Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753321AbaAIMfK (ORCPT ); Thu, 9 Jan 2014 07:35:10 -0500 Received: from mail-wg0-f45.google.com ([74.125.82.45]:61176 "EHLO mail-wg0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752717AbaAIMfA (ORCPT ); Thu, 9 Jan 2014 07:35:00 -0500 From: Jean-Jacques Hiblot To: nicolas.ferre@atmel.com, b.brezillon@overkiz.com, arnd@arndb.de Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jean-Jacques Hiblot Subject: [PATCH v2 01/12] at91: dt: Add at91sam9261 dt SoC support Date: Thu, 9 Jan 2014 13:31:38 +0100 Message-Id: <1389270709-32662-2-git-send-email-jjhiblot@traphandler.com> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1389270709-32662-1-git-send-email-jjhiblot@traphandler.com> References: <1389270709-32662-1-git-send-email-jjhiblot@traphandler.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the basics to support the Device Tree on a sam9261-based platform Signed-off-by: Jean-Jacques Hiblot --- arch/arm/boot/dts/at91sam9261.dtsi | 476 +++++++++++++++++++++++++++++++++++++ arch/arm/mach-at91/at91sam9261.c | 15 ++ 2 files changed, 491 insertions(+) create mode 100644 arch/arm/boot/dts/at91sam9261.dtsi diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi new file mode 100644 index 0000000..773c3d6 --- /dev/null +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -0,0 +1,476 @@ +/* + * at91sam9261.dtsi - Device Tree Include file for AT91SAM9261 SoC + * + * Copyright (C) 2013 Jean-Jacques Hiblot + * + * Licensed under GPLv2 only. + */ + +#include "skeleton.dtsi" +#include +#include +#include + +/ { + model = "Atmel AT91SAM9261 family SoC"; + compatible = "atmel,at91sam9261"; + interrupt-parent = <&aic>; + + aliases { + serial0 = &dbgu; + serial1 = &usart0; + serial2 = &usart1; + serial3 = &usart2; + gpio0 = &pioA; + gpio1 = &pioB; + gpio2 = &pioC; + tcb0 = &tcb0; + i2c0 = &i2c0; + ssc0 = &ssc0; + ssc1 = &ssc1; + }; + cpus { + #address-cells = <0>; + #size-cells = <0>; + + cpu { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + }; + }; + + memory { + reg = <0x20000000 0x08000000>; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + apb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + aic: interrupt-controller@fffff000 { + #interrupt-cells = <3>; + compatible = "atmel,at91rm9200-aic"; + interrupt-controller; + reg = <0xfffff000 0x200>; + atmel,external-irqs = <29 30 31>; + }; + + pmc: pmc@fffffc00 { + compatible = "atmel,at91rm9200-pmc"; + reg = <0xfffffc00 0x100>; + }; + + ramc: ramc@ffffea00 { + compatible = "atmel,at91sam9260-sdramc"; + reg = <0xffffea00 0x200>; + }; + + pit: timer@fffffd30 { + compatible = "atmel,at91sam9260-pit"; + reg = <0xfffffd30 0xf>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + }; + + tcb0: timer@fffa0000 { + compatible = "atmel,at91rm9200-tcb"; + reg = <0xfffa0000 0x100>; + interrupts = < 17 IRQ_TYPE_LEVEL_HIGH 0 + 18 IRQ_TYPE_LEVEL_HIGH 0 + 19 IRQ_TYPE_LEVEL_HIGH 0 + >; + status = "disabled"; + }; + + rstc@fffffd00 { + compatible = "atmel,at91sam9260-rstc"; + reg = <0xfffffd00 0x10>; + }; + + shdwc@fffffd10 { + compatible = "atmel,at91sam9260-shdwc"; + reg = <0xfffffd10 0x10>; + }; + + pinctrl@fffff400 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "atmel,at91rm9200-pinctrl", "simple-bus"; + ranges = <0xfffff400 0xfffff400 0xa00>; + + atmel,mux-mask = < + /* A B */ + 0xffffffff 0xfffffff7 /* pioA */ + 0xffffffff 0xfffffff4 /* pioB */ + 0xffffffff 0xffffff07 /* pioC */ + >; + + /* shared pinctrl settings */ + dbgu { + pinctrl_dbgu: dbgu-0 { + atmel,pins = + ; /* PA10 periph A with pullup */ + }; + }; + + usart0 { + pinctrl_usart0: usart0-0 { + atmel,pins = + ; /* PC9 periph A */ + }; + + pinctrl_usart0_rts: