[PATCH v3 2/2] arm64: Add Juno board device tree.
From: Marc Zyngier <hidden>
Date: 2014-11-26 10:30:40
Also in:
linux-devicetree, lkml
Hi Liviu, On 11/11/14 17:32, Liviu Dudau wrote:
This adds support for ARM's Juno development board (rev 0). It enables most of the board peripherals: UART, I2C, USB, MMC and 100Mb ethernet. There is no support at the moment for clock setting and HDLCD driver which depends on it. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> --- arch/arm64/boot/dts/arm/Makefile | 1 + arch/arm64/boot/dts/arm/juno-clocks.dtsi | 45 ++++++ arch/arm64/boot/dts/arm/juno-motherboard.dtsi | 129 +++++++++++++++ arch/arm64/boot/dts/arm/juno.dts | 218 ++++++++++++++++++++++++++ 4 files changed, 393 insertions(+) create mode 100644 arch/arm64/boot/dts/arm/juno-clocks.dtsi create mode 100644 arch/arm64/boot/dts/arm/juno-motherboard.dtsi create mode 100644 arch/arm64/boot/dts/arm/juno.dts
[...]
quoted hunk ↗ jump to hunk
diff --git a/arch/arm64/boot/dts/arm/juno.dts b/arch/arm64/boot/dts/arm/juno.dts new file mode 100644 index 0000000..097ecc4 --- /dev/null +++ b/arch/arm64/boot/dts/arm/juno.dts
[...]
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_EDGE_RISING)>;
+ };Sorry, I should have spotted this earlier: all these interrupts are *level*, not edge. This happens to work because the GIC's config register is RO for PPIs on Juno, but still... Thanks, M. -- Jazz is not dead. It just smells funny...