Author: gonzo
Date: Wed Jan 16 01:08:34 2019
New Revision: 343069
URL: https://svnweb.freebsd.org/changeset/base/343069

Log:
  [rpi] Reorganize spigen(4) overlays for Raspberry Pi
  
  - 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: b...@mrp3.com
  Reviewed by:  db
  MFC after:    1 week
  Differential Revision:        https://reviews.freebsd.org/D16088

Added:
  head/sys/dts/arm64/overlays/spigen-rpi3.dtso   (contents, props changed)
Modified:
  head/sys/arm64/conf/GENERIC
  head/sys/dts/arm/overlays/spigen-rpi2.dtso
  head/sys/modules/dtb/rpi/Makefile

Modified: head/sys/arm64/conf/GENERIC
==============================================================================
--- head/sys/arm64/conf/GENERIC Wed Jan 16 00:39:23 2019        (r343068)
+++ head/sys/arm64/conf/GENERIC Wed Jan 16 01:08:34 2019        (r343069)
@@ -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"

Modified: head/sys/dts/arm/overlays/spigen-rpi2.dtso
==============================================================================
--- head/sys/dts/arm/overlays/spigen-rpi2.dtso  Wed Jan 16 00:39:23 2019        
(r343068)
+++ head/sys/dts/arm/overlays/spigen-rpi2.dtso  Wed Jan 16 01:08:34 2019        
(r343069)
@@ -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>;
 };
 

Added: head/sys/dts/arm64/overlays/spigen-rpi3.dtso
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/dts/arm64/overlays/spigen-rpi3.dtso        Wed Jan 16 01:08:34 
2019        (r343069)
@@ -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 */
+};
+

Modified: head/sys/modules/dtb/rpi/Makefile
==============================================================================
--- head/sys/modules/dtb/rpi/Makefile   Wed Jan 16 00:39:23 2019        
(r343068)
+++ head/sys/modules/dtb/rpi/Makefile   Wed Jan 16 01:08:34 2019        
(r343069)
@@ -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>
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