From patchwork Fri Jan 30 10:33:05 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 5748851 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6CF2B9F39B for ; Fri, 30 Jan 2015 10:36:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 961C220274 for ; Fri, 30 Jan 2015 10:36:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3969C20265 for ; Fri, 30 Jan 2015 10:36:51 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YH8uL-0007GX-Ks; Fri, 30 Jan 2015 10:34:37 +0000 Received: from mail.kmu-office.ch ([178.209.48.109]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YH8ty-00071u-Hv for linux-arm-kernel@lists.infradead.org; Fri, 30 Jan 2015 10:34:17 +0000 Received: from trochilidae.toradex.int (unknown [46.140.72.82]) by mail.kmu-office.ch (Postfix) with ESMTPSA id D6C785C0FBE; Fri, 30 Jan 2015 11:31:46 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=agner.ch; s=dkim; t=1422613907; bh=j5eccAnSjKLchajsMSr/7uXlG2fqhmMUVPLMUksajuA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YH+gFa3l1riAd6ucvQc23G2hn/Cd9DSizXRBnOeqInwb5IKV9rIto6kdch8mpkctv P2s7loFi8D+Oky4wj/bU5dhSBIblHjleGM8I2Lm44Lp6eUbCXSnB2IhIr3Btjl8Efi 5KXTsFf4onDraQ7/9T1SDwckduTWESDLtjFMlO4E= From: Stefan Agner To: tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com Subject: [PATCH v4 3/3] ARM: dts: vf610: add Miscellaneous System Control Module (MSCM) Date: Fri, 30 Jan 2015 11:33:05 +0100 Message-Id: <1422613985-11726-4-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.2.2 In-Reply-To: <1422613985-11726-1-git-send-email-stefan@agner.ch> References: <1422613985-11726-1-git-send-email-stefan@agner.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150130_023414_999757_36AEE1F9 X-CRM114-Status: GOOD ( 12.91 ) X-Spam-Score: -0.1 (/) Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, linux@arm.linux.org.uk, arnd@arndb.de, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux-kernel@vger.kernel.org, stefan@agner.ch, robh+dt@kernel.org, kernel@pengutronix.de, u.kleine-koenig@pengutronix.de, shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add the Miscellaneous System Control Module (MSCM) to the base device tree for Vybrid SoC's. This module contains registers to get information of the individual and current (accessing) CPU. In a second block, there is an interrupt router, which handles the routing of the interrupts between the two CPU cores on VF6xx variants of the SoC. However, also on single core variants the interrupt router needs to be configured in order to receive interrupts on the CPU's interrupt controller. Almost all peripheral interrupts are routed through the router, hence the MSCM module is the default interrupt parent for this SoC. In a earlier commit the interrupt nodes were moved out of the peripheral nodes and specified in the CPU specific vf500.dtsi device tree. This allowed to use the base device tree vfxxx.dtsi also for a Cortex-M4 specific device tree, which uses different interrupt nodes due to the NVIC interrupt controller. However, since the interrupt parent for peripherals is the MSCM module independently which CPU the device tree is used for, we can move the interrupt nodes into the base device tree vfxxx.dtsi again. Depending on which CPU this base device tree will be used with, the correct parent interrupt controller has to be