From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762678AbbA2Kgf (ORCPT ); Thu, 29 Jan 2015 05:36:35 -0500 Received: from down.free-electrons.com ([37.187.137.238]:59806 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762469AbbA2Kdt (ORCPT ); Thu, 29 Jan 2015 05:33:49 -0500 From: Boris Brezillon To: Thomas Gleixner , Jason Cooper , Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Rob Herring Cc: Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org, "Rafael J. Wysocki" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Boris Brezillon Subject: [PATCH v4 5/5] ARM: at91/dt: define a virtual irq demultiplexer chip connected on irq1 Date: Thu, 29 Jan 2015 11:33:40 +0100 Message-Id: <1422527620-8308-6-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1422527620-8308-1-git-send-email-boris.brezillon@free-electrons.com> References: <1422527620-8308-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org IRQ1 is multiplexing several peripheral IRQs, but there's no way to properly demultiplex those IRQs. Use a virtual irq demux chip to achieve this demultiplexing operation. Signed-off-by: Boris Brezillon --- arch/arm/boot/dts/at91rm9200.dtsi | 20 +++++++++++++++++--- arch/arm/boot/dts/at91sam9260.dtsi | 26 +++++++++++++++++++++----- arch/arm/boot/dts/at91sam9261.dtsi | 26 +++++++++++++++++++++----- arch/arm/boot/dts/at91sam9263.dtsi | 29 +++++++++++++++++++++++------ arch/arm/boot/dts/at91sam9g45.dtsi | 29 +++++++++++++++++++++++------ arch/arm/boot/dts/at91sam9n12.dtsi | 25 +++++++++++++++++++++---- arch/arm/boot/dts/at91sam9rl.dtsi | 29 +++++++++++++++++++++++------ arch/arm/boot/dts/at91sam9x5.dtsi | 26 +++++++++++++++++++++----- 8 files changed, 170 insertions(+), 40 deletions(-) diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index 6c97d4a..c5f673b 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -94,7 +94,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91rm9200-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -353,7 +353,7 @@ st: timer@fffffd00 { compatible = "atmel,at91rm9200-st"; reg = <0xfffffd00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; }; tcb0: timer@fffa0000 { @@ -820,7 +820,7 @@ dbgu: serial@fffff200 { compatible = "atmel,at91rm9200-usart"; reg = <0xfffff200 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -944,4 +944,18 @@ #size-cells = <0>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: ST + * 2: DBGU + */ + irqs = <0x7>; + }; }; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index dd1313c..bf7a6a2 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -97,7 +97,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91sam9260-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -364,7 +364,7 @@ pit: timer@fffffd30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffd30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; @@ -750,7 +750,7 @@ dbgu: serial@fffff200 { compatible = "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -959,7 +959,7 @@ rtc@fffffd20 { compatible = "atmel,at91sam9260-rtt"; reg = <0xfffffd20 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 3>; clocks = <&clk32k>; status = "disabled"; }; @@ -967,7 +967,7 @@ watchdog@fffffd40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffd40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 4>; atmel,watchdog-type = "hardware"; atmel,reset-type = "all"; atmel,dbg-halt; @@ -1010,6 +1010,22 @@ }; }; + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: PIT + * 2: DBGU + * 3: RTT + * 4: WATCHDOG + */ + irqs = <0x1f>; + }; + i2c@0 { compatible = "i2c-gpio"; gpios = <&pioA 23 GPIO_ACTIVE_HIGH /* sda */ diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index cdb9ed6..6eaa5f6 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -272,7 +272,7 @@ dbgu: serial@fffff200 { compatible = "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -564,7 +564,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91rm9200-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -824,14 +824,14 @@ pit: timer@fffffd30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffd30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; rtc@fffffd20 { compatible = "atmel,at91sam9260-rtt"; reg = <0xfffffd20 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 3>; clocks = <&slow_xtal>; status = "disabled"; }; @@ -839,7 +839,7 @@ watchdog@fffffd40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffd40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 4>; status = "disabled"; }; @@ -864,4 +864,20 @@ #size-cells = <0>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: ST + * 2: DBGU + * 3: RTT + * 4: WATCHDOG + */ + irqs = <0x1f>; + }; }; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index e8c6c60..70986b5 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -85,7 +85,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91rm9200-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -359,7 +359,7 @@ pit: timer@fffffd30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffd30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; @@ -744,7 +744,7 @@ dbgu: serial@ffffee00 { compatible = "atmel,at91sam9260-usart"; reg = <0xffffee00 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -870,7 +870,7 @@ watchdog@fffffd40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffd40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 4>; atmel,watchdog-type = "hardware"; atmel,reset-type = "all"; atmel,dbg-halt; @@ -927,7 +927,7 @@ rtc@fffffd20 { compatible = "atmel,at91sam9260-rtt"; reg = <0xfffffd20 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 