mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-06 08:46:46 +00:00
Code Issues Releases Wiki Activity

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

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

Signed-off-by: Petr Cvek <petr.cvek@tul.cz>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
This commit is contained in:
Petr Cvek 2015-09-28 23:10:18 +02:00 committed by Robert Jarzmik
parent 78afa4fcf4
commit f36150b179
1 changed files with 29 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
arch/arm/mach-pxa/magician.c
View file

@ -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 = {