Example: adding device info in dtsi file
-adc: adc@12D10000 {
+adc: adc@12d10000 {
compatible = "samsung,exynos-adc-v1";
reg = <0x12D10000 0x100>;
interrupts = <0 106 0>;
Example: adding device info in dtsi file for Exynos3250 with additional sclk
-adc: adc@126C0000 {
+adc: adc@126c0000 {
compatible = "samsung,exynos3250-adc", "samsung,exynos-adc-v2;
reg = <0x126C0000 0x100>;
interrupts = <0 137 0>;
Example: Adding child nodes in dts file
-adc@12D10000 {
+adc@12d10000 {
/* NTC thermistor is a hwmon device */
ncp15wb473@0 {
- compatible: only "samsung,secure-firmware" is currently supported
- reg: address of non-secure SYSRAM used for communication with firmware
- firmware@203F000 {
+ firmware@203f000 {
compatible = "samsung,secure-firmware";
reg = <0x0203F000 0x1000>;
};
--- /dev/null
+STMicroelectronics STM32 Platforms Device Tree Bindings
+
+Each device tree must specify which STM32 SoC it uses,
+using one of the following compatible strings:
+
+ st,stm32f429
+ st,stm32f469
+ st,stm32f746
+ st,stm32h743
While this property does not represent a real hardware, the address
and the size are expressed in #address-cells and #size-cells,
respectively, of the root node.
+
+linux,initrd-start and linux,initrd-end
+---------------------------------------
+
+These properties hold the physical start and end address of an initrd that's
+loaded by the bootloader. Note that linux,initrd-start is inclusive, but
+linux,initrd-end is exclusive.
+e.g.
+
+/ {
+ chosen {
+ linux,initrd-start = <0x82000000>;
+ linux,initrd-end = <0x82800000>;
+ };
+};
#clock-cells = <1>;
};
- cmu_dmc: clock-controller@105C0000 {
+ cmu_dmc: clock-controller@105c0000 {
compatible = "samsung,exynos3250-cmu-dmc";
reg = <0x105C0000 0x2000>;
#clock-cells = <1>;
peri clock controller. Refer to the standard clock bindings for
information about 'clocks' and 'clock-names' property.
- serial@12C00000 {
+ serial@12c00000 {
compatible = "samsung,exynos4210-uart";
reg = <0x12C00000 0x100>;
interrupts = <0 146 0>;
controller. Refer to the standard clock bindings for information
about 'clocks' and 'clock-names' property.
- serial@12C20000 {
+ serial@12c20000 {
compatible = "samsung,exynos4210-uart";
reg = <0x12C00000 0x100>;
interrupts = <0 51 0>;
Example 3: UART controller node that consumes the clock generated by the clock
controller.
- serial_0: serial@14C10000 {
+ serial_0: serial@14c10000 {
compatible = "samsung,exynos5433-uart";
reg = <0x14C10000 0x100>;
interrupts = <0 421 0>;
- clock-frequency: must be present in the i2c controller node.
Example:
-atecc508a@C0 {
+atecc508a@c0 {
compatible = "atmel,atecc508a";
reg = <0xC0>;
};
Example : NoC Probe nodes in Device Tree are listed below.
- nocp_mem0_0: nocp@10CA1000 {
+ nocp_mem0_0: nocp@10ca1000 {
compatible = "samsung,exynos5420-nocp";
reg = <0x10CA1000 0x200>;
};
Example:
- dsi@11C80000 {
+ dsi@11c80000 {
compatible = "samsung,exynos4210-mipi-dsi";
reg = <0x11C80000 0x10000>;
interrupts = <0 79 0>;
Toshiba 8.9" WXGA (1280x768) TFT LCD panel
Required properties:
-- compatible: should be "toshiba,lt089ac29000.txt"
+- compatible: should be "toshiba,lt089ac29000"
- power-supply: as specified in the base binding
This binding is compatible with the simple-panel binding, which is specified
/ {
...
