aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLuiz Otavio O Souza <loos@FreeBSD.org>2016-03-30 17:32:14 +0000
committerLuiz Otavio O Souza <loos@FreeBSD.org>2016-03-30 17:32:14 +0000
commit191004d586d495d2bf122ac2d6653ae640609b5c (patch)
tree32288fe1d365108e970bc0958f114980c8b4af34
parent66002d40880624d65579ee7c3612c242cf083255 (diff)
downloadsrc-191004d586d495d2bf122ac2d6653ae640609b5c.tar.gz
src-191004d586d495d2bf122ac2d6653ae640609b5c.zip
Enable SPI1 on Beaglebone Black.
SPI1 was chosen because SPI0 shares the gpio pins with I2C1. Sponsored by: Rubicon Communications (Netgate)
Notes
Notes: svn path=/head/; revision=297426
-rw-r--r--sys/arm/conf/BEAGLEBONE4
-rw-r--r--sys/boot/fdt/dts/arm/beaglebone-black.dts17
2 files changed, 21 insertions, 0 deletions
diff --git a/sys/arm/conf/BEAGLEBONE b/sys/arm/conf/BEAGLEBONE
index 3950e17b3008..0ba1f5de7002 100644
--- a/sys/arm/conf/BEAGLEBONE
+++ b/sys/arm/conf/BEAGLEBONE
@@ -87,6 +87,10 @@ device gpio
device gpioled
device gpiobacklight
+# SPI
+device ti_spi
+device spibus
+
# ADC support
device ti_adc
diff --git a/sys/boot/fdt/dts/arm/beaglebone-black.dts b/sys/boot/fdt/dts/arm/beaglebone-black.dts
index c96c41f9dcd5..660550534953 100644
--- a/sys/boot/fdt/dts/arm/beaglebone-black.dts
+++ b/sys/boot/fdt/dts/arm/beaglebone-black.dts
@@ -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>;
};