[PATCH 7/9] arm64: dts: st: Add SPI NOR flash support on stm32mp257f-ev1 board

From: patrice.chotard
Date: Wed Jan 22 2025 - 09:15:00 EST


From: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>

Add SPI NOR flash nor support on stm32mp257f-ev1 board.

Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 33 ++++++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 1b88485a62a1..fe5577fff4d3 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -80,6 +80,11 @@ fw@80000000 {
reg = <0x0 0x80000000 0x0 0x4000000>;
no-map;
};
+
+ mm_ospi1: mm-ospi@60000000 {
+ reg = <0x0 0x60000000 0x0 0x10000000>;
+ no-map;
+ };
};
};

@@ -190,6 +195,34 @@ &i2c8 {
status = "disabled";
};

+&ommanager {
+ memory-region = <&mm_ospi1>;
+ memory-region-names = "mm_ospi1";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&ospi_port1_clk_pins_a
+ &ospi_port1_io03_pins_a
+ &ospi_port1_cs0_pins_a>;
+ pinctrl-1 = <&ospi_port1_clk_sleep_pins_a
+ &ospi_port1_io03_sleep_pins_a
+ &ospi_port1_cs0_sleep_pins_a>;
+ status = "okay";
+
+ spi@40430000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ memory-region = <&mm_ospi1>;
+ status = "okay";
+
+ flash0: flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-rx-bus-width = <4>;
+ spi-tx-bus-width = <4>;
+ spi-max-frequency = <50000000>;
+ };
+ };
+};
+
&rtc {
status = "okay";
};
--
2.25.1