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[rpi] Reorganize spigen(4) overlays for Raspberry Pi

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- Remove CS=2 entry from spigen-rpi2 since it didn't work
- Add spigen-rpi3 overlay for Raspberry Pi 3
- Enable rpi overlay modules for GENERIC kernel on aarch64

PR:		233489
Submitted by:	bobf@mrp3.com
Reviewed by:	db
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D16088
This commit is contained in:
Oleksandr Tymoshenko 2019-01-16 01:08:34 +00:00
parent abfa3c39e7
commit 00a4815fc6
4 changed files with 39 additions and 13 deletions
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2
sys/arm64/conf/GENERIC
View File

@ -296,4 +296,4 @@ options FDT
device acpi
# DTBs
makeoptions MODULES_EXTRA="dtb/allwinner dtb/rockchip"
makeoptions MODULES_EXTRA="dtb/allwinner dtb/rockchip dtb/rpi"

13
sys/dts/arm/overlays/spigen-rpi2.dtso
View File

@ -12,6 +12,7 @@
spigen0: spigen0 {
compatible = "freebsd,spigen";
reg = <0>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
spigen1: spigen1 {
@ -20,20 +21,10 @@
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
spigen2: spigen2 {
compatible = "freebsd,spigen";
reg = <2>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
};
&{/soc/gpio@7e200000/spi0_cs_pins} {
brcm,pins = <8 7 16>;
brcm,pins = <8 7>;
brcm,function = <4>; /* ALT0 */
};
&{/soc/gpio@7e200000/spi0_gpio7} {
brcm,pins = <7 8 16 9 10 11>;
};

30
sys/dts/arm64/overlays/spigen-rpi3.dtso Normal file
View File

@ -0,0 +1,30 @@
/* $FreeBSD$ */
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2837";
};
&{/soc/spi@7e204000} {
status = "okay";
spigen0: spigen0 {
compatible = "freebsd,spigen";
reg = <0>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
spigen1: spigen1 {
compatible = "freebsd,spigen";
reg = <1>;
spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
status = "okay";
};
};
&{/soc/gpio@7e200000/spi0_cs_pins} {
brcm,pins = <8 7>;
brcm,function = <4>; /* ALT0 */
};

7
sys/modules/dtb/rpi/Makefile
View File

@ -1,7 +1,12 @@
# $FreeBSD$
# DTS files for the Raspberry Pi-B
.if ${MACHINE_ARCH:Marmv[67]*} != ""
DTSO= \
spigen-rpi-b.dtso \
spigen-rpi2.dtso \
spigen-rpi2.dtso
.elif ${MACHINE_ARCH} == "aarch64"
DTSO= \
spigen-rpi3.dtso
.endif
.include <bsd.dtb.mk>