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arm64: r8a7795 INTC-EX support using RENESAS_IRQC

Magnus Damm linux-renesas-soc 1 version New

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  1. v1 Latest2 patches 0 repliesNew

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#Subject and filesSizeRepliesApplied
1/2arm64: dts: r8a7795: Add INTC-EX device nodearch/arm64/boot/dts/renesas/r8a7795.dtsi+15 -00 replies
2/2arm64: renesas: Enable RENESAS_IRQCarch/arm64/Kconfig.platforms+1 -00 replies

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Cover letter [PATCH 00/02] arm64: r8a7795 INTC-EX support using RENESAS_IRQC

arm64: r8a7795 INTC-EX support using RENESAS_IRQC

[PATCH 01/02] arm64: dts: r8a7795: Add INTC-EX device node [PATCH 02/02] arm64: renesas: Enable RENESAS_IRQC

These two patches add the INTC-EX device node to the r8a7795 DTSI file and selects RENESAS_IRQC to enable the irqchip driver. Those two together allow r8a7795 based platforms to use external interrupt pins IRQ0 -> IRQ5.

The patches in this series can be merged independently in any order, but for complete run time support the following two patches are also required:

[PATCH] pinctrl: sh-pfc: r8a7795: Add support for INTC-EX IRQ pins [PATCH] clk: shmobile: r8a7795: Add INTC-EX clock

The DT compat string "renesas,intc-ex-r8a7795" is already included in Documentation/devicetree/bindings/interrupt-controller/renesas,irqc.txt

Tested on r8a7795 Salvator-X by toggling IRQ2 using an external GPIO connected via a loop back adapter on EXIO_D.

Signed-off-by Magnus Damm <[email protected]>

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Developed on top of renesas-drivers-2016-02-09-v4.5-rc3

 arch/arm64/Kconfig.platforms             |    1 +
 arch/arm64/boot/dts/renesas/r8a7795.dtsi |   15 +++++++++++++++
 2 files changed, 16 insertions(+)

Read the cover letter in its thread