- vtg_main_slave: sti-vtg-main-slave@fe85A800 {
+ vtg_main_slave: sti-vtg-main-slave@fe85a800 {
compatible = "st,vtg";
reg = <0xfe85A800 0x300>;
interrupts = <GIC_SPI 175 IRQ_TYPE_NONE>;
Example:
- dma: dma-controller@801C0000 {
+ dma: dma-controller@801c0000 {
compatible = "stericsson,db8500-dma40", "stericsson,dma40";
reg = <0x801C0000 0x1000 0x40010000 0x800>;
reg-names = "base", "lcpa";
Example:
- gpioa: gpio@FF140000 {
+ gpioa: gpio@ff140000 {
compatible = "abilis,tb10x-gpio";
interrupt-controller;
#interrupt-cells = <1>;
Example:
-gpio1: stp@E100BB0 {
+gpio1: stp@e100bb0 {
compatible = "lantiq,gpio-stp-xway";
reg = <0xE100BB0 0x40>;
#gpio-cells = <2>;
Example 2:
- gpio_pio_i: gpio-controller@14B0 {
+ gpio_pio_i: gpio-controller@14b0 {
#gpio-cells = <2>;
compatible = "fsl,qe-pario-bank-e", "fsl,qe-pario-bank";
reg = <0x1480 0x18>;
Example:
- i2c@12CA0000 {
+ i2c@12ca0000 {
compatible = "acme,some-i2c-device";
#address-cells = <1>;
#size-cells = <0>;
Examples:
-lpi2c7: lpi2c7@40A50000 {
+lpi2c7: lpi2c7@40a50000 {
compatible = "fsl,imx8dv-lpi2c";
reg = <0x40A50000 0x10000>;
interrupt-parent = <&intc>;
Example:
- keypad@100A0000 {
+ keypad@100a0000 {
compatible = "samsung,s5pv210-keypad";
reg = <0x100A0000 0x100>;
interrupts = <173>;
reg = <0x180a6000 0xc30>;
};
- touchscreen: touchscreen@180A6000 {
+ touchscreen: touchscreen@180a6000 {
compatible = "brcm,iproc-touchscreen";
#address-cells = <1>;
#size-cells = <1>;
iommus = <&sysmmu_gsc0>;
};
- sysmmu_gsc0: sysmmu@13E80000 {
+ sysmmu_gsc0: sysmmu@13e80000 {
compatible = "samsung,exynos-sysmmu";
reg = <0x13E80000 0x1000>;
interrupt-parent = <&combiner>;
};
/* AM33xx */
-mailbox: mailbox@480C8000 {
+mailbox: mailbox@480c8000 {
compatible = "ti,omap4-mailbox";
reg = <0x480C8000 0x200>;
interrupts = <77>;
order referring to the transfer path.
- interrupt-names: Contains interrupt names matching the rx transfer path
for a given SoC. Receive interrupts shall be of the
- format: "rx_<QID>_<PID>".
+ format: "rx_<QID>".
For ti,k2g-message-manager, this shall contain:
- "rx_005_002", "rx_057_002"
+ "rx_005", "rx_057"
- interrupts: Contains the interrupt information corresponding to
interrupt-names property.
Example:
-hdmicec: cec@100B0000 {
+hdmicec: cec@100b0000 {
compatible = "samsung,s5p-cec";
reg = <0x100B0000 0x200>;
interrupts = <0 114 0>;
Example:
-i2c@138A000000 {
+i2c@138a000000 {
...
s5c73m3@3c {
compatible = "samsung,s5c73m3";
Example for aemif, davinci nand and nor flash chip select shown below.
-memory-controller@21000A00 {
+memory-controller@21000a00 {
compatible = "ti,davinci-aemif";
#address-cells = <2>;
#size-cells = <1>;
Example for I2C:
-i2c@12CA0000 {
+i2c@12ca0000 {
cros-ec@1e {
reg = <0x1e>;
compatible = "google,cros-ec-i2c";
CD and WP lines can be implemented on the hardware in one of two ways: as GPIOs,
specified in cd-gpios and wp-gpios properties, or as dedicated pins. Polarity of
dedicated pins can be specified, using *-inverted properties. GPIO polarity can
-also be specified using the OF_GPIO_ACTIVE_LOW flag. This creates an ambiguity
+also be specified using the GPIO_ACTIVE_LOW flag. This creates an ambiguity
in the latter case. We choose to use the XOR logic for GPIO CD and WP lines.
