This patch add spi-nand DT nodes to the applicable Sparx5 boards. Signed-off-by: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx> --- arch/arm64/boot/dts/microchip/sparx5.dtsi | 20 ++++++++++++++++ .../boot/dts/microchip/sparx5_pcb125.dts | 7 ++++++ .../boot/dts/microchip/sparx5_pcb134.dts | 22 ++++++++++++++++++ .../boot/dts/microchip/sparx5_pcb135.dts | 23 +++++++++++++++++++ 4 files changed, 72 insertions(+) diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index 2404bcc08b89d..dd666d185e466 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -201,6 +201,26 @@ gpio: pinctrl@6110101e0 { interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>; #interrupt-cells = <2>; + cs1_pins: cs1-pins { + pins = "GPIO_16"; + function = "si"; + }; + + cs2_pins: cs2-pins { + pins = "GPIO_17"; + function = "si"; + }; + + cs3_pins: cs3-pins { + pins = "GPIO_18"; + function = "si"; + }; + + si2_pins: si2-pins { + pins = "GPIO_39", "GPIO_40", "GPIO_41"; + function = "si2"; + }; + uart_pins: uart-pins { pins = "GPIO_10", "GPIO_11"; function = "uart"; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts index d8b5d23abfab0..94c4c3fd5a786 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb125.dts @@ -46,6 +46,13 @@ spi-flash@0 { spi-max-frequency = <8000000>; /* input clock */ reg = <0>; /* CS0 */ }; + spi-flash@1 { + compatible = "spi-nand"; + pinctrl-0 = <&cs1_pins>; + pinctrl-names = "default"; + spi-max-frequency = <8000000>; + reg = <1>; /* CS1 */ + }; }; &i2c1 { diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts index feee4e99ff57c..7aee0548e44cb 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb134.dts @@ -15,3 +15,25 @@ memory@0 { reg = <0x00000000 0x00000000 0x10000000>; }; }; + +&gpio { + cs14_pins: cs14-pins { + pins = "GPIO_44"; + function = "si"; + }; +}; + +&spi0 { + pinctrl-0 = <&si2_pins>; + pinctrl-names = "default"; + /* Dedicated SPI2 interface */ + spi-flash@e { + compatible = "spi-nand"; + pinctrl-0 = <&cs14_pins>; + pinctrl-names = "default"; + spi-max-frequency = <42000000>; + reg = <14>; + microchip,spi-interface2; /* SPI2 */ + snps,rx-sample-delay-ns = <7>; /* Tune for speed */ + }; +}; diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts b/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts index 20e409a9be196..8f2329ce02030 100644 --- a/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts +++ b/arch/arm64/boot/dts/microchip/sparx5_pcb135.dts @@ -15,3 +15,26 @@ memory@0 { reg = <0x00000000 0x00000000 0x10000000>; }; }; + +&gpio { + cs14_pins: cs14-pins { + pins = "GPIO_44"; + function = "si"; + }; +}; + +&spi0 { + status = "okay"; + pinctrl-0 = <&si2_pins>; + pinctrl-names = "default"; + /* Dedicated SPI2 interface */ + spi-flash@e { + compatible = "spi-nand"; + pinctrl-0 = <&cs14_pins>; + pinctrl-names = "default"; + spi-max-frequency = <42000000>; + reg = <14>; + microchip,spi-interface2; /* SPI2 */ + snps,rx-sample-delay-ns = <7>; /* Tune for speed */ + }; +}; -- 2.27.0