diff options
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/s3c2416-pinctrl.dtsi | 173 | ||||
| -rw-r--r-- | arch/arm/boot/dts/s3c2416-smdk2416.dts | 72 | ||||
| -rw-r--r-- | arch/arm/boot/dts/s3c2416.dtsi | 79 | ||||
| -rw-r--r-- | arch/arm/boot/dts/s3c24xx.dtsi | 92 | ||||
| -rw-r--r-- | arch/arm/mach-s3c24xx/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-s3c24xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s3c24xx/mach-s3c2416-dt.c | 91 |
8 files changed, 521 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f0895c581a89..56ffdde091fa 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -159,6 +159,7 @@ dtb-$(CONFIG_ARCH_U8500) += snowball.dtb \ hrefprev60.dtb \ hrefv60plus.dtb \ ccu9540.dtb +dtb-$(CONFIG_ARCH_S3C24XX) += s3c2416-smdk2416.dtb dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \ r8a7740-armadillo800eva.dtb \ r8a7778-bockw.dtb \ diff --git a/arch/arm/boot/dts/s3c2416-pinctrl.dtsi b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi new file mode 100644 index 000000000000..527e3193817f --- /dev/null +++ b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi @@ -0,0 +1,173 @@ +/* + * Samsung S3C2416 pinctrl settings + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +&pinctrl_0 { + /* + * Pin banks + */ + + gpa: gpa { + gpio-controller; + #gpio-cells = <2>; + }; + + gpb: gpb { + gpio-controller; + #gpio-cells = <2>; + }; + + gpc: gpc { + gpio-controller; + #gpio-cells = <2>; + }; + + gpd: gpd { + gpio-controller; + #gpio-cells = <2>; + }; + + gpe: gpe { + gpio-controller; + #gpio-cells = <2>; + }; + + gpf: gpf { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpg: gpg { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gph: gph { + gpio-controller; + #gpio-cells = <2>; + }; + + gpj: gpj { + gpio-controller; + #gpio-cells = <2>; + }; + + gpk: gpk { + gpio-controller; + #gpio-cells = <2>; + }; + + gpl: gpl { + gpio-controller; + #gpio-cells = <2>; + }; + + gpm: gpm { + gpio-controller; + #gpio-cells = <2>; + }; + + /* + * Pin groups + */ + + uart0_data: uart0-data { + samsung,pins = "gph-0", "gph-1"; + samsung,pin-function = <2>; + }; + + uart0_fctl: uart0-fctl { + samsung,pins = "gph-8", "gph-9"; + samsung,pin-function = <2>; + }; + + uart1_data: uart1-data { + samsung,pins = "gph-2", "gph-3"; + samsung,pin-function = <2>; + }; + + uart1_fctl: uart1-fctl { + samsung,pins = "gph-10", "gph-11"; + samsung,pin-function = <2>; + }; + + uart2_data: uart2-data { + samsung,pins = "gph-4", "gph-5"; + samsung,pin-function = <2>; + }; + + uart2_fctl: uart2-fctl { + samsung,pins = "gph-6", "gph-7"; + samsung,pin-function = <2>; + }; + + uart3_data: uart3-data { + samsung,pins = "gph-6", "gph-7"; + samsung,pin-function = <2>; + }; + + extuart_clk: extuart-clk { + samsung,pins = "gph-12"; + samsung,pin-function = <2>; + }; + + i2c0_bus: i2c0-bus { + samsung,pins = "gpe-14", "gpe-15"; + samsung,pin-function = <2>; + }; + + spi0_bus: spi0-bus { + samsung,pins = "gpe-11", "gpe-12", "gpe-13"; + samsung,pin-function = <2>; + }; + + sd0_clk: sd0-clk { + samsung,pins = "gpe-5"; + samsung,pin-function = <2>; + }; + + sd0_cmd: sd0-cmd { + samsung,pins = "gpe-6"; + samsung,pin-function = <2>; + }; + + sd0_bus1: sd0-bus1 { + samsung,pins = "gpe-7"; + samsung,pin-function = <2>; + }; + + sd0_bus4: sd0-bus4 { + samsung,pins = "gpe-8", "gpe-9", "gpe-10"; + samsung,pin-function = <2>; + }; + + sd1_cmd: sd1-cmd { + samsung,pins = "gpl-8"; + samsung,pin-function = <2>; + }; + + sd1_clk: sd1-clk { + samsung,pins = "gpl-9"; + samsung,pin-function = <2>; + }; + + sd1_bus1: sd1-bus1 { + samsung,pins = "gpl-0"; + samsung,pin-function = <2>; + }; + + sd1_bus4: sd1-bus4 { + samsung,pins = "gpl-1", "gpl-2", "gpl-3"; + samsung,pin-function = <2>; + }; +}; diff --git a/arch/arm/boot/dts/s3c2416-smdk2416.dts b/arch/arm/boot/dts/s3c2416-smdk2416.dts new file mode 100644 index 000000000000..ad1dd09c10eb --- /dev/null +++ b/arch/arm/boot/dts/s3c2416-smdk2416.dts @@ -0,0 +1,72 @@ +/* + * SAMSUNG SMDK2416 board device tree source + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/dts-v1/; +/include/ "s3c2416.dtsi" + +/ { + model = "SMDK2416"; + compatible = "samsung,s3c2416"; + + memory { + reg = <0x30000000 0x4000000>; + }; + + serial@50000000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_data>, <&uart0_fctl>; + }; + + serial@50004000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart1_data>, <&uart1_fctl>; + }; + + serial@50008000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart2_data>; + }; + + serial@5000C000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart3_data>; + }; + + watchdog@53000000 { + status = "okay"; + }; + + rtc@57000000 { + status = "okay"; + }; + + sdhci@4AC00000 { + pinctrl-names = "default"; + pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, + <&sd0_bus1>, <&sd0_bus4>; + bus-width = <4>; + cd-gpios = <&gpf 1 0>; + cd-inverted; + status = "okay"; + }; + + sdhci@4A800000 { + pinctrl-names = "default"; + pinctrl-0 = <&sd1_clk>, <&sd1_cmd>, + <&sd1_bus1>, <&sd1_bus4>; + bus-width = <4>; + broken-cd; + status = "okay"; + }; +}; diff --git a/arch/arm/boot/dts/s3c2416.dtsi b/arch/arm/boot/dts/s3c2416.dtsi new file mode 100644 index 000000000000..6809324934a3 --- /dev/null +++ b/arch/arm/boot/dts/s3c2416.dtsi @@ -0,0 +1,79 @@ +/* + * Samsung's S3C2416 SoC device tree source + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/include/ "s3c24xx.dtsi" +/include/ "s3c2416-pinctrl.dtsi" + +/ { + model = "Samsung S3C2416 SoC"; + compatible = "samsung,s3c2416"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu { + compatible = "arm,arm926ejs"; + }; + }; + + interrupt-controller@4a000000 { + compatible = "samsung,s3c2416-irq"; + }; + + pinctrl@56000000 { + compatible = "samsung,s3c2416-pinctrl"; + }; + + serial@50000000 { + compatible = "samsung,s3c2440-uart"; + }; + + serial@50004000 { + compatible = "samsung,s3c2440-uart"; + }; + + serial@50008000 { + compatible = "samsung,s3c2440-uart"; + }; + + serial@5000C000 { + compatible = "samsung,s3c2440-uart"; + reg = <0x5000C000 0x4000>; + interrupts = <1 18 24 4>, <1 18 25 4>; + status = "disabled"; + }; + + sdhci@4AC00000 { + compatible = "samsung,s3c6410-sdhci"; + reg = <0x4AC00000 0x100>; + interrupts = <0 0 21 3>; + status = "disabled"; + }; + + sdhci@4A800000 { + compatible = "samsung,s3c6410-sdhci"; + reg = <0x4A800000 0x100>; + interrupts = <0 0 20 3>; + status = "disabled"; + }; + + watchdog@53000000 { + interrupts = <1 9 27 3>; + }; + + rtc@57000000 { + compatible = "samsung,s3c2416-rtc"; + }; + + i2c@54000000 { + compatible = "samsung,s3c2440-i2c"; + }; +}; diff --git a/arch/arm/boot/dts/s3c24xx.dtsi b/arch/arm/boot/dts/s3c24xx.dtsi new file mode 100644 index 000000000000..cab46ff5fb4d --- /dev/null +++ b/arch/arm/boot/dts/s3c24xx.dtsi @@ -0,0 +1,92 @@ +/* + * Samsung's S3C24XX family device tree source + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/include/ "skeleton.dtsi" + +/ { + compatible = "samsung,s3c24xx"; + interrupt-parent = <&intc>; + + aliases { + pinctrl0 = &pinctrl_0; + }; + + intc:interrupt-controller@4a000000 { + compatible = "samsung,s3c2410-irq"; + reg = <0x4a000000 0x100>; + interrupt-controller; + #interrupt-cells = <4>; + }; + + pinctrl_0: pinctrl@56000000 { + reg = <0x56000000 0x1000>; + + wakeup-interrupt-controller { + compatible = "samsung,s3c2410-wakeup-eint"; + interrupts = <0 0 0 3>, + <0 0 1 3>, + <0 0 2 3>, + <0 0 3 3>, + <0 0 4 4>, + <0 0 5 4>; + }; + }; + + timer@51000000 { + compatible = "samsung,s3c2410-pwm"; + reg = <0x51000000 0x1000>; + interrupts = <0 0 10 3>, <0 0 11 3>, <0 0 12 3>, <0 0 13 3>, <0 0 14 3>; + #pwm-cells = <4>; + }; + + serial@50000000 { + compatible = "samsung,s3c2410-uart"; + reg = <0x50000000 0x4000>; + interrupts = <1 28 0 4>, <1 28 1 4>; + status = "disabled"; + }; + + serial@50004000 { + compatible = "samsung,s3c2410-uart"; + reg = <0x50004000 0x4000>; + interrupts = <1 23 3 4>, <1 23 4 4>; + status = "disabled"; + }; + + serial@50008000 { + compatible = "samsung,s3c2410-uart"; + reg = <0x50008000 0x4000>; + interrupts = <1 15 6 4>, <1 15 7 4>; + status = "disabled"; + }; + + watchdog@53000000 { + compatible = "samsung,s3c2410-wdt"; + reg = <0x53000000 0x100>; + interrupts = <0 0 9 3>; + status = "disabled"; + }; + + rtc@57000000 { + compatible = "samsung,s3c2410-rtc"; + reg = <0x57000000 