This means, the two properties are "superimposed," for example leaving the
-OF_GPIO_ACTIVE_LOW flag clear and specifying the respective *-inverted
+GPIO_ACTIVE_LOW flag clear and specifying the respective *-inverted property
property results in a double-inversion and actually means the "normal" line
polarity is in effect.
Example:
- mlc: flash@200A8000 {
+ mlc: flash@200a8000 {
compatible = "nxp,lpc3220-mlc";
reg = <0x200A8000 0x11000>;
interrupts = <11 0>;
Examples:
- mac: ethernet@4A100000 {
+ mac: ethernet@4a100000 {
compatible = "ti,cpsw";
reg = <0x4A100000 0x1000>;
interrupts = <55 0x4>;
};
(or)
- mac: ethernet@4A100000 {
+ mac: ethernet@4a100000 {
compatible = "ti,cpsw";
ti,hwmods = "cpgmac0";
cpdma_channels = <8>;
Examples:
- mdio: davinci_mdio@4A101000 {
+ mdio: davinci_mdio@4a101000 {
compatible = "ti,davinci_mdio";
reg = <0x4A101000 0x1000>;
bus_freq = <1000000>;
(or)
- mdio: davinci_mdio@4A101000 {
+ mdio: davinci_mdio@4a101000 {
compatible = "ti,davinci_mdio";
ti,hwmods = "davinci_mdio";
bus_freq = <1000000>;
Example:
- ptp_clock@24E00 {
+ ptp_clock@24e00 {
compatible = "fsl,etsec-ptp";
reg = <0x24E00 0xB0>;
interrupts = <12 0x8 13 0x8>;
Additional required properties for imx6sx-pcie:
- clock names: Must include the following additional entries:
- "pcie_inbound_axi"
+- power-domains: Must be set to a phandle pointing to the PCIE_PHY power domain
Additional required properties for imx7d-pcie:
- power-domains: Must be set to a phandle pointing to PCIE_PHY power domain
"refclk";
};
-sata_phy: phy@4A096000 {
+sata_phy: phy@4a096000 {
compatible = "ti,phy-pipe3-sata";
reg = <0x4A096000 0x80>, /* phy_rx */
<0x4A096400 0x64>, /* phy_tx */
Example
-------
-iomux: iomux@FF10601c {
+iomux: iomux@ff10601c {
compatible = "abilis,tb10x-iomux";
reg = <0xFF10601c 0x4>;
pctl_gpio_a: pctl-gpio-a {
abilis,function = "uart0";
};
};
-uart@FF100000 {
+uart@ff100000 {
compatible = "snps,dw-apb-uart";
reg = <0xFF100000 0x100>;
clock-frequency = <166666666>;
pinctrl-names = "default";
pinctrl-0 = <&pctl_uart0>;
};
-gpioa: gpio@FF140000 {
+gpioa: gpio@ff140000 {
compatible = "abilis,tb10x-gpio";
reg = <0xFF140000 0x1000>;
gpio-controller;
Example:
--------
-pinctrl@18101C00 {
+pinctrl@18101c00 {
compatible = "img,pistachio-system-pinctrl";
reg = <0x18101C00 0x400>;
io42-io43,io48-io61.
Example:
- gpio: pinmux@E100B10 {
+ gpio: pinmux@e100b10 {
compatible = "lantiq,danube-pinctrl";
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
reg = <0 0x10005000 0 0x1000>;
};
- syscfg_pctl_b: syscfg_pctl_b@1020C020 {
+ syscfg_pctl_b: syscfg_pctl_b@1020c020 {
compatible = "mediatek,mt8135-pctl-b-syscfg", "syscon";
reg = <0 0x1020C020 0 0x1000>;
};
reg = <0x9000 0x1000>;
};
- lportal10: lac-portal@A000 {
+ lportal10: lac-portal@a000 {
compatible = "fsl,interlaken-lac-portal-v1.0";
fsl,liodn = <0x20E>;
reg = <0xA000 0x1000>;
};
- lportal11: lac-portal@B000 {
+ lportal11: lac-portal@b000 {
compatible = "fsl,interlaken-lac-portal-v1.0";
fsl,liodn = <0x20F>;
reg = <0xB000 0x1000>;
};
- lportal12: lac-portal@C000 {
+ lportal12: lac-portal@c000 {
compatible = "fsl,interlaken-lac-portal-v1.0";
fsl,liodn = <0x210>;
reg = <0xC000 0x1000>;
};
- lportal13: lac-portal@D000 {
+ lportal13: lac-portal@d000 {
compatible = "fsl,interlaken-lac-portal-v1.0";
fsl,liodn = <0x211>;
reg = <0xD000 0x1000>;
};
- lportal14: lac-portal@E000 {
+ lportal14: lac-portal@e000 {
compatible = "fsl,interlaken-lac-portal-v1.0";
fsl,liodn = <0x212>;
reg = <0xE000 0x1000>;
};
- lportal15: lac-portal@F000 {
+ lportal15: lac-portal@f000 {
compatible = "fsl,interlaken-lac-portal-v1.0";
fsl,liodn = <0x213>;
reg = <0xF000 0x1000>;
- clocks: Must contain an entry for peripheral clock.
