[PATCH] MIPS: jz4740: Use PWM lookup table

From: Thierry Reding
Date: Mon Oct 05 2015 - 07:31:24 EST


Associate the PWM with the pwm-beeper device using a PWM lookup table.
This will eventually allow the legacy function calls to pwm_request() to
be removed from all consumer drivers.

Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxx>
---
arch/mips/jz4740/board-qi_lb60.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
index f2885adda9d0..0e6ad22d265c 100644
--- a/arch/mips/jz4740/board-qi_lb60.c
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -25,6 +25,7 @@
#include <linux/power_supply.h>
#include <linux/power/jz4740-battery.h>
#include <linux/power/gpio-charger.h>
+#include <linux/pwm.h>

#include <asm/mach-jz4740/jz4740_fb.h>
#include <asm/mach-jz4740/jz4740_mmc.h>
@@ -399,13 +400,15 @@ static struct platform_device avt2_usb_regulator_device = {
}
};

+static struct pwm_lookup qi_lb60_pwm_lookup[] = {
+ PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
+ PWM_POLARITY_NORMAL),
+};
+
/* beeper */
static struct platform_device qi_lb60_pwm_beeper = {
.name = "pwm-beeper",
.id = -1,
- .dev = {
- .platform_data = (void *)4,
- },
};

/* charger */
@@ -491,6 +494,8 @@ static int __init qi_lb60_init_platform_devices(void)
platform_device_register(&jz4740_usb_ohci_device);
}

+ pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
+
return platform_add_devices(jz_platform_devices,
ARRAY_SIZE(jz_platform_devices));

--
2.5.0

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