diff options
author | Olof Johansson <olof@lixom.net> | 2015-07-27 14:26:03 +0200 |
---|---|---|
committer | Olof Johansson <olof@lixom.net> | 2015-07-27 14:26:03 +0200 |
commit | 69516303449aa9afac6e52d5b187322406364c7f (patch) | |
tree | d0b4851e6274b5ce245b0b228cfea53292a60907 /arch | |
parent | a02270836bd7688852a8d0513f91e6f6ee0b3097 (diff) | |
parent | 2303553f3f32cb508c7818ebfda78a13d3c10d37 (diff) |
Merge tag 'stm32-dt-for-v4.3-1b' of https://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/stm32 into next/dt
STM32 DT updates for v4.3, round 1.
Highlights:
-----------
- Add RCC clocks support to STM32F429
- Add STM32429i-EVAL board support
- Use stdout-path instead of linux,stdout-path in Disco board
* tag 'stm32-dt-for-v4.3-1b' of https://git.kernel.org/pub/scm/linux/kernel/git/mcoquelin/stm32:
ARM: dts: Use stdout-path in STM32F429 Discovery board
ARM: dts: Add STM32429i-EVAL board support
ARM: dts: stm32f429: Adopt STM32F4 clock driver
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boot/dts/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/boot/dts/stm32429i-eval.dts | 75 | ||||
-rw-r--r-- | arch/arm/boot/dts/stm32f429-disco.dts | 8 | ||||
-rw-r--r-- | arch/arm/boot/dts/stm32f429.dtsi | 79 |
4 files changed, 108 insertions, 58 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 65f8433c35c2..7b908eabfd93 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -556,7 +556,9 @@ dtb-$(CONFIG_ARCH_STI) += \ stih416-b2020.dtb \ stih416-b2020e.dtb \ stih418-b2199.dtb -dtb-$(CONFIG_ARCH_STM32)+= stm32f429-disco.dtb +dtb-$(CONFIG_ARCH_STM32)+= \ + stm32f429-disco.dtb \ + stm32429i-eval.dtb dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ sun4i-a10-ba10-tvbox.dtb \ diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts new file mode 100644 index 000000000000..6964fc9e97cf --- /dev/null +++ b/arch/arm/boot/dts/stm32429i-eval.dts @@ -0,0 +1,75 @@ +/* + * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com> + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file 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 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 file; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32f429.dtsi" + +/ { + model = "STMicroelectronics STM32429i-EVAL board"; + compatible = "st,stm32429i-eval", "st,stm32f429"; + + chosen { + bootargs = "root=/dev/ram rdinit=/linuxrc"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0xc0000000 0x2000000>; + }; + + aliases { + serial0 = &usart1; + }; +}; + +&clk_hse { + clock-frequency = <25000000>; +}; + +&usart1 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts index 6b9aa59d978a..f0b731db6f53 100644 --- a/arch/arm/boot/dts/stm32f429-disco.dts +++ b/arch/arm/boot/dts/stm32f429-disco.dts @@ -53,8 +53,8 @@ compatible = "st,stm32f429i-disco", "st,stm32f429"; chosen { - bootargs = "console=ttyS0,115200 root=/dev/ram rdinit=/linuxrc"; - linux,stdout-path = &usart1; + bootargs = "root=/dev/ram rdinit=/linuxrc"; + stdout-path = "serial0:115200n8"; }; memory { @@ -66,6 +66,10 @@ }; }; +&clk_hse { + clock-frequency = <8000000>; +}; + &usart1 { status = "okay"; }; diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi index aa73b4f4172c..d78a4815da8f 100644 --- a/arch/arm/boot/dts/stm32f429.dtsi +++ b/arch/arm/boot/dts/stm32f429.dtsi @@ -49,48 +49,10 @@ / { clocks { - clk_sysclk: clk-sysclk { + clk_hse: clk-hse { #clock-cells = <0>; compatible = "fixed-clock"; - clock-frequency = <180000000>; - }; - - clk_hclk: clk-hclk { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <180000000>; - }; - - clk_pclk1: clk-pclk1 { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <45000000>; - }; - - clk_pclk2: clk-pclk2 { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <90000000>; - }; - - clk_pmtr1: clk-pmtr1 { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <90000000>; - }; - - clk_pmtr2: clk-pmtr2 { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <180000000>; - }; - - clk_systick: clk-systick { - compatible = "fixed-factor-clock"; - clocks = <&clk_hclk>; - #clock-cells = <0>; - clock-div = <8>; - clock-mult = <1>; + clock-frequency = <0>; }; }; @@ -99,7 +61,7 @@ compatible = "st,stm32-timer"; reg = <0x40000000 0x400>; interrupts = <28>; - clocks = <&clk_pmtr1>; + clocks = <&rcc 0 128>; status = "disabled"; }; @@ -107,7 +69,7 @@ compatible = "st,stm32-timer"; reg = <0x40000400 0x400>; interrupts = <29>; - clocks = <&clk_pmtr1>; + clocks = <&rcc 0 129>; status = "disabled"; }; @@ -115,7 +77,7 @@ compatible = "st,stm32-timer"; reg = <0x40000800 0x400>; interrupts = <30>; - clocks = <&clk_pmtr1>; + clocks = <&rcc 0 130>; status = "disabled"; }; @@ -123,14 +85,14 @@ compatible = "st,stm32-timer"; reg = <0x40000c00 0x400>; interrupts = <50>; - clocks = <&clk_pmtr1>; + clocks = <&rcc 0 131>; }; timer6: timer@40001000 { compatible = "st,stm32-timer"; reg = <0x40001000 0x400>; interrupts = <54>; - clocks = <&clk_pmtr1>; + clocks = <&rcc 0 132>; status = "disabled"; }; @@ -138,7 +100,7 @@ compatible = "st,stm32-timer"; reg = <0x40001400 0x400>; interrupts = <55>; - clocks = <&clk_pmtr1>; + clocks = <&rcc 0 133>; status = "disabled"; }; @@ -146,7 +108,7 @@ compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40004400 0x400>; interrupts = <38>; - clocks = <&clk_pclk1>; + clocks = <&rcc 0 145>; status = "disabled"; }; @@ -154,7 +116,7 @@ compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40004800 0x400>; interrupts = <39>; - clocks = <&clk_pclk1>; + clocks = <&rcc 0 146>; status = "disabled"; }; @@ -162,7 +124,7 @@ compatible = "st,stm32-uart"; reg = <0x40004c00 0x400>; interrupts = <52>; - clocks = <&clk_pclk1>; + clocks = <&rcc 0 147>; status = "disabled"; }; @@ -170,7 +132,7 @@ compatible = "st,stm32-uart"; reg = <0x40005000 0x400>; interrupts = <53>; - clocks = <&clk_pclk1>; + clocks = <&rcc 0 148>; status = "disabled"; }; @@ -178,7 +140,7 @@ compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40007800 0x400>; interrupts = <82>; - clocks = <&clk_pclk1>; + clocks = <&rcc 0 158>; status = "disabled"; }; @@ -186,7 +148,7 @@ compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40007c00 0x400>; interrupts = <83>; - clocks = <&clk_pclk1>; + clocks = <&rcc 0 159>; status = "disabled"; }; @@ -194,7 +156,7 @@ compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40011000 0x400>; interrupts = <37>; - clocks = <&clk_pclk2>; + clocks = <&rcc 0 164>; status = "disabled"; }; @@ -202,13 +164,20 @@ compatible = "st,stm32-usart", "st,stm32-uart"; reg = <0x40011400 0x400>; interrupts = <71>; - clocks = <&clk_pclk2>; + clocks = <&rcc 0 165>; status = "disabled"; }; + + rcc: rcc@40023810 { + #clock-cells = <2>; + compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; + reg = <0x40023800 0x400>; + clocks = <&clk_hse>; + }; }; }; &systick { - clocks = <&clk_systick>; + clocks = <&rcc 1 0>; status = "okay"; }; |