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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" bool "CPUIMX27 integrates SDHC2 module"
depends on MACH_CPUIMX27 depends on MACH_CPUIMX27
help 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. 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 choice
prompt "Baseboard" prompt "Baseboard"
depends on MACH_CPUIMX27 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, PE10_PF_UART3_CTS,
PE11_PF_UART3_RTS, PE11_PF_UART3_RTS,
/* UART4 */ /* UART4 */
#if !defined(MACH_EUKREA_CPUIMX27_USEUART4)
PB26_AF_UART4_RTS, PB26_AF_UART4_RTS,
PB28_AF_UART4_TXD, PB28_AF_UART4_TXD,
PB29_AF_UART4_CTS, PB29_AF_UART4_CTS,
PB31_AF_UART4_RXD, PB31_AF_UART4_RXD,
#endif
/* SDHC1*/ /* SDHC1*/
PE18_PF_SD1_D0, PE18_PF_SD1_D0,
PE19_PF_SD1_D1, PE19_PF_SD1_D1,
@ -229,6 +231,9 @@ static struct imxuart_platform_data uart_pdata[] = {
{ {
.flags = IMXUART_HAVE_RTSCTS, .flags = IMXUART_HAVE_RTSCTS,
}, },
{
.flags = IMXUART_HAVE_RTSCTS,
},
}; };
#if defined(CONFIG_TOUCHSCREEN_ADS7846) #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_device1, &uart_pdata[0]);
mxc_register_device(&mxc_uart_device2, &uart_pdata[1]); 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_fb_device, &eukrea_mbimx27_fb_data);
mxc_register_device(&mxc_sdhc_device0, NULL); 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, PE14_PF_UART1_CTS,
PE15_PF_UART1_RTS, PE15_PF_UART1_RTS,
/* UART4 */ /* UART4 */
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
PB26_AF_UART4_RTS, PB26_AF_UART4_RTS,
PB28_AF_UART4_TXD, PB28_AF_UART4_TXD,
PB29_AF_UART4_CTS, PB29_AF_UART4_CTS,
PB31_AF_UART4_RXD, PB31_AF_UART4_RXD,
#endif
/* FEC */ /* FEC */
PD0_AIN_FEC_TXD0, PD0_AIN_FEC_TXD0,
PD1_AIN_FEC_TXD1, PD1_AIN_FEC_TXD1,
@ -76,12 +78,14 @@ static int eukrea_cpuimx27_pins[] = {
PD17_PF_I2C_DATA, PD17_PF_I2C_DATA,
PD18_PF_I2C_CLK, PD18_PF_I2C_CLK,
/* SDHC2 */ /* SDHC2 */
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
PB4_PF_SD2_D0, PB4_PF_SD2_D0,
PB5_PF_SD2_D1, PB5_PF_SD2_D1,
PB6_PF_SD2_D2, PB6_PF_SD2_D2,
PB7_PF_SD2_D3, PB7_PF_SD2_D3,
PB8_PF_SD2_CMD, PB8_PF_SD2_CMD,
PB9_PF_SD2_CLK, PB9_PF_SD2_CLK,
#endif
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
/* Quad UART's IRQ */ /* Quad UART's IRQ */
GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN, 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) #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
/* SDHC2 can be used for Wifi */ /* SDHC2 can be used for Wifi */
mxc_register_device(&mxc_sdhc_device1, NULL); mxc_register_device(&mxc_sdhc_device1, NULL);
#endif
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
/* in which case UART4 is also used for Bluetooth */ /* in which case UART4 is also used for Bluetooth */
mxc_register_device(&mxc_uart_device3, &uart_pdata[1]); mxc_register_device(&mxc_uart_device3, &uart_pdata[1]);
#endif #endif