diff options
Diffstat (limited to 'target/linux/ramips/patches-3.8/0012-Document-devicetree-add-OF-documents-for-MIPS-interr.patch')
-rw-r--r-- | target/linux/ramips/patches-3.8/0012-Document-devicetree-add-OF-documents-for-MIPS-interr.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/ramips/patches-3.8/0012-Document-devicetree-add-OF-documents-for-MIPS-interr.patch b/target/linux/ramips/patches-3.8/0012-Document-devicetree-add-OF-documents-for-MIPS-interr.patch deleted file mode 100644 index b7ce7c9427..0000000000 --- a/target/linux/ramips/patches-3.8/0012-Document-devicetree-add-OF-documents-for-MIPS-interr.patch +++ /dev/null @@ -1,70 +0,0 @@ -From dae867771332e7541783ebb6bacf33356ad449b3 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 31 Jan 2013 13:44:10 +0100 -Subject: [PATCH 12/79] Document: devicetree: add OF documents for MIPS - interrupt controller - -Signed-off-by: John Crispin <blogic@openwrt.org> -Acked-by: David Daney <david.daney@cavium.com> -Patchwork: http://patchwork.linux-mips.org/patch/4901/ ---- - Documentation/devicetree/bindings/mips/cpu_irq.txt | 47 ++++++++++++++++++++ - 1 file changed, 47 insertions(+) - create mode 100644 Documentation/devicetree/bindings/mips/cpu_irq.txt - -diff --git a/Documentation/devicetree/bindings/mips/cpu_irq.txt b/Documentation/devicetree/bindings/mips/cpu_irq.txt -new file mode 100644 -index 0000000..13aa4b6 ---- /dev/null -+++ b/Documentation/devicetree/bindings/mips/cpu_irq.txt -@@ -0,0 +1,47 @@ -+MIPS CPU interrupt controller -+ -+On MIPS the mips_cpu_intc_init() helper can be used to initialize the 8 CPU -+IRQs from a devicetree file and create a irq_domain for IRQ controller. -+ -+With the irq_domain in place we can describe how the 8 IRQs are wired to the -+platforms internal interrupt controller cascade. -+ -+Below is an example of a platform describing the cascade inside the devicetree -+and the code used to load it inside arch_init_irq(). -+ -+Required properties: -+- compatible : Should be "mti,cpu-interrupt-controller" -+ -+Example devicetree: -+ cpu-irq: cpu-irq@0 { -+ #address-cells = <0>; -+ -+ interrupt-controller; -+ #interrupt-cells = <1>; -+ -+ compatible = "mti,cpu-interrupt-controller"; -+ }; -+ -+ intc: intc@200 { -+ compatible = "ralink,rt2880-intc"; -+ reg = <0x200 0x100>; -+ -+ interrupt-controller; -+ #interrupt-cells = <1>; -+ -+ interrupt-parent = <&cpu-irq>; -+ interrupts = <2>; -+ }; -+ -+ -+Example platform irq.c: -+static struct of_device_id __initdata of_irq_ids[] = { -+ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init }, -+ { .compatible = "ralink,rt2880-intc", .data = intc_of_init }, -+ {}, -+}; -+ -+void __init arch_init_irq(void) -+{ -+ of_irq_init(of_irq_ids); -+} --- -1.7.10.4 - |