From: Dennis Gilmore dennis@ausil.us
mirror seettings for the clearfog on the helios4 to get SPI working.
Signed-off-by: Dennis Gilmore dennis@ausil.us --- arch/arm/dts/armada-388-helios4-u-boot.dtsi | 22 ++++++---- arch/arm/dts/armada-388-helios4.dts | 46 ++++++++++++++++++++- 2 files changed, 58 insertions(+), 10 deletions(-)
diff --git a/arch/arm/dts/armada-388-helios4-u-boot.dtsi b/arch/arm/dts/armada-388-helios4-u-boot.dtsi index 0753889854..82513a1ce7 100644 --- a/arch/arm/dts/armada-388-helios4-u-boot.dtsi +++ b/arch/arm/dts/armada-388-helios4-u-boot.dtsi @@ -1,13 +1,5 @@ // SPDX-License-Identifier: GPL-2.0+
-/ { - aliases { - i2c0 = &i2c0; - i2c1 = &i2c1; - spi1 = &spi1; - }; -}; - ð0 { phy-reset-gpios = <&gpio0 19 GPIO_ACTIVE_LOW>; }; @@ -37,5 +29,17 @@ };
&sdhci { - u-boot,dm-spl; + u-boot,dm-spl; +}; + +&i2c0 { + u-boot,dm-spl; + + eeprom@52 { + u-boot,dm-spl; + }; + + eeprom@53 { + u-boot,dm-spl; + }; }; diff --git a/arch/arm/dts/armada-388-helios4.dts b/arch/arm/dts/armada-388-helios4.dts index fb49df2a3b..e948b94090 100644 --- a/arch/arm/dts/armada-388-helios4.dts +++ b/arch/arm/dts/armada-388-helios4.dts @@ -22,10 +22,14 @@ };
aliases { - /* So that mvebu u-boot can update the MAC addresses */ + /* So that mvebu u-boot can update the MAC address */ ethernet1 = ð0; + spi1 = &spi1; + i2c0 = &i2c0; + i2c1 = &i2c1; };
+ chosen { stdout-path = "serial0:115200n8"; }; @@ -306,3 +310,43 @@ }; }; }; + +&pinctrl { + helios4_spi1_cs_pins: spi1-cs-pins { + marvell,pins = "mpp55"; + marvell,function = "spi1"; + }; + mikro_pins: mikro-pins { + /* int: mpp22 rst: mpp29 */ + marvell,pins = "mpp22", "mpp29"; + marvell,function = "gpio"; + }; + mikro_spi_pins: mikro-spi-pins { + marvell,pins = "mpp43"; + marvell,function = "spi1"; + }; + mikro_uart_pins: mikro-uart-pins { + marvell,pins = "mpp24", "mpp25"; + marvell,function = "ua1"; + }; + rear_button_pins: rear-button-pins { + marvell,pins = "mpp34"; + marvell,function = "gpio"; + }; +}; + +&w25q32 { + status = "okay"; +}; + +&spi1 { + /* + * Add SPI CS pins for helios4: + * CS0: W25Q32 + * CS1: + * CS2: mikrobus + */ + pinctrl-0 = <&spi1_pins &mikro_spi_pins>; + pinctrl-names = "default"; + status = "okay"; +};