On 20.01.21 14:27, Mohamed Mediouni wrote:
From: Stan Skowronek <s...@corellium.com>
Apple SoCs use the Apple AIC interrupt controller.
The Arm architectural timers is wired over FIQ on that hardware.
Signed-off-by: Stan Skowronek <s...@corellium.com>
Signed-off-by: Mohamed Mediouni <mohamed.medio...@caramail.com>
---
.../interrupt-controller/apple,aic.yaml | 49 ++++
MAINTAINERS | 6 +
drivers/irqchip/Kconfig | 6 +
drivers/irqchip/Makefile | 1 +
drivers/irqchip/irq-apple-aic.c | 211 ++++++++++++++++++
5 files changed, 273 insertions(+)
create mode 100644
Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
create mode 100644 drivers/irqchip/irq-apple-aic.c
diff --git
a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
new file mode 100644
index 000000000000..e615eaaca869
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/apple,aic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Apple Advanced Interrupt Controller (AIC)
+
+description:
+ Interrupt controller present on Apple processors. AIC
+ is used by Apple on their AArch64 SoCs since the Apple A7.
+
+maintainers:
+ - Stan Skowronek <s...@corellium.com>
+
+properties:
+ compatible:
+ items:
+ - const: apple,aic
+
+ reg:
+ maxItems: 1
+
+ '#interrupt-cells':
+ const: 3
+
+ interrupt-controller: true
+
+ fast-ipi:
+ description:
+ Fast IPI support.
+
+required:
+ - compatible
+ - '#interrupt-cells'
+ - interrupt-controller
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ aic: interrupt-controller@23b100000 {
+ compatible = "apple,aic";
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ reg = <0x2 0x3b100000 0x0 0x8000>;
+ fast-ipi;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 00836f6452f0..e609ede99dd4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1218,6 +1218,12 @@ T: git
git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
F: Documentation/admin-guide/LSM/apparmor.rst
F: security/apparmor/
+APPLE ADVANCED INTERRUPT CONTROLLER DRIVER
+M: Stan Skowronek <s...@corellium.com>
Signing someone else up for maintainership is ... unusual :). Do you
have buy in from Stan that he'll be responsive and handle patch reviews?
+L: linux-arm-ker...@lists.infradead.org
+S: Maintained
+F: drivers/irqchip/irq-apple-aic.c
+
Alex
Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879