usart0_rts-0 { + atmel,pins = + ; /* PC10 periph A */ + }; + + pinctrl_usart0_cts: usart0_cts-0 { + atmel,pins = + ; /* PC11 periph A */ + }; + }; + + usart1 { + pinctrl_usart1: usart1-0 { + atmel,pins = + ; /* PC13 periph A */ + }; + + pinctrl_usart1_rts: usart1_rts-0 { + atmel,pins = + ; /* PA12 periph B */ + }; + + pinctrl_usart1_cts: usart1_cts-0 { + atmel,pins = + ; /* PA13 periph B */ + }; + }; + + usart2 { + pinctrl_usart2: usart2-0 { + atmel,pins = + ; /* PC15 periph A */ + }; + + pinctrl_usart2_rts: usart2_rts-0 { + atmel,pins = + ; /* PA15 periph B */ + }; + + pinctrl_usart2_cts: usart2_cts-0 { + atmel,pins = + ; /* PA16 periph B */ + }; + }; + + nand { + pinctrl_nand: nand-0 { + atmel,pins = + ; /* PC14 gpio enable pin pull_up */ + }; + }; + + mmc0 { + pinctrl_mmc0_clk: mmc0_clk-0 { + atmel,pins = + ; /* PA2 periph B */ + }; + + pinctrl_mmc0_slot0_cmd_dat0: mmc0_slot0_cmd_dat0-0 { + atmel,pins = + ; /* PA0 periph B with pullup */ + }; + + pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 { + atmel,pins = + ; /* PA6 periph B with pullup */ + }; + }; + + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + ; /* PB23 periph A */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + ; /* PB26 periph A */ + }; + }; + + ssc1 { + pinctrl_ssc1_tx: ssc1_tx-0 { + atmel,pins = + ; /* PA19 periph B */ + }; + + pinctrl_ssc1_rx: ssc1_rx-0 { + atmel,pins = + ; /* PA22 periph B */ + }; + }; + + spi0 { + pinctrl_spi0: spi0-0 { + atmel,pins = + ; /* PA2 periph A SPI0_SPCK pin */ + }; + }; + + spi1 { + pinctrl_spi1: spi1-0 { + atmel,pins = + ; /* PB29 periph A SPI1_SPCK pin */ + }; + }; + + tcb0 { + pinctrl_tcb0_tclk0: tcb0_tclk0-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tclk1: tcb0_tclk1-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tclk2: tcb0_tclk2-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tioa0: tcb0_tioa0-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tioa1: tcb0_tioa1-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tioa2: tcb0_tioa2-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tiob0: tcb0_tiob0-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tiob1: tcb0_tiob1-0 { + atmel,pins = ; + }; + + pinctrl_tcb0_tiob2: tcb0_tiob2-0 { + atmel,pins = ; + }; + }; + + pioA: gpio@fffff400 { + compatible = "atmel,at91rm9200-gpio"; + reg = <0xfffff400 0x200>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + }; + + pioB: gpio@fffff600 { + compatible = "atmel,at91rm9200-gpio"; + reg = <0xfffff600 0x200>; + interrupts = <3 IRQ_TYPE_LEVEL_HIGH 1>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + }; + + pioC: gpio@fffff800 { + compatible = "atmel,at91rm9200-gpio"; + reg = <0xfffff800 0x200>; + interrupts = <4 IRQ_TYPE_LEVEL_HIGH 1>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + + dbgu: serial@fffff200 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xfffff200 0x200>; + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dbgu>; + status = "disabled"; + }; + + usart0: serial@fffb0000 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xfffb0000 0x200>; + interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>; + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart0>; + status = "disabled"; + }; + + usart1: serial@ffffb400 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xfffb4000 0x200>; + interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>; + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart1>; + status = "disabled"; + }; + + usart2: serial@fff94000 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xfffb8000 0x200>; + interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>; + atmel,use-dma-rx; + atmel,use-dma-tx; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart2>; + status = "disabled"; + }; + + ssc0: ssc@fffbc000 { + compatible = "atmel,at91rm9200-ssc"; + reg = <0xfffbc000 0x4000>; + interrupts = <14 IRQ_TYPE_LEVEL_HIGH 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; + status = "disabled"; + }; + + ssc1: ssc@fffc0000 { + compatible = "atmel,at91rm9200-ssc"; + reg = <0xfffc0000 0x4000>; + interrupts = <15 IRQ_TYPE_LEVEL_HIGH 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>; + status = "disabled"; + }; + + usb1: gadget@fffa4000 { + compatible = "atmel,at91rm9200-udc"; + reg = <0xfffa4000 0x4000>; + interrupts = <10 IRQ_TYPE_LEVEL_HIGH 2>; + status = "disabled"; + }; + + i2c0: i2c@fffac000 { + compatible = "atmel,at91sam9261-i2c"; + reg = <0xfffac000 0x100>; + interrupts = <11 IRQ_TYPE_LEVEL_HIGH 6>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + mmc0: mmc@fffa8000 { + compatible = "atmel,hsmci"; + reg = <0xfffa8000 0x600>; + interrupts = <9 IRQ_TYPE_LEVEL_HIGH 0>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + watchdog@fffffd40 { + compatible = "atmel,at91sam9260-wdt"; + reg = <0xfffffd40 0x10>; + status = "disabled"; + }; + + spi0: spi@fffc8000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "atmel,at91rm9200-spi"; + reg = <0xfffc8000 0x200>; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH 3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_spi0>; + status = "disabled"; + }; + + spi1: spi@fffcc000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "atmel,at91rm9200-spi"; + reg = <0xfffcc000 0x200>; + interrupts = <13 IRQ_TYPE_LEVEL_HIGH 3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_spi1>; + status = "disabled"; + }; + }; + + nand0: nand@40000000 { + compatible = "atmel,at91rm9200-nand"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x40000000 0x10000000>; + atmel,nand-addr-offset = <22>; + atmel,nand-cmd-offset = <21>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_nand>; + + gpios = <&pioC 15 GPIO_ACTIVE_HIGH + &pioC 14 GPIO_ACTIVE_HIGH + 0 + >; + status = "disabled"; + }; + + usb0: ohci@00500000 { + compatible = "atmel,at91rm9200-ohci", "usb-ohci"; + reg = <0x00500000 0x100000>; + interrupts = <20 IRQ_TYPE_LEVEL_HIGH 2>; + status = "disabled"; + }; + }; + + i2c@0 { + compatible = "i2c-gpio"; + gpios = <&pioA 7 GPIO_ACTIVE_HIGH /* sda */ + &pioA 8 GPIO_ACTIVE_HIGH /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; +}; diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 6276b4c..200d17a 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -189,6 +189,21 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_ID("pioA", &pioA_clk), CLKDEV_CON_ID("pioB", &pioB_clk), CLKDEV_CON_ID("pioC", &pioC_clk), + /* more usart lookup table for DT entries */ + CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck), + CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk), + CLKDEV_CON_DEV_ID("usart", "ffffb400.serial", &usart1_clk), + CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk), + /* more tc lookup table for DT entries */ + CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk), + CLKDEV_CON_DEV_ID("hclk", "500000.ohci", &ohci_clk), + CLKDEV_CON_DEV_ID("spi_clk", "fffc8000.spi", &spi0_clk), + CLKDEV_CON_DEV_ID("spi_clk", "fffcc000.spi", &spi1_clk), + CLKDEV_CON_DEV_ID("mci_clk", "fffa8000.mmc", &mmc_clk), + CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi_clk), + CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk), + CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk), + CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk), }; static struct clk_lookup usart_clocks_lookups[] = { -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/