Example:
- vrefbuf: regulator@58003C00 {
+ vrefbuf: regulator@58003c00 {
compatible = "st,stm32-vrefbuf";
reg = <0x58003C00 0x8>;
clocks = <&rcc VREF_CK>;
Example:
-asc1: serial@E100C00 {
+asc1: serial@e100c00 {
compatible = "lantiq,asc";
reg = <0xE100C00 0x400>;
interrupt-parent = <&icu0>;
Example:
-i2s_out: i2s-out@18100A00 {
+i2s_out: i2s-out@18100a00 {
compatible = "img,i2s-out";
reg = <0x18100A00 0x200>;
interrupts = <GIC_SHARED 13 IRQ_TYPE_LEVEL_HIGH>;
Example:
-parallel_out: parallel-out@18100C00 {
+parallel_out: parallel-out@18100c00 {
compatible = "img,parallel-out";
reg = <0x18100C00 0x100>;
interrupts = <GIC_SHARED 19 IRQ_TYPE_LEVEL_HIGH>;
Example:
-spdif_in: spdif-in@18100E00 {
+spdif_in: spdif-in@18100e00 {
compatible = "img,spdif-in";
reg = <0x18100E00 0x100>;
interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
Example:
-spdif_out: spdif-out@18100D00 {
+spdif_out: spdif-out@18100d00 {
compatible = "img,spdif-out";
reg = <0x18100D00 0x100>;
interrupts = <GIC_SHARED 21 IRQ_TYPE_LEVEL_HIGH>;
Example:
- sti_uni_player1: sti-uni-player@8D81000 {
+ sti_uni_player1: sti-uni-player@8d81000 {
compatible = "st,stih407-uni-player-hdmi";
#sound-dai-cells = <0>;
st,syscfg = <&syscfg_core>;
st,tdm-mode = <1>;
};
- sti_uni_player2: sti-uni-player@8D82000 {
+ sti_uni_player2: sti-uni-player@8d82000 {
compatible = "st,stih407-uni-player-pcm-out";
#sound-dai-cells = <0>;
st,syscfg = <&syscfg_core>;
dma-names = "tx";
};
- sti_uni_player3: sti-uni-player@8D85000 {
+ sti_uni_player3: sti-uni-player@8d85000 {
compatible = "st,stih407-uni-player-spdif";
#sound-dai-cells = <0>;
st,syscfg = <&syscfg_core>;
dma-names = "tx";
};
- sti_uni_reader1: sti-uni-reader@8D84000 {
+ sti_uni_reader1: sti-uni-reader@8d84000 {
compatible = "st,stih407-uni-reader-hdmi";
#sound-dai-cells = <0>;
st,syscfg = <&syscfg_core>;
Example of a NOR flash slave device (n25q032) connected to DaVinci
SPI controller device over the SPI bus.
-spi0:spi@20BF0000 {
+spi0:spi@20bf0000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "ti,dm6446-spi";
Example:
-spi: spi@E100800 {
+spi: spi@e100800 {
compatible = "lantiq,xrx200-spi", "lantiq,xrx100-spi";
reg = <0xE100800 0x100>;
interrupt-parent = <&icu0>;
Example 1):
- tmu@100C0000 {
+ tmu@100c0000 {
compatible = "samsung,exynos4412-tmu";
interrupt-parent = <&combiner>;
reg = <0x100C0000 0x100>;
/*
* A simple IC with a single bandgap temperature sensor.
