This patch adds FMC2 External Bus Interface support on stm32mp157c.
Signed-off-by: Christophe Kerello <christophe.kerello@xxxxxx>
---
arch/arm/boot/dts/stm32mp151.dtsi | 43 +++++++++++++++++++++++------------
arch/arm/boot/dts/stm32mp157c-ev1.dts | 16 +++++++------
2 files changed, 38 insertions(+), 21 deletions(-)
diff --git a/arch/arm/boot/dts/stm32mp151.dtsi b/arch/arm/boot/dts/stm32mp151.dtsi
index bfe2902..4fd7572 100644
--- a/arch/arm/boot/dts/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/stm32mp151.dtsi
@@ -1302,23 +1302,38 @@
dma-requests = <48>;
};
- fmc: nand-controller@58002000 {
- compatible = "st,stm32mp15-fmc2";
- reg = <0x58002000 0x1000>,
- <0x80000000 0x1000>,
- <0x88010000 0x1000>,
- <0x88020000 0x1000>,
- <0x81000000 0x1000>,
- <0x89010000 0x1000>,
- <0x89020000 0x1000>;
- interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
- dmas = <&mdma1 20 0x10 0x12000a02 0x0 0x0>,
- <&mdma1 20 0x10 0x12000a08 0x0 0x0>,
- <&mdma1 21 0x10 0x12000a0a 0x0 0x0>;
- dma-names = "tx", "rx", "ecc";
+ fmc: memory-controller@58002000 {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ compatible = "st,stm32mp1-fmc2-ebi";
+ reg = <0x58002000 0x1000>;
clocks = <&rcc FMC_K>;
resets = <&rcc FMC_R>;
status = "disabled";
+
+ ranges = <0 0 0x60000000 0x04000000>, /* EBI CS 1 */
+ <1 0 0x64000000 0x04000000>, /* EBI CS 2 */
+ <2 0 0x68000000 0x04000000>, /* EBI CS 3 */
+ <3 0 0x6c000000 0x04000000>, /* EBI CS 4 */
+ <4 0 0x80000000 0x10000000>; /* NAND */
+
+ nand-controller@4,0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "st,stm32mp1-fmc2-nfc";
+ reg = <4 0x00000000 0x1000>,
+ <4 0x08010000 0x1000>,
+ <4 0x08020000 0x1000>,
+ <4 0x01000000 0x1000>,
+ <4 0x09010000 0x1000>,
+ <4 0x09020000 0x1000>;
+ interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&mdma1 20 0x2 0x12000a02 0x0 0x0>,
+ <&mdma1 20 0x2 0x12000a08 0x0 0x0>,
+ <&mdma1 21 0x2 0x12000a0a 0x0 0x0>;
+ dma-names = "tx", "rx", "ecc";
+ status = "disabled";
+ };
};
qspi: spi@58003000 {
diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts
index 85628e1..a55e80c 100644
--- a/arch/arm/boot/dts/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts
@@ -158,14 +158,16 @@
pinctrl-0 = <&fmc_pins_a>;
pinctrl-1 = <&fmc_sleep_pins_a>;
status = "okay";
- #address-cells = <1>;
- #size-cells = <0>;
- nand@0 {
- reg = <0>;
- nand-on-flash-bbt;
- #address-cells = <1>;
- #size-cells = <1>;
+ nand-controller@4,0 {
+ status = "okay";
+
+ nand@0 {
+ reg = <0>;
+ nand-on-flash-bbt;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
};
};
--
1.9.1
