diff options
Diffstat (limited to 'recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0033-beaglebone-add-support-for-CAN-and-RS232-cape.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0033-beaglebone-add-support-for-CAN-and-RS232-cape.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0033-beaglebone-add-support-for-CAN-and-RS232-cape.patch b/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0033-beaglebone-add-support-for-CAN-and-RS232-cape.patch new file mode 100644 index 00000000..e70ebd4a --- /dev/null +++ b/recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0033-beaglebone-add-support-for-CAN-and-RS232-cape.patch @@ -0,0 +1,67 @@ +From 0bed6db60e5a5bf78931b7da0376676a14bfce6f Mon Sep 17 00:00:00 2001 +From: Koen Kooi <koen@dominion.thruhere.net> +Date: Fri, 4 May 2012 13:19:45 +0200 +Subject: [PATCH 33/33] beaglebone: add support for CAN and RS232 cape + +Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> +--- + arch/arm/mach-omap2/board-am335xevm.c | 36 +++++++++++++++++++++++++++------ + 1 file changed, 30 insertions(+), 6 deletions(-) + +diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c +index 717bb8c..6e7b203 100644 +--- a/arch/arm/mach-omap2/board-am335xevm.c ++++ b/arch/arm/mach-omap2/board-am335xevm.c +@@ -953,6 +953,18 @@ static struct pinmux_config tt3201_pin_mux[] = { + {NULL, 0}, + }; + ++static struct pinmux_config uart1dcan1_pin_mux[] = { ++ {"uart1_rxd.d_can1_tx", OMAP_MUX_MODE2 | AM33XX_PIN_OUTPUT }, ++ {"uart1_txd.d_can1_rx", OMAP_MUX_MODE2 | AM33XX_PIN_INPUT_PULLUP }, ++ {NULL, 0}, ++}; ++ ++static struct pinmux_config uart1_pin_mux[] = { ++ {"uart1_txd.uart1_txd", OMAP_MUX_MODE0 | AM33XX_PULL_ENBL}, ++ {"uart1_rxd.uart1_rxd", OMAP_MUX_MODE0 | AM33XX_PIN_INPUT_PULLUP}, ++ {NULL, 0}, ++}; ++ + /* Module pin mux for uart2 */ + static struct pinmux_config uart2_pin_mux[] = { + {"spi0_sclk.uart2_rxd", OMAP_MUX_MODE1 | AM33XX_SLEWCTRL_SLOW | +@@ -2250,12 +2262,24 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context + #endif + } + +- if (!strncmp("BB-BONE-SERL", cape_config.partnumber, 12)) { +- pr_info("BeagleBone cape: initializing serial cape\n"); +- // 01 -> CAN +- // 02 -> Profibus +- // 03 -> RS232 +- // 04 -> RS485 ++ if (!strncmp("BB-BONE-SERL-01", cape_config.partnumber, 15)) { ++ pr_info("BeagleBone cape: initializing CAN cape\n"); ++ setup_pin_mux(uart1dcan1_pin_mux); ++ am33xx_d_can_init(1); ++ } ++ if (!strncmp("BB-BONE-SERL-02", cape_config.partnumber, 15)) { ++ pr_info("BeagleBone cape: not initializing Profibus cape\n"); ++ // gpio1_0 ++ // gpio1_4 ++ //foo_init(0,0); ++ } ++ if (!strncmp("BB-BONE-SERL-03", cape_config.partnumber, 15)) { ++ pr_info("BeagleBone cape: initializing RS232 cape\n"); ++ pr_info("BeagleBone cape: only uart1 is supported!\n"); ++ setup_pin_mux(uart1_pin_mux); ++ } ++ if (!strncmp("BB-BONE-SERL-04", cape_config.partnumber, 15)) { ++ pr_info("BeagleBone cape: not initializing RS485 cape\n"); + //foo_init(0,0); + } + +-- +1.7.10 + |