This patch adds FMC2 External Bus Interface support on stm32mp157c.
Signed-off-by: Christophe Kerello christophe.kerello@st.com ---
arch/arm/dts/stm32mp151.dtsi | 43 +++++++++++++++++++++++++++------------- arch/arm/dts/stm32mp157c-ev1.dts | 16 ++++++++------- 2 files changed, 38 insertions(+), 21 deletions(-)
diff --git a/arch/arm/dts/stm32mp151.dtsi b/arch/arm/dts/stm32mp151.dtsi index 0d97f56..39d9e54 100644 --- a/arch/arm/dts/stm32mp151.dtsi +++ b/arch/arm/dts/stm32mp151.dtsi @@ -1328,23 +1328,38 @@ 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/dts/stm32mp157c-ev1.dts b/arch/arm/dts/stm32mp157c-ev1.dts index b190565..46f81ce 100644 --- a/arch/arm/dts/stm32mp157c-ev1.dts +++ b/arch/arm/dts/stm32mp157c-ev1.dts @@ -157,14 +157,16 @@ 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>; + }; }; };