*/
- bandgap0: bandgap@0000ED00 {
+ bandgap0: bandgap@0000ed00 {
...
#thermal-sensor-cells = <0>;
};
/*
* A simple IC with several bandgap temperature sensors.
*/
- bandgap0: bandgap@0000ED00 {
+ bandgap0: bandgap@0000ed00 {
...
#thermal-sensor-cells = <1>;
};
/*
* A simple IC with a single bandgap temperature sensor.
*/
- bandgap0: bandgap@0000ED00 {
+ bandgap0: bandgap@0000ed00 {
...
#thermal-sensor-cells = <0>;
};
-* Renesas H8/300 Timer Pluse Unit
+* Renesas H8/300 Timer Pulse Unit
The TPU is a 16bit timer/counter with configurable clock inputs and
programmable compare match.
interrupt controllers. Hence, an interrupt-map is created to map
the interrupts to the respective interrupt controllers.
- mct@101C0000 {
+ mct@101c0000 {
compatible = "samsung,exynos4210-mct";
reg = <0x101C0000 0x800>;
interrupt-parent = <&mct_map>;
gmt,g751 G751: Digital Temperature Sensor and Thermal Watchdog with Two-Wire Interface
infineon,slb9635tt Infineon SLB9635 (Soft-) I2C TPM (old protocol, max 100khz)
infineon,slb9645tt Infineon SLB9645 I2C TPM (new protocol, max 400khz)
+infineon,tlv493d-a1b6 Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
isil,isl1208 Intersil ISL1208 Low Power RTC with Battery Backed SRAM
isil,isl1218 Intersil ISL1218 Low Power RTC with Battery Backed SRAM
isil,isl12022 Intersil ISL12022 Real-time Clock
national,lm92 ±0.33°C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface
nuvoton,npct501 i2c trusted platform module (TPM)
nuvoton,npct601 i2c trusted platform module (TPM2)
+nuvoton,w83773g Nuvoton Temperature Sensor
nxp,pca9556 Octal SMBus and I2C registered interface
nxp,pca9557 8-bit I2C-bus and SMBus I/O port with reset
nxp,pcf2127 Real-time clock
Example:
- watchdog@4003C000 {
+ watchdog@4003c000 {
compatible = "nxp,pnx4008-wdt";
reg = <0x4003C000 0x1000>;
timeout-sec = <10>;
Example:
-watchdog@101D0000 {
+watchdog@101d0000 {
compatible = "samsung,exynos5250-wdt";
reg = <0x101D0000 0x100>;
interrupts = <0 42 0>;
-# SPDX-License-Identifier: GPL-2.0
-# $Id: Makefile,v 1.12 2004/10/19 13:07:43 starvik Exp $
-#
-# Makefile for the linux kernel.
-#
-
-CPPFLAGS_vmlinux.lds := -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
-extra-y := vmlinux.lds
-
-obj-y := process.o traps.o irq.o ptrace.o setup.o time.o sys_cris.o
-obj-y += devicetree.o
-obj-y += stacktrace.o
-
-obj-$(CONFIG_MODULES) += crisksyms.o
-obj-$(CONFIG_MODULES) += module.o
-obj-$(CONFIG_SYSTEM_PROFILER) += profile.o
-
-clean:
-
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/printk.h>
-
-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- pr_err("%s(%llx, %llx)\n",
- __func__, base, size);
-}
-
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return alloc_bootmem_align(size, align);
-}
#include <linux/init.h>
#include <linux/export.h>
#include <linux/types.h>
-#include <linux/bootmem.h>
-#include <linux/memblock.h>
-#include <linux/of.h>
#include <linux/of_fdt.h>
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/mach/arch.h>
-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- pr_err("%s(%llx, %llx)\n",
- __func__, base, size);
-}
-
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return alloc_bootmem_align(size, align);
-}
-
static const void * __init arch_get_next_mach(const char *const **match)
{
static const struct machine_desc *mdesc = __arch_info_begin;
return add_memory_region(base, size, BOOT_MEM_RAM);
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS));
-}
-
int __init early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return alloc_bootmem_align(size, align);
-}
-
int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
bool nomap)
{
/*
* Architecture specific OF callbacks.
