[PATCH 3/8] ARM64: dts: Prepare configs for Amlogic Meson GXBaby
From: Sudeep Holla <hidden>
Date: 2016-03-01 14:43:27
Also in:
linux-devicetree, lkml
On 29/02/16 23:44, Andreas F?rber wrote:
quoted hunk ↗ jump to hunk
Signed-off-by: Andreas F?rber <afaerber@suse.de> --- arch/arm64/boot/dts/Makefile | 1 + arch/arm64/boot/dts/amlogic/Makefile | 3 + arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 128 ++++++++++++++++++++++++++++ 3 files changed, 132 insertions(+) create mode 100644 arch/arm64/boot/dts/amlogic/Makefile create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxbb.dtsidiff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index fd80617a9c6f..330fae966cf3 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile@@ -1,6 +1,7 @@ dts-dirs += al dts-dirs += altera dts-dirs += amd +dts-dirs += amlogic dts-dirs += apm dts-dirs += arm dts-dirs += broadcomdiff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile new file mode 100644 index 000000000000..1b06c28c67eb --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/Makefile@@ -0,0 +1,3 @@ +always := $(dtb-y) +subdir-y := $(dts-dirs) +clean-files := *.dtbdiff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi new file mode 100644 index 000000000000..0ae089bd1806 --- /dev/null +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi@@ -0,0 +1,128 @@
[...]
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+ compatible = "amlogic,meson-gxbb";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <0x2>;
+ #size-cells = <0x0>;
+[...]
+ };
+
+ arm-pmu {
+ compatible = "arm,armv8-pmuv3";Please use "arm,cortex-a53-pmu" instead
+ interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+ };
+
+ psci {
+ compatible = "arm,psci";Any particular reason why PSCI v0.2 or above is not supported on this platform. PSCI v0.1 is very old now and I assume this platform is relatively new.
+ method = "smc"; + cpu_suspend = <0xc4000001>; + cpu_off = <0x84000002>; + cpu_on = <0xc4000003>; + migrate = <0xc4000005>;
Atleast the functions ids look like v0.2 or above. So check if it's actually v0.2 or above in which case you can drop all the function ids above [...]
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ gic: interrupt-controller at c4301000 {
+ compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";Preferably "arm,gic-400" ? -- Regards, Sudeep