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ARM: pxa: zylonite: use gpio lookup instead mfp header
The mach/mfp.h header is only used by this one driver for hardcoded gpio numbers. Change that to use a lookup table instead. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: linux-input@vger.kernel.org Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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parent
0ca7231fe3
commit
f0b66b606a
2 changed files with 41 additions and 8 deletions
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@ -32,6 +32,7 @@
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#include <linux/platform_data/usb-ohci-pxa27x.h>
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#include <linux/platform_data/keypad-pxa27x.h>
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#include <linux/platform_data/mtd-nand-pxa3xx.h>
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#include <mach/mfp.h>
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#include "devices.h"
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#include "generic.h"
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@ -425,6 +426,35 @@ static void __init zylonite_init_ohci(void)
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static inline void zylonite_init_ohci(void) {}
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#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
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static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio15_table = {
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.dev_id = "wm97xx-touch.0",
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.table = {
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GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO15),
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"touch", GPIO_ACTIVE_LOW),
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{ },
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},
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};
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static struct gpiod_lookup_table zylonite_wm97xx_touch_gpio26_table = {
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.dev_id = "wm97xx-touch.0",
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.table = {
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GPIO_LOOKUP("gpio-pxa", mfp_to_gpio(MFP_PIN_GPIO26),
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"touch", GPIO_ACTIVE_LOW),
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{ },
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},
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};
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static void __init zylonite_init_wm97xx_touch(void)
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{
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if (!IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX_ZYLONITE))
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return;
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if (cpu_is_pxa320())
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gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio15_table);
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else
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gpiod_add_lookup_table(&zylonite_wm97xx_touch_gpio26_table);
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}
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static void __init zylonite_init(void)
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{
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pxa_set_ffuart_info(NULL);
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@ -450,6 +480,7 @@ static void __init zylonite_init(void)
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zylonite_init_nand();
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zylonite_init_leds();
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zylonite_init_ohci();
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zylonite_init_wm97xx_touch();
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}
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MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
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@ -17,14 +17,13 @@
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#include <linux/moduleparam.h>
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/gpio/consumer.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/soc/pxa/cpu.h>
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#include <linux/wm97xx.h>
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#include <mach/mfp.h>
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#include <mach/regs-ac97.h>
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struct continuous {
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@ -181,14 +180,17 @@ static struct wm97xx_mach_ops zylonite_mach_ops = {
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static int zylonite_wm97xx_probe(struct platform_device *pdev)
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{
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struct wm97xx *wm = platform_get_drvdata(pdev);
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int gpio_touch_irq;
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struct gpio_desc *gpio_touch_irq;
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int err;
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if (cpu_is_pxa320())
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gpio_touch_irq = mfp_to_gpio(MFP_PIN_GPIO15);
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else
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gpio_touch_irq = mfp_to_gpio(MFP_PIN_GPIO26);
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gpio_touch_irq = devm_gpiod_get(&pdev->dev, "touch", GPIOD_IN);
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err = PTR_ERR_OR_ZERO(gpio_touch_irq);
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if (err) {
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dev_err(&pdev->dev, "Cannot get irq gpio: %d\n", err);
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return err;
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}
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wm->pen_irq = gpio_to_irq(gpio_touch_irq);
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wm->pen_irq = gpiod_to_irq(gpio_touch_irq);
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irq_set_irq_type(wm->pen_irq, IRQ_TYPE_EDGE_BOTH);
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wm97xx_config_gpio(wm, WM97XX_GPIO_13, WM97XX_GPIO_IN,
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