*/
-#include <linux/bootmem.h>
#include <linux/export.h>
#include <linux/io.h>
#include <linux/interrupt.h>
BUG();
}
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS));
-}
-
void __init add_dtb(u64 data)
{
initial_dtb = data + offsetof(struct setup_data, data);
#include <linux/mm.h>
#include <linux/proc_fs.h>
#include <linux/screen_info.h>
-#include <linux/bootmem.h>
#include <linux/kernel.h>
#include <linux/percpu.h>
#include <linux/cpu.h>
}
#endif
-void __init early_init_dt_add_memory_arch(u64 base, u64 size)
-{
- size &= PAGE_MASK;
- memblock_add(base, size);
-}
-
-void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __alloc_bootmem(size, align, 0);
-}
-
void __init early_init_devtree(void *params)
{
early_init_dt_scan(params);
+# SPDX-License-Identifier: GPL-2.0
config DTC
bool
config OF_UNITTEST
bool "Device Tree runtime unit tests"
- depends on OF_IRQ
+ depends on !SPARC
+ select IRQ_DOMAIN
select OF_EARLY_FLATTREE
select OF_RESOLVE
help
config OF_ADDRESS
def_bool y
- depends on !SPARC && HAS_IOMEM
+ depends on !SPARC && (HAS_IOMEM || UML)
select OF_ADDRESS_PCI if PCI
config OF_ADDRESS_PCI
-
+// SPDX-License-Identifier: GPL-2.0
#define pr_fmt(fmt) "OF: " fmt
#include <linux/device.h>
+// SPDX-License-Identifier: GPL-2.0+
/*
* Procedures for creating, accessing and interpreting the device tree.
*
*
* Reconsolidated from arch/x/kernel/prom.c by Stephen Rothwell and
* Grant Likely.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) "OF: " fmt
+// SPDX-License-Identifier: GPL-2.0
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/of.h>
+// SPDX-License-Identifier: GPL-2.0
/*
* Support for dynamic device trees.
*
+// SPDX-License-Identifier: GPL-2.0
/*
* Functions for working with the Flattened Device Tree data format
*
* Copyright 2009 Benjamin Herrenschmidt, IBM Corp
* benh@kernel.crashing.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.
*/
#define pr_fmt(fmt) "OF: fdt: " fmt
#include <linux/crc32.h>
#include <linux/kernel.h>
#include <linux/initrd.h>
+#include <linux/bootmem.h>
#include <linux/memblock.h>
#include <linux/mutex.h>
#include <linux/of.h>
return memblock_reserve(base, size);
}
-/*
- * called from unflatten_device_tree() to bootstrap devicetree itself
- * Architectures can override this definition if memblock isn't used
- */
-void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
-{
- return __va(memblock_alloc(size, align));
-}
#else
void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
{
&base, &size, nomap ? " (nomap)" : "");
return -ENOSYS;
}
+#endif
-void * __init __weak early_init_dt_alloc_memory_arch(u64 size, u64 align)
+static void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
- WARN_ON(1);
- return NULL;
+ return memblock_virt_alloc(size, align);
}
-#endif
bool __init early_init_dt_verify(void *params)
{
+// SPDX-License-Identifier: GPL-2.0+
/*
* FDT Address translation based on u-boot fdt_support.c which in turn was
* based on the kernel unflattened DT address translation code.
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
*/
#define pr_fmt(fmt) "OF: fdt: " fmt
+// SPDX-License-Identifier: GPL-2.0+
/*
* Derived from arch/i386/kernel/irq.c
* Copyright (C) 1992 Linus Torvalds
* Adapted for Power Macintosh by Paul Mackerras
* Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au)
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
* This file contains the code used to make IRQ descriptions in the
* device tree to actual irq numbers on an interrupt controller
* driver.
