Author: loos
Date: Wed Mar 30 17:32:14 2016
New Revision: 297426
URL: https://svnweb.freebsd.org/changeset/base/297426
Log:
Enable SPI1 on Beaglebone Black.
SPI1 was chosen because SPI0 shares the gpio pins with I2C1.
Sponsored by: Rubicon Communications (Netgate)
Modified:
head/sys/arm/conf/BEAGLEBONE
head/sys/boot/fdt/dts/arm/beaglebone-black.dts
Modified: head/sys/arm/conf/BEAGLEBONE
==============================================================================
--- head/sys/arm/conf/BEAGLEBONE Wed Mar 30 17:18:49 2016
(r297425)
+++ head/sys/arm/conf/BEAGLEBONE Wed Mar 30 17:32:14 2016
(r297426)
@@ -87,6 +87,10 @@ device gpio
device gpioled
device gpiobacklight
+# SPI
+device ti_spi
+device spibus
+
# ADC support
device ti_adc
Modified: head/sys/boot/fdt/dts/arm/beaglebone-black.dts
==============================================================================
--- head/sys/boot/fdt/dts/arm/beaglebone-black.dts Wed Mar 30 17:18:49
2016 (r297425)
+++ head/sys/boot/fdt/dts/arm/beaglebone-black.dts Wed Mar 30 17:32:14
2016 (r297426)
@@ -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>;
};
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