From: "Marek Behún" <kabel@kernel.org>
To: Andrew Lunn <andrew@lunn.ch>,
Gregory Clement <gregory.clement@bootlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: "Rob Herring" <robh+dt@kernel.org>,
"Pali Rohár" <pali@kernel.org>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, "Marek Behún" <kabel@kernel.org>
Subject: [PATCH v2 10/10] ARM: dts: armada-39x.dtsi: Add definitions for PCIe legacy INTx interrupts
Date: Tue, 12 Jul 2022 18:41:08 +0200 [thread overview]
Message-ID: <20220712164108.30262-11-kabel@kernel.org> (raw)
In-Reply-To: <20220712164108.30262-1-kabel@kernel.org>
From: Pali Rohár <pali@kernel.org>
Add definitions for PCIe legacy INTx interrupts.
This is required for example in a scenario where a driver requests only
one of the legacy interrupts (INTA). Without this, the driver would be
notified on events on all 4 (INTA, INTB, INTC, INTD), even if it
requested only one of them.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
---
arch/arm/boot/dts/armada-39x.dtsi | 56 ++++++++++++++++++++++++++-----
1 file changed, 48 insertions(+), 8 deletions(-)
diff --git a/arch/arm/boot/dts/armada-39x.dtsi b/arch/arm/boot/dts/armada-39x.dtsi
index e0b7c2099831..923b035a3ab3 100644
--- a/arch/arm/boot/dts/armada-39x.dtsi
+++ b/arch/arm/boot/dts/armada-39x.dtsi
@@ -438,16 +438,26 @@ pcie@1,0 {
reg = <0x0800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
+ interrupt-names = "intx";
+ interrupts-extended = <&gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <1>;
ranges = <0x82000000 0 0 0x82000000 0x1 0 1 0
0x81000000 0 0 0x81000000 0x1 0 1 0>;
bus-range = <0x00 0xff>;
- interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie1_intc 0>,
+ <0 0 0 2 &pcie1_intc 1>,
+ <0 0 0 3 &pcie1_intc 2>,
+ <0 0 0 4 &pcie1_intc 3>;
marvell,pcie-port = <0>;
marvell,pcie-lane = <0>;
clocks = <&gateclk 8>;
status = "disabled";
+
+ pcie1_intc: interrupt-controller {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
};
/* x1 port */
@@ -457,16 +467,26 @@ pcie@2,0 {
reg = <0x1000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
+ interrupt-names = "intx";
+ interrupts-extended = <&gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <1>;
ranges = <0x82000000 0 0 0x82000000 0x2 0 1 0
0x81000000 0 0 0x81000000 0x2 0 1 0>;
bus-range = <0x00 0xff>;
- interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie2_intc 0>,
+ <0 0 0 2 &pcie2_intc 1>,
+ <0 0 0 3 &pcie2_intc 2>,
+ <0 0 0 4 &pcie2_intc 3>;
marvell,pcie-port = <1>;
marvell,pcie-lane = <0>;
clocks = <&gateclk 5>;
status = "disabled";
+
+ pcie2_intc: interrupt-controller {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
};
/* x1 port */
@@ -476,16 +496,26 @@ pcie@3,0 {
reg = <0x1800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
+ interrupt-names = "intx";
+ interrupts-extended = <&gic GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <1>;
ranges = <0x82000000 0 0 0x82000000 0x3 0 1 0
0x81000000 0 0 0x81000000 0x3 0 1 0>;
bus-range = <0x00 0xff>;
- interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie3_intc 0>,
+ <0 0 0 2 &pcie3_intc 1>,
+ <0 0 0 3 &pcie3_intc 2>,
+ <0 0 0 4 &pcie3_intc 3>;
marvell,pcie-port = <2>;
marvell,pcie-lane = <0>;
clocks = <&gateclk 6>;
status = "disabled";
+
+ pcie3_intc: interrupt-controller {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
};
/*
@@ -498,16 +528,26 @@ pcie@4,0 {
reg = <0x2000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
+ interrupt-names = "intx";
+ interrupts-extended = <&gic GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
#interrupt-cells = <1>;
ranges = <0x82000000 0 0 0x82000000 0x4 0 1 0
0x81000000 0 0 0x81000000 0x4 0 1 0>;
bus-range = <0x00 0xff>;
- interrupt-map-mask = <0 0 0 0>;
- interrupt-map = <0 0 0 0 &gic GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie4_intc 0>,
+ <0 0 0 2 &pcie4_intc 1>,
+ <0 0 0 3 &pcie4_intc 2>,
+ <0 0 0 4 &pcie4_intc 3>;
marvell,pcie-port = <3>;
marvell,pcie-lane = <0>;
clocks = <&gateclk 7>;
status = "disabled";
+
+ pcie4_intc: interrupt-controller {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
};
};
--
2.35.1
next prev parent reply other threads:[~2022-07-12 16:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-12 16:40 [PATCH v2 00/10] ARM: dts: mvebu: Add definitions for PCIe legacy INTx interrupts Marek Behún
2022-07-12 16:40 ` [PATCH v2 01/10] ARM: dts: kirkwood: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 02/10] ARM: dts: dove: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 03/10] ARM: dts: armada-370.dtsi: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 04/10] ARM: dts: armada-xp-98dx3236.dtsi: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 05/10] ARM: dts: armada-xp-mv78230.dtsi: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 06/10] ARM: dts: armada-xp-mv78260.dtsi: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 07/10] ARM: dts: armada-xp-mv78460.dtsi: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 08/10] ARM: dts: armada-375.dtsi: " Marek Behún
2022-07-12 16:41 ` [PATCH v2 09/10] ARM: dts: armada-380.dtsi: " Marek Behún
2022-07-12 16:41 ` Marek Behún [this message]
2022-07-12 16:59 ` [PATCH v2 00/10] ARM: dts: mvebu: " Andrew Lunn
2022-07-12 22:23 ` Marek Behún
2022-08-17 16:50 ` Pali Rohár
2022-09-02 14:51 ` Gregory CLEMENT
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