diff options
| author | Peng Fan <peng.fan@nxp.com> | 2017-04-13 06:09:51 (GMT) |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2017-05-18 09:24:34 (GMT) |
| commit | 9880eed8bd51207ffab44411106ed5cfd235f7c8 (patch) | |
| tree | fba324dc6043b063fd2a1e31dd65ae8c09082802 /arch/arm/dts/imx7d-sdb.dts | |
| parent | 896d2e82e6d408f6885ae000b707710e0f1a17fc (diff) | |
| download | u-boot-9880eed8bd51207ffab44411106ed5cfd235f7c8.tar.xz | |
arm: dts: imx7d-sdb: add spi gpio node
Add spi gpio node for 74LV595.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/dts/imx7d-sdb.dts')
| -rw-r--r-- | arch/arm/dts/imx7d-sdb.dts | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/dts/imx7d-sdb.dts b/arch/arm/dts/imx7d-sdb.dts index 0378897..3b8f1cb 100644 --- a/arch/arm/dts/imx7d-sdb.dts +++ b/arch/arm/dts/imx7d-sdb.dts @@ -16,4 +16,39 @@ reg = <0x80000000 0x80000000>; }; + spi4 { + compatible = "spi-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_spi1>; + status = "okay"; + gpio-sck = <&gpio1 13 0>; + gpio-mosi = <&gpio1 9 0>; + cs-gpios = <&gpio1 12 0>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + + gpio_spi: gpio_spi@0 { + compatible = "fairchild,74hc595"; + gpio-controller; + #gpio-cells = <2>; + reg = <0>; + registers-number = <1>; + registers-default = /bits/ 8 <0x74>; /* Enable PERI_3V3, SENSOR_RST_B and HDMI_RST*/ + spi-max-frequency = <100000>; + }; + }; +}; + +&iomuxc { + imx7d-sdb { + pinctrl_spi1: spi1grp { + fsl,pins = < + MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59 + MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59 + MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59 + >; + }; + }; + }; |