/**
* of_irq_parse_raw - Low level interrupt tree parsing
- * @parent: the device interrupt parent
* @addr: address specifier (start of "reg" property of the device) in be32 format
- * @out_irq: structure of_irq updated by this function
+ * @out_irq: structure of_phandle_args updated by this function
*
* Returns 0 on success and a negative number on error
*
+// SPDX-License-Identifier: GPL-2.0
#include <linux/of.h>
#include <linux/slab.h>
/* finally remove the kobj_init ref */
of_node_put(np);
}
-
+// SPDX-License-Identifier: GPL-2.0
/*
* OF NUMA Parsing support.
*
* Copyright (C) 2015 - 2016 Cavium Inc.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define pr_fmt(fmt) "OF: NUMA: " fmt
+/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _LINUX_OF_PRIVATE_H
#define _LINUX_OF_PRIVATE_H
/*
*
* Paul Mackerras August 1996.
* Copyright (C) 1996-2005 Paul Mackerras.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
/**
+// SPDX-License-Identifier: GPL-2.0+
/*
* Device tree based initialization code for reserved memory.
*
* http://www.samsung.com
* Author: Marek Szyprowski <m.szyprowski@samsung.com>
* Author: Josh Cartwright <joshc@codeaurora.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License or (at your optional) any later version of the license.
*/
#define pr_fmt(fmt) "OF: reserved mem: " fmt
+// SPDX-License-Identifier: GPL-2.0
/*
* Functions for working with device tree overlays
*
* Copyright (C) 2012 Pantelis Antoniou <panto@antoniou-consulting.com>
* Copyright (C) 2012 Texas Instruments Inc.
- *
- * 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.
*/
#define pr_fmt(fmt) "OF: overlay: " fmt
+// SPDX-License-Identifier: GPL-2.0+
/* pdt.c: OF PROM device tree support code.
*
* Paul Mackerras August 1996.
*
* Adapted for sparc by David S. Miller davem@davemloft.net
* Adapted for multiple architectures by Andres Salomon <dilinger@queued.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
* and Arnd Bergmann, IBM Corp.
* Merged from powerpc/kernel/of_platform.c and
* sparc{,64}/kernel/of_device.c by Stephen Rothwell
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#define pr_fmt(fmt) "OF: " fmt
+// SPDX-License-Identifier: GPL-2.0+
/*
* drivers/of/property.c - Procedures for accessing and interpreting
* Devicetree properties and graphs.
*
* Reconsolidated from arch/x/kernel/prom.c by Stephen Rothwell and
* Grant Likely.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#define pr_fmt(fmt) "OF: " fmt
+// SPDX-License-Identifier: GPL-2.0
/*
* Functions for dealing with DT resolution
*
* Copyright (C) 2012 Pantelis Antoniou <panto@antoniou-consulting.com>
* Copyright (C) 2012 Texas Instruments Inc.
- *
- * 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.
*/
#define pr_fmt(fmt) "OF: resolver: " fmt
DTC_FLAGS_testcases := -Wno-interrupts_property
obj-y += testcases.dtb.o
-targets += testcases.dtb testcases.dtb.S
+obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \
+ overlay_bad_phandle.dtb.o \
+ overlay_bad_symbol.dtb.o \
+ overlay_base.dtb.o
-ifdef CONFIG_OF_OVERLAY
-
-obj-y += overlay.dtb.o
-obj-y += overlay_bad_phandle.dtb.o
-obj-y += overlay_bad_symbol.dtb.o
-obj-y += overlay_base.dtb.o
-
-targets += overlay.dtb overlay.dtb.S
-targets += overlay_bad_phandle.dtb overlay_bad_phandle.dtb.S
-targets += overlay_bad_symbol.dtb overlay_bad_symbol.dtb.S
-targets += overlay_base.dtb overlay_base.dtb.S
+targets += $(foreach suffix, dtb dtb.S, $(patsubst %.dtb.o,%.$(suffix),$(obj-y)))
# enable creation of __symbols__ node
DTC_FLAGS_overlay := -@
DTC_FLAGS_overlay_bad_symbol := -@
DTC_FLAGS_overlay_base := -@
-endif
-
.PRECIOUS: \
$(obj)/%.dtb.S \
$(obj)/%.dtb
+// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
/plugin/;
#define pr_fmt(fmt) "### dt-test ### " fmt
+#include <linux/bootmem.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/errno.h>
static struct device_node *overlay_base_root;
+static void * __init dt_alloc_memory(u64 size, u64 align)
+{
+ return memblock_virt_alloc(size, align);
+}
+
/*
* Create base device tree for the overlay unittest.
