From f0c2df217c809e367be2004e8e34bbcf3533cb1f Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Sun, 3 May 2020 21:12:15 +0530 Subject: ARM: dts: stm32: Add IoT Box board support IoT Box is an IoT gateway device based on Stinger96 board powered by STM32MP1 SoC, designed and manufactured by Shiratech Solutions. This device makes use of Stinger96 board by having it as a base board with one additional mezzanine on top. Following are the features exposed by this device in addition to the Stinger96 board: * WiFi/BT * CCS811 VOC sensor * 2x Digital microphones IM69D130 * 12x WS2812B LEDs Following peripherals are tested and known to work: * WiFi/BT * CCS811 More information about this device can be found in Shiratech website: https://www.shiratech-solutions.com/products/iot-box/ Signed-off-by: Manivannan Sadhasivam Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/stm32mp157a-iot-box.dts | 68 +++++++++++++++++++++++++++++++ 2 files changed, 69 insertions(+) create mode 100644 arch/arm/boot/dts/stm32mp157a-iot-box.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 966b81dfffd6..455ec6eb6303 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1030,6 +1030,7 @@ dtb-$(CONFIG_ARCH_STM32) += \ stm32h743i-disco.dtb \ stm32mp157a-avenger96.dtb \ stm32mp157a-dk1.dtb \ + stm32mp157a-iot-box.dtb \ stm32mp157a-stinger96.dtb \ stm32mp157c-dhcom-pdk2.dtb \ stm32mp157c-dk2.dtb \ diff --git a/arch/arm/boot/dts/stm32mp157a-iot-box.dts b/arch/arm/boot/dts/stm32mp157a-iot-box.dts new file mode 100644 index 000000000000..70f394b4d3c0 --- /dev/null +++ b/arch/arm/boot/dts/stm32mp157a-iot-box.dts @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (C) 2020 Manivannan Sadhasivam + */ + +/dts-v1/; +#include "stm32mp157a-stinger96.dtsi" + +/ { + model = "Shiratech STM32MP157A IoT Box"; + compatible = "shiratech,stm32mp157a-iot-box", "st,stm32mp157"; + + wlan_pwr: regulator-wlan { + compatible = "regulator-fixed"; + + regulator-name = "wl-reg"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + + gpios = <&gpiog 3 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; +}; + +&i2c2 { + ccs811@5b { + compatible = "ams,ccs811"; + reg = <0x5b>; + wakeup-gpios = <&gpioa 12 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpioa 11 GPIO_ACTIVE_LOW>; + }; +}; + +/* WiFi */ +&sdmmc2 { + pinctrl-names = "default", "opendrain", "sleep"; + pinctrl-0 = <&sdmmc2_b4_pins_a>; + pinctrl-1 = <&sdmmc2_b4_od_pins_b>; + pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>; + broken-cd; + non-removable; + st,neg-edge; + bus-width = <1>; + vmmc-supply = <&wlan_pwr>; + status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + brcmf: bcrmf@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + +/* Bluetooth */ +&uart4 { + /* Note: HW flow control is broken, hence using custom CTS/RTS gpios */ + /delete-property/st,hw-flow-ctrl; + cts-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>; + rts-gpios = <&gpiob 0 GPIO_ACTIVE_LOW>; + status = "okay"; + + bluetooth { + shutdown-gpios = <&gpiog 2 GPIO_ACTIVE_HIGH>; + compatible = "brcm,bcm43438-bt"; + max-speed = <115200>; + }; +}; -- cgit v1.2.3 Hosts the 0x221E linux distro kernel.Ubuntu
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AgeCommit message (Expand)Author
2018-06-04Merge branch 'work.aio-1' of git://git.kernel.org/pub/scm/linux/kernel/git/vi...Linus Torvalds
2018-06-04Merge branch 'hch.procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vi...Linus Torvalds
2018-06-01kcm: Fix use-after-free caused by clonned socketsKirill Tkhai
2018-05-26net: convert datagram_poll users tp ->poll_maskChristoph Hellwig
2018-05-16proc: introduce proc_create_net_singleChristoph Hellwig
2018-05-16proc: introduce proc_create_net{,_data}Christoph Hellwig
2018-05-16net/kcm: simplify proc registrationChristoph Hellwig
2018-03-27net: Drop pernet_operations::asyncKirill Tkhai
2018-03-26net: Use octal not symbolic permissionsJoe Perches
2018-03-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2018-03-16kcm: lock lower socket in kcm_attachTom Herbert
2018-02-27net: Convert simple pernet_operationsKirill Tkhai
2018-02-27net: Convert /proc creating and destroying pernet_operationsKirill Tkhai
2018-02-14kcm: Call strp_stop before strp_done in kcm_attachTom Herbert
2018-02-11vfs: do bulk POLL* -> EPOLL* replacementLinus Torvalds
2018-01-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2018-01-24kcm: Check if sk_user_data already set in kcm_attachTom Herbert
2018-01-24kcm: Only allow TCP sockets to be attached to a KCM muxTom Herbert
2018-01-16net: delete /proc THIS_MODULE referencesAlexey Dobriyan
2017-12-05make sock_alloc_file() do sock_release() on failuresAl Viro
2017-12-05fix kcm_clone()Al Viro
2017-11-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman
2017-09-26kcm: Remove redundant unlikely()Tobias Klauser
2017-09-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2017-08-30kcm: do not attach PF_KCM sockets to avoid deadlockEric Dumazet
2017-08-24strparser: initialize all callbacksEric Biggers