assigned to the MSCM-IR node (GIC or NVIC). The driver takes care of the parent interrupt controller specific needs (interrupt-cells). Acked-by: Marc Zyngier Signed-off-by: Stefan Agner --- arch/arm/boot/dts/vf500.dtsi | 128 ++----------------------------------------- arch/arm/boot/dts/vfxxx.dtsi | 48 ++++++++++++++++ 2 files changed, 52 insertions(+), 124 deletions(-) diff --git a/arch/arm/boot/dts/vf500.dtsi b/arch/arm/boot/dts/vf500.dtsi index de67005..9747f97 100644 --- a/arch/arm/boot/dts/vf500.dtsi +++ b/arch/arm/boot/dts/vf500.dtsi @@ -24,14 +24,13 @@ }; soc { - interrupt-parent = <&intc>; - aips-bus@40000000 { intc: interrupt-controller@40002000 { compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; interrupt-controller; + interrupt-parent = <&intc>; reg = <0x40003000 0x1000>, <0x40002100 0x100>; }; @@ -40,132 +39,13 @@ compatible = "arm,cortex-a9-global-timer"; reg = <0x40002200 0x20>; interrupts = ; + interrupt-parent = <&intc>; clocks = <&clks VF610_CLK_PLATFORM_BUS>; }; }; }; }; -&adc0 { - interrupts = ; -}; - -&adc1 { - interrupts = ; -}; - -&can0 { - interrupts = ; -}; - -&can1 { - interrupts = ; -}; - -&dspi0 { - interrupts = ; -}; - -&edma0 { - interrupts = , - ; - interrupt-names = "edma-tx", "edma-err"; -}; - -&edma1 { - interrupts = , - ; - interrupt-names = "edma-tx", "edma-err"; -}; - -&esdhc1 { - interrupts = ; -}; - -&fec0 { - interrupts = ; -}; - -&fec1 { - interrupts = ; -}; - -&ftm { - interrupts = ; -}; - -&gpio1 { - interrupts = ; -}; - -&gpio2 { - interrupts = ; -}; - -&gpio3 { - interrupts = ; -}; - -&gpio4 { - interrupts = ; -}; - -&gpio5 { - interrupts = ; -}; - -&i2c0 { - interrupts = ; -}; - -&pit { - interrupts = ; -}; - -&qspi0 { - interrupts = ; -}; - -&sai2 { - interrupts = ; -}; - -&uart0 { - interrupts = ; -}; - -&uart1 { - interrupts = ; -}; - -&uart2 { - interrupts = ; -}; - -&uart3 { - interrupts = ; -}; - -&uart4 { - interrupts = ; -}; - -&uart5 { - interrupts = ; -}; - -&usbdev0 { - interrupts = ; -}; - -&usbh1 { - interrupts = ; -}; - -&usbphy0 { - interrupts = ; -}; - -&usbphy1 { - interrupts = ; +&mscm_ir { + interrupt-parent = <&intc>; }; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 505969a..731ae9f 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -47,6 +47,7 @@ #address-cells = <1>; #size-cells = <1>; compatible = "simple-bus"; + interrupt-parent = <&mscm_ir>; ranges; aips0: aips-bus@40000000 { @@ -55,6 +56,19 @@ #size-cells = <1>; ranges; + mscm_cpucfg: cpucfg@40001000 { + compatible = "fsl,vf610-mscm-cpucfg", "syscon"; + reg = <0x40001000 0x800>; + }; + + mscm_ir: interrupt-controller@40001800 { + compatible = "fsl,vf610-mscm-ir"; + reg = <0x40001800 0x400>; + fsl,cpucfg = <&mscm_cpucfg>; + interrupt-controller; + #interrupt-cells = <2>; + }; + edma0: dma-controller@40018000 { #dma-cells = <2>; compatible = "fsl,vf610-edma"; @@ -62,6 +76,9 @@ <0x40024000 0x1000>, <0x40025000 0x1000>; dma-channels = <32>; + interrupts = <8 IRQ_TYPE_LEVEL_HIGH>, + <9 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "edma-tx", "edma-err"; clock-names = "dmamux0", "dmamux1"; clocks = <&clks VF610_CLK_DMAMUX0>, <&clks VF610_CLK_DMAMUX1>; @@ -71,6 +88,7 @@ can0: flexcan@40020000 { compatible = "fsl,vf610-flexcan"; reg = <0x40020000 0x4000>; + interrupts = <58 