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[66.90.148.213]) by smtp.gmail.com with ESMTPSA id c24sm499654oih.41.2021.10.22.16.25.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Oct 2021 16:25:45 -0700 (PDT) Received: (nullmailer pid 3365511 invoked by uid 1000); Fri, 22 Oct 2021 23:25:44 -0000 Date: Fri, 22 Oct 2021 18:25:44 -0500 From: Rob Herring To: qinjian Cc: tglx@linutronix.de, maz@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/4] dt-bindings: interrupt-controller: Add bindings for SP7021 interrupt controller Message-ID: References: <20211022060737.281116-1-qinjian@cqplus1.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211022060737.281116-1-qinjian@cqplus1.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211022_162546_963463_BBE484FB X-CRM114-Status: GOOD ( 23.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Oct 22, 2021 at 02:07:37PM +0800, qinjian wrote: > Add documentation to describe Sunplus SP7021 interrupt controller bindings. > > Signed-off-by: qinjian > --- > .../sunplus,sp7021-intc.yaml | 69 +++++++++++++++++++ > MAINTAINERS | 2 + > .../interrupt-controller/sp7021-intc.h | 24 +++++++ > 3 files changed, 95 insertions(+) > create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml > create mode 100644 include/dt-bindings/interrupt-controller/sp7021-intc.h > > diff --git a/Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml > new file mode 100644 > index 000000000..73719f65b > --- /dev/null > +++ b/Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml > @@ -0,0 +1,69 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +# Copyright (C) Sunplus Co., Ltd. 2021 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/interrupt-controller/sunplus,sp7021-intc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Sunplus SP7021 SoC Interrupt Controller Device Tree Bindings > + > +maintainers: > + - Qin Jian > + > +properties: > + compatible: > + items: > + - const: sunplus,sp7021-intc > + > + interrupt-controller: true > + > + "#interrupt-cells": > + const: 2 Looks like cell 1 is more than just 0-N hw irq numbers, so please describe the format of the cell. > + > + reg: > + maxItems: 1 > + > + interrupts: > + description: > + Interrupts references to primary interrupt controller How many? > + > + ext0-mask: > + description: > + cpu affinity of EXT_INT0. > + $ref: "/schemas/types.yaml#/definitions/uint32" > + minimum: 1 > + maximum: 16 > + > + ext1-mask: > + description: > + cpu affinity of EXT_INT1. > + $ref: "/schemas/types.yaml#/definitions/uint32" > + minimum: 1 > + maximum: 16 These need a vendor prefix. This assumes the DT cpu numbering is 0-N which isn't the case on all architectures (Arm specifically). > + > +required: > + - compatible > + - interrupt-controller > + - "#interrupt-cells" > + - reg > + - interrupts > + > +additionalProperties: false > + > +examples: > + - | > + #include > + > + intc: interrupt-controller@9c000780 { > + compatible = "sunplus,sp7021-intc"; > + interrupt-controller; > + #interrupt-cells = <2>; > + reg = <0x9c000780 0x80>, <0x9c000a80 0x80>; > + interrupt-parent = <&gic>; > + interrupts = , /* EXT_INT0 */ > + ; /* EXT_INT1 */ > + ext0-mask = <0xf>; /* core0-3 */ > + ext1-mask = <0xe>; /* core1-3 */ > + }; > + > +... > diff --git a/MAINTAINERS b/MAINTAINERS > index 7a78b1bbe..065da0846 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2660,6 +2660,8 @@ M: Qin Jian > L: linux-arm-kernel@lists.infradead.org (moderated for mon-subscribers) > S: Maintained > F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml > +F: Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml > +F: include/dt-bindings/interrupt-controller/sp7021-intc.h > > ARM/Synaptics SoC support > M: Jisheng Zhang > diff --git a/include/dt-bindings/interrupt-controller/sp7021-intc.h b/include/dt-bindings/interrupt-controller/sp7021-intc.h > new file mode 100644 > index 000000000..8f36e262e > --- /dev/null > +++ b/include/dt-bindings/interrupt-controller/sp7021-intc.h > @@ -0,0 +1,24 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ Dual license please. > +/* > + * Copyright (C) Sunplus Technology Co., Ltd. > + * All rights reserved. > + * > + * > + * This header provides constants for the SP7021 INTC > + */ > + > +#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_SP7021_INTC_H > +#define _DT_BINDINGS_INTERRUPT_CONTROLLER_SP7021_INTC_H > + > +#include > + > +/* > + * Interrupt specifier cell 1. > + * The flags in irq.h are valid, plus those below. > + */ > +#define SP_INTC_EXT_INT0 0x00000 > +#define SP_INTC_EXT_INT1 0x01000 > +#define SP_INTC_EXT_INT_MASK 0xff000 > +#define SP_INTC_EXT_INT_SHFIT 12 > + > +#endif > -- > 2.33.1 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel