From 5dc3339aa5ba29593ea57814049ddca8c12831c8 Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Sat, 12 Apr 2008 13:25:41 +0100 Subject: [ARM] 4964/1: htc-pasic3: MFD driver for PASIC3 LED control + DS1WM chip This driver will provide registers, clocks and GPIOs of the HTC PASIC3 (AIC3) and PASIC2 (AIC2) chips to the ds1wm and leds-pasic3 drivers. Signed-off-by: Philipp Zabel Signed-off-by: Russell King --- include/linux/mfd/htc-pasic3.h | 55 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 include/linux/mfd/htc-pasic3.h (limited to 'include/linux/mfd') diff --git a/include/linux/mfd/htc-pasic3.h b/include/linux/mfd/htc-pasic3.h new file mode 100644 index 000000000000..b4294f12c4f8 --- /dev/null +++ b/include/linux/mfd/htc-pasic3.h @@ -0,0 +1,55 @@ +/* + * HTC PASIC3 driver - LEDs and DS1WM + * + * Copyright (c) 2007 Philipp Zabel + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + */ + +#ifndef __PASIC3_H +#define __PASIC3_H + +#include +#include + +extern void pasic3_write_register(struct device *dev, u32 reg, u8 val); +extern u8 pasic3_read_register(struct device *dev, u32 reg); + +/* + * mask for registers 0x20,0x21,0x22 + */ +#define PASIC3_MASK_LED0 0x04 +#define PASIC3_MASK_LED1 0x08 +#define PASIC3_MASK_LED2 0x40 + +/* + * bits in register 0x06 + */ +#define PASIC3_BIT2_LED0 0x08 +#define PASIC3_BIT2_LED1 0x10 +#define PASIC3_BIT2_LED2 0x20 + +struct pasic3_led { + struct led_classdev led; + unsigned int hw_num; + unsigned int bit2; + unsigned int mask; + struct pasic3_leds_machinfo *pdata; +}; + +struct pasic3_leds_machinfo { + unsigned int num_leds; + unsigned int power_gpio; + struct pasic3_led *leds; +}; + +struct pasic3_platform_data { + struct pasic3_leds_machinfo *led_pdata; + unsigned int bus_shift; + unsigned int clock_rate; +}; + +#endif -- cgit v1.2.3