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cpuimx27 and mbimx27: allow fine control of UART4 and SDHC2 usage

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Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Eric Bénard 2010-05-19 18:45:59 +02:00 committed by Sascha Hauer
parent a465242eb0
commit 2d66c78035
3 changed files with 22 additions and 1 deletions
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9
arch/arm/mach-mx2/Kconfig
View File

@ -67,9 +67,16 @@ config MACH_EUKREA_CPUIMX27_USESDHC2
bool "CPUIMX27 integrates SDHC2 module"
depends on MACH_CPUIMX27
help
This adds support for the internal SDHC2 used on CPUIMX27 used
This adds support for the internal SDHC2 used on CPUIMX27
for wifi or eMMC.
config MACH_EUKREA_CPUIMX27_USEUART4
bool "CPUIMX27 integrates UART4 module"
depends on MACH_CPUIMX27
help
This adds support for the internal UART4 used on CPUIMX27
for bluetooth.
choice
prompt "Baseboard"
depends on MACH_CPUIMX27

8
arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
View File

@ -50,10 +50,12 @@ static int eukrea_mbimx27_pins[] = {
PE10_PF_UART3_CTS,
PE11_PF_UART3_RTS,
/* UART4 */
#if !defined(MACH_EUKREA_CPUIMX27_USEUART4)
PB26_AF_UART4_RTS,
PB28_AF_UART4_TXD,
PB29_AF_UART4_CTS,
PB31_AF_UART4_RXD,
#endif
/* SDHC1*/
PE18_PF_SD1_D0,
PE19_PF_SD1_D1,
@ -229,6 +231,9 @@ static struct imxuart_platform_data uart_pdata[] = {
{
.flags = IMXUART_HAVE_RTSCTS,
},
{
.flags = IMXUART_HAVE_RTSCTS,
},
};
#if defined(CONFIG_TOUCHSCREEN_ADS7846)
@ -293,6 +298,9 @@ void __init eukrea_mbimx27_baseboard_init(void)
mxc_register_device(&mxc_uart_device1, &uart_pdata[0]);
mxc_register_device(&mxc_uart_device2, &uart_pdata[1]);
#if !defined(MACH_EUKREA_CPUIMX27_USEUART4)
mxc_register_device(&mxc_uart_device3, &uart_pdata[2]);
#endif
mxc_register_device(&mxc_fb_device, &eukrea_mbimx27_fb_data);
mxc_register_device(&mxc_sdhc_device0, NULL);

6
arch/arm/mach-mx2/mach-cpuimx27.c
View File

@ -49,10 +49,12 @@ static int eukrea_cpuimx27_pins[] = {
PE14_PF_UART1_CTS,
PE15_PF_UART1_RTS,
/* UART4 */
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
PB26_AF_UART4_RTS,
PB28_AF_UART4_TXD,
PB29_AF_UART4_CTS,
PB31_AF_UART4_RXD,
#endif
/* FEC */
PD0_AIN_FEC_TXD0,
PD1_AIN_FEC_TXD1,
@ -76,12 +78,14 @@ static int eukrea_cpuimx27_pins[] = {
PD17_PF_I2C_DATA,
PD18_PF_I2C_CLK,
/* SDHC2 */
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
PB4_PF_SD2_D0,
PB5_PF_SD2_D1,
PB6_PF_SD2_D2,
PB7_PF_SD2_D3,
PB8_PF_SD2_CMD,
PB9_PF_SD2_CLK,
#endif
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/* Quad UART's IRQ */
GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN,
@ -202,6 +206,8 @@ static void __init eukrea_cpuimx27_init(void)
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
/* SDHC2 can be used for Wifi */
mxc_register_device(&mxc_sdhc_device1, NULL);
#endif
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
/* in which case UART4 is also used for Bluetooth */
mxc_register_device(&mxc_uart_device3, &uart_pdata[1]);
#endif