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Commit f36150b1 authored by Petr Cvek's avatar Petr Cvek Committed by Robert Jarzmik
Browse files

ARM: pxa: magician: Change comments to be more informative 



This patch changes the comments in the HTC Magician machine source code
to better describe used devices and interfaces.

Signed-off-by: default avatarPetr Cvek <petr.cvek@tul.cz>
Signed-off-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
parent 78afa4fc

arch/arm/mach-pxa/magician.c

+29 −13
Original line number Diff line number Diff line
@@ -59,31 +59,31 @@ static unsigned long magician_pin_config[] __initdata = { 
	GPIO80_nCS_4,

	GPIO33_nCS_5,



	/* I2C */

	/* I2C UDA1380 + OV9640 */

	GPIO117_I2C_SCL,

	GPIO118_I2C_SDA,



	/* PWM 0 */

	/* PWM 0 - LCD backlight */

	GPIO16_PWM0_OUT,



	/* I2S */

	/* I2S UDA1380 capture */

	GPIO28_I2S_BITCLK_OUT,

	GPIO29_I2S_SDATA_IN,

	GPIO31_I2S_SYNC,

	GPIO113_I2S_SYSCLK,



	/* SSP 1 */

	/* SSP 1 UDA1380 playback */

	GPIO23_SSP1_SCLK,

	GPIO24_SSP1_SFRM,

	GPIO25_SSP1_TXD,



	/* SSP 2 */

	/* SSP 2 TSC2046 touchscreen */

	GPIO19_SSP2_SCLK,

	GPIO14_SSP2_SFRM,

	GPIO89_SSP2_TXD,

	GPIO88_SSP2_RXD,



	/* MMC */

	/* MMC/SD/SDHC slot */

	GPIO32_MMC_CLK,

	GPIO92_MMC_DAT_0,

	GPIO109_MMC_DAT_1,
@@ -94,7 +94,7 @@ static unsigned long magician_pin_config[] __initdata = { 
	/* LCD */

	GPIOxx_LCD_TFT_16BPP,



	/* QCI */

	/* QCI camera interface */

	GPIO12_CIF_DD_7,

	GPIO17_CIF_DD_6,

	GPIO50_CIF_DD_3,
@@ -122,7 +122,7 @@ static unsigned long magician_pin_config[] __initdata = { 
};



/*

 * IRDA

 * IrDA

 */



static struct pxaficp_platform_data magician_ficp_info = {
@@ -178,7 +178,9 @@ static struct platform_device gpio_keys = { 
/*

 * EGPIO (Xilinx CPLD)

 *

 * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input

 * 32-bit aligned 8-bit registers

 * 16 possible registers (reg windows size), only 7 used:

 * 3x output, 1x irq, 3x input

 */



static struct resource egpio_resources[] = {
@@ -200,6 +202,9 @@ static struct htc_egpio_chip egpio_chips[] = { 
		.gpio_base	= MAGICIAN_EGPIO(0, 0),

		.num_gpios	= 24,

		.direction	= HTC_EGPIO_OUTPUT,

		/*

		 * Depends on modules configuration

		 */

		.initial_values	= 0x40, /* EGPIO_MAGICIAN_GSM_RESET */

	},

	[1] = {
@@ -231,7 +236,7 @@ static struct platform_device egpio = { 
};



/*

 * LCD - Toppoly TD028STEB1 or Samsung LTP280QV

 * PXAFB LCD - Toppoly TD028STEB1 or Samsung LTP280QV

 */



static struct pxafb_mode_info toppoly_modes[] = {
@@ -384,6 +389,13 @@ static void magician_backlight_exit(struct device *dev) 
	gpio_free_array(ARRAY_AND_SIZE(magician_bl_gpios));

}



/*

 * LCD PWM backlight (main)

 *

 * MP1521 frequency should be:

 *	100-400 Hz = 2 .5*10^6 - 10 *10^6 ns

 */



static struct platform_pwm_backlight_data backlight_data = {

	.max_brightness	= 272,

	.dft_brightness	= 100,
@@ -403,7 +415,7 @@ static struct platform_device backlight = { 
};



/*

 * LEDs

 * GPIO LEDs, Phone keys backlight, vibra

 */



static struct gpio_led gpio_leds[] = {
@@ -432,6 +444,10 @@ static struct platform_device leds_gpio = { 
	},

};



/*

 * PASIC3 LEDs

 */



static struct pasic3_led pasic3_leds[] = {

	{

		.led = {
@@ -502,7 +518,7 @@ static struct platform_device pasic3 = { 
};



/*

 * USB "Transceiver"

 * USB device VBus detection

 */



static struct resource gpio_vbus_resource = {
@@ -795,7 +811,7 @@ static struct platform_device strataflash = { 
};



/*

 * I2C

 * PXA I2C main controller

 */



static struct i2c_pxa_platform_data i2c_info = {