From: David Jander <david@xxxxxxxxxxx>
The board features a Fujitsu MB85RS128TY FRAM chip connected to spi0 CS
0. Add support for the MB85RS128TY to the device tree.
Signed-off-by: David Jander <david@xxxxxxxxxxx>
Signed-off-by: Jonas Rebmann <jre@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts b/arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts
index ca041b4d2d38a4e06cd0a54a806fed2ab723c94d..c70f6df537596a85528e4e0b499e59d71f05b4a3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-mecsbc.dts
@@ -240,6 +240,18 @@ rtc@51 {
};
};
+&spi0 {
+ /* use hardware chipselect on cs0 (cs1 unconnected) */
+ pinctrl-0 = <&spi0m0_pins>, <&spi0m0_cs0>;
+ status = "okay";
+
+ fram@0 {
+ compatible = "fujitsu,mb85rs128ty";
+ reg = <0>;
+ spi-max-frequency = <33000000>;
+ };
+};
+
&i2s1_8ch {
pinctrl-names = "default";
pinctrl-0 = <&i2s1m0_sclktx &i2s1m0_lrcktx &i2s1m0_sdi0 &i2s1m0_sdo0>;
--
2.39.5