3>; clocks = <&slow_xtal>; status = "disabled"; }; @@ -935,7 +935,7 @@ rtc@fffffd50 { compatible = "atmel,at91sam9260-rtt"; reg = <0xfffffd50 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 5>; clocks = <&slow_xtal>; status = "disabled"; }; @@ -998,4 +998,21 @@ #size-cells = <0>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: PIT + * 2: DBGU + * 3: RTT1 + * 4: WATCHDOG + * 5: RTT2 + */ + irqs = <0x3f>; + }; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 2a8da8a..487400d 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -111,7 +111,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91sam9g45-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -387,7 +387,7 @@ pit: timer@fffffd30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffd30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; @@ -890,7 +890,7 @@ dbgu: serial@ffffee00 { compatible = "atmel,at91sam9260-usart"; reg = <0xffffee00 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -1107,7 +1107,7 @@ watchdog@fffffd40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffd40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 4>; atmel,watchdog-type = "hardware"; atmel,reset-type = "all"; atmel,dbg-halt; @@ -1234,7 +1234,7 @@ rtc@fffffd20 { compatible = "atmel,at91sam9260-rtt"; reg = <0xfffffd20 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 3>; clocks = <&clk32k>; status = "disabled"; }; @@ -1242,7 +1242,7 @@ rtc@fffffdb0 { compatible = "atmel,at91rm9200-rtc"; reg = <0xfffffdb0 0x30>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 5>; status = "disabled"; }; @@ -1316,4 +1316,21 @@ #size-cells = <0>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: PIT + * 2: DBGU + * 3: RTT + * 4: WATCHDOG + * 5: RTC + */ + irqs = <0x3f>; + }; }; diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 68eb9ad..6067040 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -94,7 +94,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91sam9n12-pmc"; reg = <0xfffffc00 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -376,7 +376,7 @@ pit: timer@fffffe30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffe30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; @@ -754,7 +754,7 @@ dbgu: serial@fffff200 { compatible = "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -885,7 +885,8 @@ watchdog@fffffe40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffe40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 4>; + interrupts-extended = <&virt_irq1_demux 4>; atmel,watchdog-type = "hardware"; atmel,reset-type = "all"; atmel,dbg-halt; @@ -948,4 +949,20 @@ #size-cells = <0>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: PIT + * 2: DBGU + * 3: RTC + * 4: WATCHDOG + */ + irqs = <0x1f>; + }; }; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 7242437..becd94a 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -374,7 +374,7 @@ dbgu: serial@fffff200 { compatible = "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; clocks = <&mck>; @@ -811,7 +811,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91sam9g45-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -1023,14 +1023,14 @@ pit: timer@fffffd30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffd30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; watchdog@fffffd40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffd40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 4>; status = "disabled"; }; @@ -1063,14 +1063,14 @@ rtc@fffffeb0 { compatible = "atmel,at91rm9200-rtc"; reg = <0xfffffeb0 0x40>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 5>; status = "disabled"; }; rtc@fffffd20 { compatible = "atmel,at91sam9260-rtt"; reg = <0xfffffd20 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 3>; clocks = <&clk32k>; status = "disabled"; }; @@ -1110,4 +1110,21 @@ pinctrl-0 = <&pinctrl_i2c_gpio1>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: PIT + * 2: DBGU + * 3: RTT + * 4: WATCHDOG + * 5: RTC + */ + irqs = <0x3f>; + }; }; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index bbb3ba6..d4bc3cc 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -102,7 +102,7 @@ pmc: pmc@fffffc00 { compatible = "atmel,at91sam9x5-pmc"; reg = <0xfffffc00 0x100>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 0>; interrupt-controller; #address-cells = <1>; #size-cells = <0>; @@ -381,7 +381,7 @@ pit: timer@fffffe30 { compatible = "atmel,at91sam9260-pit"; reg = <0xfffffe30 0xf>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 1>; clocks = <&mck>; }; @@ -857,7 +857,7 @@ dbgu: serial@fffff200 { compatible = "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 2>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_dbgu>; dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(8)>, @@ -1121,7 +1121,7 @@ watchdog@fffffe40 { compatible = "atmel,at91sam9260-wdt"; reg = <0xfffffe40 0x10>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 4>; atmel,watchdog-type = "hardware"; atmel,reset-type = "all"; atmel,dbg-halt; @@ -1132,7 +1132,7 @@ rtc@fffffeb0 { compatible = "atmel,at91sam9x5-rtc"; reg = <0xfffffeb0 0x40>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts-extended = <&virt_irq1_demux 3>; status = "disabled"; }; @@ -1231,4 +1231,20 @@ pinctrl-0 = <&pinctrl_i2c_gpio2>; status = "disabled"; }; + + virt_irq1_demux: virt-irq-demux@1 { + compatible = "virtual,irq-demux"; + interrupt-controller; + #interrupt-cells = <1>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + /* + * Interrupt lines: + * 0: PMC + * 1: PIT + * 2: DBGU + * 3: RTC + * 4: WATCHDOG + */ + irqs = <0x1f>; + }; }; -- 1.9.1