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_FLEXCAN0>, <&clks VF610_CLK_FLEXCAN0>; clock-names = "ipg", "per"; @@ -80,6 +98,7 @@ uart0: serial@40027000 { compatible = "fsl,vf610-lpuart"; reg = <0x40027000 0x1000>; + interrupts = <61 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_UART0>; clock-names = "ipg"; dmas = <&edma0 0 2>, @@ -91,6 +110,7 @@ uart1: serial@40028000 { compatible = "fsl,vf610-lpuart"; reg = <0x40028000 0x1000>; + interrupts = <62 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_UART1>; clock-names = "ipg"; dmas = <&edma0 0 4>, @@ -102,6 +122,7 @@ uart2: serial@40029000 { compatible = "fsl,vf610-lpuart"; reg = <0x40029000 0x1000>; + interrupts = <63 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_UART2>; clock-names = "ipg"; dmas = <&edma0 0 6>, @@ -113,6 +134,7 @@ uart3: serial@4002a000 { compatible = "fsl,vf610-lpuart"; reg = <0x4002a000 0x1000>; + interrupts = <64 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_UART3>; clock-names = "ipg"; dmas = <&edma0 0 8>, @@ -126,6 +148,7 @@ #size-cells = <0>; compatible = "fsl,vf610-dspi"; reg = <0x4002c000 0x1000>; + interrupts = <67 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_DSPI0>; clock-names = "dspi"; spi-num-chipselects = <5>; @@ -135,6 +158,7 @@ sai2: sai@40031000 { compatible = "fsl,vf610-sai"; reg = <0x40031000 0x1000>; + interrupts = <86 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_SAI2>; clock-names = "sai"; dma-names = "tx", "rx"; @@ -146,6 +170,7 @@ pit: pit@40037000 { compatible = "fsl,vf610-pit"; reg = <0x40037000 0x1000>; + interrupts = <39 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_PIT>; clock-names = "pit"; }; @@ -179,6 +204,7 @@ adc0: adc@4003b000 { compatible = "fsl,vf610-adc"; reg = <0x4003b000 0x1000>; + interrupts = <53 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_ADC0>; clock-names = "adc"; status = "disabled"; @@ -197,6 +223,7 @@ #size-cells = <0>; compatible = "fsl,vf610-qspi"; reg = <0x40044000 0x1000>; + interrupts = <24 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_QSPI0_EN>, <&clks VF610_CLK_QSPI0>; clock-names = "qspi_en", "qspi"; @@ -214,6 +241,7 @@ reg = <0x40049000 0x1000 0x400ff000 0x40>; gpio-controller; #gpio-cells = <2>; + interrupts = <107 IRQ_TYPE_LEVEL_HIGH>; interrupt-controller; #interrupt-cells = <2>; gpio-ranges = <&iomuxc 0 0 32>; @@ -224,6 +252,7 @@ reg = <0x4004a000 0x1000 0x400ff040 0x40>; gpio-controller; #gpio-cells = <2>; + interrupts = <108 IRQ_TYPE_LEVEL_HIGH>; interrupt-controller; #interrupt-cells = <2>; gpio-ranges = <&iomuxc 0 32 32>; @@ -234,6 +263,7 @@ reg = <0x4004b000 0x1000 0x400ff080 0x40>; gpio-controller; #gpio-cells = <2>; + interrupts = <109 IRQ_TYPE_LEVEL_HIGH>; interrupt-controller; #interrupt-cells = <2>; gpio-ranges = <&iomuxc 0 64 32>; @@ -244,6 +274,7 @@ reg = <0x4004c000 0x1000 0x400ff0c0 0x40>; gpio-controller; #gpio-cells = <2>; + interrupts = <110 IRQ_TYPE_LEVEL_HIGH>; interrupt-controller; #interrupt-cells = <2>; gpio-ranges = <&iomuxc 0 96 32>; @@ -254,6 +285,7 @@ reg = <0x4004d000 0x1000 0x400ff100 0x40>; gpio-controller; #gpio-cells = <2>; + interrupts = <111 IRQ_TYPE_LEVEL_HIGH>; interrupt-controller; #interrupt-cells = <2>; gpio-ranges = <&iomuxc 0 128 7>; @@ -267,6 +299,7 @@ usbphy0: usbphy@40050800 { compatible = "fsl,vf610-usbphy"; reg = <0x40050800 