gpio_direction_input(201);
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alchemy_gpio_direction_input(203);
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#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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/* Zero and disable FREQ2 */
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sys_freqctrl = au_readl(SYS_FREQCTRL0);
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@ -9,6 +9,7 @@
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#include <linux/suspend.h>
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#include <linux/sysfs.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <asm/mach-au1x00/gpio.h>
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/*
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* Generic suspend userspace interface for Alchemy development boards.
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@ -26,7 +27,7 @@ static unsigned long db1x_pm_last_wakesrc;
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static int db1x_pm_enter(suspend_state_t state)
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{
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/* enable GPIO based wakeup */
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au_writel(1, SYS_PININPUTEN);
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alchemy_gpio1_input_enable();
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/* clear and setup wake cause and source */
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au_writel(0, SYS_WAKEMSK);
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