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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2017-07-28 07:44:27 -0700 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-07-30 21:20:04 +0200 |
| commit | a0a5a7b84ff8a4dbae93404f88aeedf1c341bc20 (patch) | |
| tree | 2ea455454f022fb640290f63acf3abf9e2acf0fe /arch/arm/dts | |
| parent | 738af50a20c2a3e6f035cd4b805c69091ac854de (diff) | |
| download | barebox-a0a5a7b84ff8a4dbae93404f88aeedf1c341bc20.tar.gz barebox-a0a5a7b84ff8a4dbae93404f88aeedf1c341bc20.tar.xz | |
ARM: i.MX: Add support for NXP i.MX7 SABRESD board
Add minimal code to support NXP i.MX7 SABRESD board. Tested to have
working SD card and first Ethernet port as well as being able to boot
upstream Linux kernel (4.12+).
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'arch/arm/dts')
| -rw-r--r-- | arch/arm/dts/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/dts/imx7d-sdb.dts | 70 |
2 files changed, 71 insertions, 1 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 41777ef21e..0ec03bc810 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -21,6 +21,7 @@ pbl-dtb-$(CONFIG_MACH_FREESCALE_MX51_PDK) += imx51-babbage.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_MX53_LOCO) += imx53-qsb.dtb.o imx53-qsrb.dtb.o pbl-dtb-$(CONFIG_MACH_CCMX53) += imx53-ccxmx53.dtb.o pbl-dtb-$(CONFIG_MACH_FREESCALE_MX53_VMX53) += imx53-voipac-bsb.dtb.o +pbl-dtb-$(CONFIG_MACH_FREESCALE_MX7_SABRESD) += imx7d-sdb.dtb.o pbl-dtb-$(CONFIG_MACH_GK802) += imx6q-gk802.dtb.o pbl-dtb-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) += kirkwood-guruplug-server-plus-bb.dtb.o pbl-dtb-$(CONFIG_MACH_GLOBALSCALE_MIRABOX) += armada-370-mirabox-bb.dtb.o @@ -101,5 +102,4 @@ pbl-dtb-$(CONFIG_MACH_ZII_VF610_DEV) += \ pbl-dtb-$(CONFIG_MACH_AT91SAM9X5EK) += at91sam9x5ek.dtb.o - clean-files := *.dtb *.dtb.S .*.dtc .*.pre .*.dts *.dtb.lzo diff --git a/arch/arm/dts/imx7d-sdb.dts b/arch/arm/dts/imx7d-sdb.dts new file mode 100644 index 0000000000..2e48196f9f --- /dev/null +++ b/arch/arm/dts/imx7d-sdb.dts @@ -0,0 +1,70 @@ +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <arm/imx7d-sdb.dts> +#include "imx7s.dtsi" + +/ { + chosen { + stdout-path = &uart1; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x40000000>; + }; + + /* + * This definition is present in the latest kernel DTS file, + * and could be removed once Barebox catches up. + * + * Ditto for pinctrl_spi4 + */ + spi4 { + compatible = "spi-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_spi4>; + gpio-sck = <&gpio1 13 GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio1 9 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + + extended_io: gpio-expander@0 { + compatible = "fairchild,74hc595"; + gpio-controller; + #gpio-cells = <2>; + reg = <0>; + registers-number = <1>; + spi-max-frequency = <100000>; + }; + }; +}; + +&extended_io { + q5 { + gpio-hog; + gpios = <5 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "enet-rst-b"; + }; +}; + +&iomuxc { + imx7d-sdb { + pinctrl_spi4: spi4grp { + fsl,pins = < + MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59 + MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59 + MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59 + >; + }; + }; +}; |