0x400>; + interrupts = <50 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_USBPHY0>; fsl,anatop = <&anatop>; status = "disabled"; @@ -275,6 +308,7 @@ usbphy1: usbphy@40050c00 { compatible = "fsl,vf610-usbphy"; reg = <0x40050c00 0x400>; + interrupts = <51 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_USBPHY1>; fsl,anatop = <&anatop>; status = "disabled"; @@ -285,6 +319,7 @@ #size-cells = <0>; compatible = "fsl,vf610-i2c"; reg = <0x40066000 0x1000>; + interrupts = <71 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_I2C0>; clock-names = "ipg"; dmas = <&edma0 0 50>, @@ -304,6 +339,7 @@ usbdev0: usb@40034000 { compatible = "fsl,vf610-usb", "fsl,imx27-usb"; reg = <0x40034000 0x800>; + interrupts = <75 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_USBC0>; fsl,usbphy = <&usbphy0>; fsl,usbmisc = <&usbmisc0 0>; @@ -333,6 +369,9 @@ <0x400a1000 0x1000>, <0x400a2000 0x1000>; dma-channels = <32>; + interrupts = <10 IRQ_TYPE_LEVEL_HIGH>, + <11 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "edma-tx", "edma-err"; clock-names = "dmamux0", "dmamux1"; clocks = <&clks VF610_CLK_DMAMUX2>, <&clks VF610_CLK_DMAMUX3>; @@ -342,6 +381,7 @@ uart4: serial@400a9000 { compatible = "fsl,vf610-lpuart"; reg = <0x400a9000 0x1000>; + interrupts = <65 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_UART4>; clock-names = "ipg"; status = "disabled"; @@ -350,6 +390,7 @@ uart5: serial@400aa000 { compatible = "fsl,vf610-lpuart"; reg = <0x400aa000 0x1000>; + interrupts = <66 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_UART5>; clock-names = "ipg"; status = "disabled"; @@ -358,6 +399,7 @@ adc1: adc@400bb000 { compatible = "fsl,vf610-adc"; reg = <0x400bb000 0x1000>; + interrupts = <54 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_ADC1>; clock-names = "adc"; status = "disabled"; @@ -366,6 +408,7 @@ esdhc1: esdhc@400b2000 { compatible = "fsl,imx53-esdhc"; reg = <0x400b2000 0x1000>; + interrupts = <28 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_IPG_BUS>, <&clks VF610_CLK_PLATFORM_BUS>, <&clks VF610_CLK_ESDHC1>; @@ -376,6 +419,7 @@ usbh1: usb@400b4000 { compatible = "fsl,vf610-usb", "fsl,imx27-usb"; reg = <0x400b4000 0x800>; + interrupts = <76 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_USBC1>; fsl,usbphy = <&usbphy1>; fsl,usbmisc = <&usbmisc1 0>; @@ -394,6 +438,7 @@ ftm: ftm@400b8000 { compatible = "fsl,ftm-timer"; reg = <0x400b8000 0x1000 0x400b9000 0x1000>; + interrupts = <44 IRQ_TYPE_LEVEL_HIGH>; clock-names = "ftm-evt", "ftm-src", "ftm-evt-counter-en", "ftm-src-counter-en"; clocks = <&clks VF610_CLK_FTM2>, @@ -406,6 +451,7 @@ fec0: ethernet@400d0000 { compatible = "fsl,mvf600-fec"; reg = <0x400d0000 0x1000>; + interrupts = <78 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_ENET0>, <&clks VF610_CLK_ENET0>, <&clks VF610_CLK_ENET>; @@ -416,6 +462,7 @@ fec1: ethernet@400d1000 { compatible = "fsl,mvf600-fec"; reg = <0x400d1000 0x1000>; + interrupts = <79 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_ENET1>, <&clks VF610_CLK_ENET1>, <&clks VF610_CLK_ENET>; @@ -426,6 +473,7 @@ can1: flexcan@400d4000 { compatible = "fsl,vf610-flexcan"; reg = <0x400d4000 0x4000>; + interrupts = <59 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks VF610_CLK_FLEXCAN1>, <&clks VF610_CLK_FLEXCAN1>; clock-names = "ipg", "per";