Hi Dennis,
On Mon, Dec 07 2020, dgilmore@redhat.com wrote:
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";- };
There is no MikroBUS header or rear button on the Helios4 carrier as far as I can see.
+};
+&w25q32 {
- status = "okay";
+};
+&spi1 {
- /*
* Add SPI CS pins for helios4:* CS0: W25Q32* CS1:* CS2: mikrobus
Ditto.
*/- pinctrl-0 = <&spi1_pins &mikro_spi_pins>;
- pinctrl-names = "default";
- status = "okay";
+};
baruch