mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-22 11:17:19 +00:00
Code Issues Releases Activity

Enable SPI1 on Beaglebone Black.

Browse Source 
SPI1 was chosen because SPI0 shares the gpio pins with I2C1.

Sponsored by:	Rubicon Communications (Netgate)
This commit is contained in:
Luiz Otavio O Souza 2016-03-30 17:32:14 +00:00
parent 66002d4088
commit 191004d586
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=297426
2 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/arm/conf/BEAGLEBONE
View File

@ -87,6 +87,10 @@ device gpio
device gpioled
device gpiobacklight
# SPI
device ti_spi
device spibus
# ADC support
device ti_adc

17
sys/boot/fdt/dts/arm/beaglebone-black.dts
View File

@ -37,6 +37,16 @@
AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE2) /* spi0_cs0.i2c1_scl */
>;
};
spi1_pins: pinmux_spi1_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x964, PIN_INPUT_PULLUP | MUX_MODE2) /* eCAP0_in_PWM0_out.spi1_cs1 */
AM33XX_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcasp0_aclkx.spi1_sclk */
AM33XX_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE3) /* mcasp0_fsx.spi1_d0 - miso */
AM33XX_IOPAD(0x998, PIN_INPUT_PULLUP | MUX_MODE3) /* mcasp0_axr0.spi1_d1 - mosi */
AM33XX_IOPAD(0x99c, PIN_INPUT_PULLUP | MUX_MODE3) /* mcasp0_ahclkr.spi1_cs0 */
>;
};
};
&i2c0 {
@ -65,6 +75,13 @@
status = "okay";
};
&spi1 {
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
status = "okay";
};
&lcdc {
hdmi = <&tda998x>;
};