0x100>; + interrupts = <0 0 30 3>, <0 0 8 3>; + status = "disabled"; + }; + + i2c@54000000 { + compatible = "samsung,s3c2410-i2c"; + reg = <0x54000000 0x100>; + interrupts = <0 0 27 3>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; +}; diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index f2f7088bfd22..e52d5e42af4e 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -490,6 +490,18 @@ config MACH_SMDK2416 help Say Y here if you are using an SMDK2416 +config MACH_S3C2416_DT + bool "Samsung S3C2416 machine using devicetree" + select CLKSRC_OF + select USE_OF + select PINCTRL + select PINCTRL_S3C24XX + help + Machine support for Samsung S3C2416 machines with device tree enabled. + Select this if a fdt blob is available for the S3C2416 SoC based board. + Note: This is under development and not all peripherals can be supported + with this machine file. + endif # CPU_S3C2416 if CPU_S3C2440 diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index 6f46ecfc8396..6de730bada4d 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -85,6 +85,7 @@ obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o obj-$(CONFIG_MACH_SMDK2416) += mach-smdk2416.o +obj-$(CONFIG_MACH_S3C2416_DT) += mach-s3c2416-dt.o obj-$(CONFIG_MACH_ANUBIS) += mach-anubis.o obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o diff --git a/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c new file mode 100644 index 000000000000..f50454a34f72 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c @@ -0,0 +1,91 @@ +/* + * Samsung's S3C2416 flattened device tree enabled machine + * + * Copyright (c) 2012 Heiko Stuebner <heiko@sntech.de> + * + * based on mach-exynos/mach-exynos4-dt.c + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2010-2011 Linaro Ltd. + * www.linaro.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/clocksource.h> +#include <linux/irqchip.h> +#include <linux/of_platform.h> +#include <linux/serial_core.h> + +#include <asm/mach/arch.h> +#include <mach/map.h> + +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/regs-serial.h> + +#include "common.h" + +/* + * The following lookup table is used to override device names when devices + * are registered from device tree. This is temporarily added to enable + * device tree support addition for the S3C2416 architecture. + * + * For drivers that require platform data to be provided from the machine + * file, a platform data pointer can also be supplied along with the + * devices names. Usually, the platform data elements that cannot be parsed + * from the device tree by the drivers (example: function pointers) are + * supplied. But it should be noted that this is a temporary mechanism and + * at some point, the drivers should be capable of parsing all the platform + * data from the device tree. + */ +static const struct of_dev_auxdata s3c2416_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART, + "s3c2440-uart.0", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART + 0x4000, + "s3c2440-uart.1", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART + 0x8000, + "s3c2440-uart.2", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART + 0xC000, + "s3c2440-uart.3", NULL), + OF_DEV_AUXDATA("samsung,s3c6410-sdhci", S3C_PA_HSMMC0, + "s3c-sdhci.0", NULL), + OF_DEV_AUXDATA("samsung,s3c6410-sdhci", S3C_PA_HSMMC1, + "s3c-sdhci.1", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-i2c", S3C_PA_IIC, + "s3c2440-i2c.0", NULL), + {}, +}; + +static void __init s3c2416_dt_map_io(void) +{ + s3c24xx_init_io(NULL, 0); + s3c24xx_init_clocks(12000000); +} + +static void __init s3c2416_dt_machine_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + s3c2416_auxdata_lookup, NULL); + + s3c_pm_init(); +} + +static char const *s3c2416_dt_compat[] __initdata = { + "samsung,s3c2416", + "samsung,s3c2450", + NULL +}; + +DT_MACHINE_START(S3C2416_DT, "Samsung S3C2416 (Flattened Device Tree)") + /* Maintainer: Heiko Stuebner <heiko@sntech.de> */ + .dt_compat = s3c2416_dt_compat, + .map_io = s3c2416_dt_map_io, + .init_irq = irqchip_init, + .init_machine = s3c2416_dt_machine_init, + .init_time = clocksource_of_init, + .restart = s3c2416_restart, +MACHINE_END |