*
return;
}
- info->data = early_init_dt_alloc_memory_arch(size,
- roundup_pow_of_two(FDT_V17_SIZE));
+ info->data = dt_alloc_memory(size, roundup_pow_of_two(FDT_V17_SIZE));
if (!info->data) {
pr_err("alloc for dtb 'overlay_base' failed");
return;
memcpy(info->data, info->dtb_begin, size);
__unflatten_device_tree(info->data, NULL, &info->np_overlay,
- early_init_dt_alloc_memory_arch, true);
+ dt_alloc_memory, true);
overlay_base_root = info->np_overlay;
}
#define _INCLUDE_LIBFDT_H_
#include <linux/libfdt_env.h>
-#include "../../scripts/dtc/libfdt/fdt.h"
#include "../../scripts/dtc/libfdt/libfdt.h"
#endif /* _INCLUDE_LIBFDT_H_ */
+/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _LINUX_OF_H
#define _LINUX_OF_H
/*
* Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp.
* Updates for SPARC64 by David S. Miller
* Derived from PowerPC and Sparc prom.h files by Stephen Rothwell, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/types.h>
#include <linux/bitops.h>
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* OF helpers for DMA request / controller
*
* Based on of_gpio.h
*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
- *
- * 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.
*/
#ifndef __LINUX_OF_DMA_H
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Definitions for working with the Flattened Device Tree data format
*
* Copyright 2009 Benjamin Herrenschmidt, IBM Corp
* benh@kernel.crashing.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.
*/
#ifndef _LINUX_OF_FDT_H
extern char __dtb_start[];
extern char __dtb_end[];
+/* Other Prototypes */
+extern u64 of_flat_dt_translate_address(unsigned long node);
+extern void of_fdt_limit_memory(int limit);
+#endif /* CONFIG_OF_FLATTREE */
+
+#ifdef CONFIG_OF_EARLY_FLATTREE
/* For scanning the flat device-tree at boot time */
extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,
int depth, void *data),
extern int early_init_dt_mark_hotplug_memory_arch(u64 base, u64 size);
extern int early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size,
bool no_map);
-extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align);
extern u64 dt_mem_next_cell(int s, const __be32 **cellp);
/* Early flat tree scan hooks */
extern void unflatten_and_copy_device_tree(void);
extern void early_init_devtree(void *);
extern void early_get_first_memblock_info(void *, phys_addr_t *);
-extern u64 of_flat_dt_translate_address(unsigned long node);
-extern void of_fdt_limit_memory(int limit);
-#else /* CONFIG_OF_FLATTREE */
+#else /* CONFIG_OF_EARLY_FLATTREE */
static inline int early_init_dt_scan_chosen_stdout(void) { return -ENODEV; }
static inline void early_init_fdt_scan_reserved_mem(void) {}
static inline void early_init_fdt_reserve_self(void) {}
static inline const char *of_flat_dt_get_machine_name(void) { return NULL; }
static inline void unflatten_device_tree(void) {}
static inline void unflatten_and_copy_device_tree(void) {}
-#endif /* CONFIG_OF_FLATTREE */
+#endif /* CONFIG_OF_EARLY_FLATTREE */
#endif /* __ASSEMBLY__ */
#endif /* _LINUX_OF_FDT_H */
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* OF helpers for the GPIO API
*
* Copyright (c) 2007-2008 MontaVista Software, Inc.
*
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __LINUX_OF_GPIO_H
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* OF graph binding parsing helpers
*
*
* Copyright (C) 2012 Renesas Electronics Corp.
* Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
*/
#ifndef __LINUX_OF_GRAPH_H
#define __LINUX_OF_GRAPH_H
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Definitions for building a device tree by calling into the
* Open Firmware PROM.
*
* Copyright (C) 2010 Andres Salomon <dilinger@queued.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_OF_PDT_H
+/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _LINUX_OF_PLATFORM_H
#define _LINUX_OF_PLATFORM_H
/*
* Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#include <linux/device.h>
projects / linux-2.6-block.git / commitdiff