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Message-Id: <20211110225808.16388-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: Wed, 10 Nov 2021 22:58:02 +0000
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
To: Marc Zyngier <maz@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Rob Herring <robh+dt@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Philipp Zabel <p.zabel@...gutronix.de>
Cc: devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
Prabhakar <prabhakar.csengg@...il.com>,
Biju Das <biju.das.jz@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [RFC PATCH v3 1/7] dt-bindings: interrupt-controller: Add Renesas RZ/G2L Interrupt Controller
Add DT bindings for the Renesas RZ/G2L Interrupt Controller.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
.../renesas,rzg2l-irqc.yaml | 137 ++++++++++++++++++
1 file changed, 137 insertions(+)
create mode 100644 Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
diff --git a/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml b/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
new file mode 100644
index 000000000000..ebe318fe336b
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/renesas,rzg2l-irqc.yaml
@@ -0,0 +1,137 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/renesas,rzg2l-irqc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G2L Interrupt Controller
+
+maintainers:
+ - Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
+ - Geert Uytterhoeven <geert+renesas@...der.be>
+
+description: |
+ The RZ/G2L Interrupt Controller is a front-end for the GIC found on Renesas RZ/G2L SoC's
+ - IRQ sense select for 8 external interrupts, mapped to 8 GIC SPI interrupts
+ - GPIO pins used as external interrupt input pins, mapped to 32 GIC SPI interrupts
+ - NMI edge select (NMI is not treated as NMI exception and supports fall edge and
+ stand-up edge detection interrupts)
+
+allOf:
+ - $ref: /schemas/interrupt-controller.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,r9a07g044-irqc # RZ/G2L
+ - const: renesas,rzg2l-irqc
+
+ '#interrupt-cells':
+ const: 2
+
+ '#address-cells':
+ const: 0
+
+ interrupt-controller: true
+
+ reg:
+ maxItems: 1
+
+ interrupt-map:
+ maxItems: 41
+ description: Specifies the mapping from external interrupts to GIC interrupts.
+
+ interrupt-map-mask:
+ items:
+ - const: 40
+ - const: 0
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: clk
+ - const: pclk
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - '#interrupt-cells'
+ - '#address-cells'
+ - interrupt-controller
+ - reg
+ - interrupt-map
+ - interrupt-map-mask
+ - clocks
+ - clock-names
+ - power-domains
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/r9a07g044-cpg.h>
+
+ irqc: interrupt-controller@...a0000 {
+ compatible = "renesas,r9a07g044-irqc", "renesas,rzg2l-irqc";
+ #interrupt-cells = <2>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x110a0000 0x10000>;
+ interrupt-map = <0 0 &gic GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+ <1 0 &gic GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
+ <2 0 &gic GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+ <3 0 &gic GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+ <4 0 &gic GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+ <5 0 &gic GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
+ <6 0 &gic GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
+ <7 0 &gic GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
+ <8 0 &gic GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+ <9 0 &gic GIC_SPI 444 IRQ_TYPE_LEVEL_HIGH>,
+ <10 0 &gic GIC_SPI 445 IRQ_TYPE_LEVEL_HIGH>,
+ <11 0 &gic GIC_SPI 446 IRQ_TYPE_LEVEL_HIGH>,
+ <12 0 &gic GIC_SPI 447 IRQ_TYPE_LEVEL_HIGH>,
+ <13 0 &gic GIC_SPI 448 IRQ_TYPE_LEVEL_HIGH>,
+ <14 0 &gic GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>,
+ <15 0 &gic GIC_SPI 450 IRQ_TYPE_LEVEL_HIGH>,
+ <16 0 &gic GIC_SPI 451 IRQ_TYPE_LEVEL_HIGH>,
+ <17 0 &gic GIC_SPI 452 IRQ_TYPE_LEVEL_HIGH>,
+ <18 0 &gic GIC_SPI 453 IRQ_TYPE_LEVEL_HIGH>,
+ <19 0 &gic GIC_SPI 454 IRQ_TYPE_LEVEL_HIGH>,
+ <20 0 &gic GIC_SPI 455 IRQ_TYPE_LEVEL_HIGH>,
+ <21 0 &gic GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>,
+ <22 0 &gic GIC_SPI 457 IRQ_TYPE_LEVEL_HIGH>,
+ <23 0 &gic GIC_SPI 458 IRQ_TYPE_LEVEL_HIGH>,
+ <24 0 &gic GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>,
+ <25 0 &gic GIC_SPI 460 IRQ_TYPE_LEVEL_HIGH>,
+ <26 0 &gic GIC_SPI 461 IRQ_TYPE_LEVEL_HIGH>,
+ <27 0 &gic GIC_SPI 462 IRQ_TYPE_LEVEL_HIGH>,
+ <28 0 &gic GIC_SPI 463 IRQ_TYPE_LEVEL_HIGH>,
+ <29 0 &gic GIC_SPI 464 IRQ_TYPE_LEVEL_HIGH>,
+ <30 0 &gic GIC_SPI 465 IRQ_TYPE_LEVEL_HIGH>,
+ <31 0 &gic GIC_SPI 466 IRQ_TYPE_LEVEL_HIGH>,
+ <32 0 &gic GIC_SPI 467 IRQ_TYPE_LEVEL_HIGH>,
+ <33 0 &gic GIC_SPI 468 IRQ_TYPE_LEVEL_HIGH>,
+ <34 0 &gic GIC_SPI 469 IRQ_TYPE_LEVEL_HIGH>,
+ <35 0 &gic GIC_SPI 470 IRQ_TYPE_LEVEL_HIGH>,
+ <36 0 &gic GIC_SPI 471 IRQ_TYPE_LEVEL_HIGH>,
+ <37 0 &gic GIC_SPI 472 IRQ_TYPE_LEVEL_HIGH>,
+ <38 0 &gic GIC_SPI 473 IRQ_TYPE_LEVEL_HIGH>,
+ <39 0 &gic GIC_SPI 474 IRQ_TYPE_LEVEL_HIGH>,
+ <40 0 &gic GIC_SPI 475 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <40 0>;
+ clocks = <&cpg CPG_MOD R9A07G044_IA55_CLK>,
+ <&cpg CPG_MOD R9A07G044_IA55_PCLK>;
+ clock-names = "clk", "pclk";
+ power-domains = <&cpg>;
+ resets = <&cpg R9A07G044_IA55_RESETN>;
+ };
--
2.17.1
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