K2G SoC has a Cadence QSPI controller to communicate with NOR flash devices. Add DT nodes to support the same. Also, K2G EVM has a s25fl512s flash connect to QSPI bus at CS 0. Add nor flash slave node for the same.
Signed-off-by: Vignesh R vigneshr@ti.com Reviewed-by: Tom Rini trini@konsulko.com Reviewed-by: Jagan Teki jteki@openedev.com --- arch/arm/dts/k2g-evm.dts | 45 +++++++++++++++++++++++++++++++++++++++++++++ arch/arm/dts/k2g.dtsi | 14 ++++++++++++++ 2 files changed, 59 insertions(+)
diff --git a/arch/arm/dts/k2g-evm.dts b/arch/arm/dts/k2g-evm.dts index 38ca7ae1b6b9..e95efd476707 100644 --- a/arch/arm/dts/k2g-evm.dts +++ b/arch/arm/dts/k2g-evm.dts @@ -55,3 +55,48 @@ }; }; }; + +&qspi { + status = "okay"; + + flash0: m25p80@0 { + compatible = "s25fl512s","spi-flash"; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-max-frequency = <96000000>; + #address-cells = <1>; + #size-cells = <1>; + tshsl-ns = <392>; + tsd2d-ns = <392>; + tchsh-ns = <100>; + tslch-ns = <100>; + block-size = <18>; + + + partition@0 { + label = "QSPI.u-boot-spl-os"; + reg = <0x00000000 0x00100000>; + }; + partition@1 { + label = "QSPI.u-boot-env"; + reg = <0x00100000 0x00040000>; + }; + partition@2 { + label = "QSPI.skern"; + reg = <0x00140000 0x0040000>; + }; + partition@3 { + label = "QSPI.pmmc-firmware"; + reg = <0x00180000 0x0040000>; + }; + partition@4 { + label = "QSPI.kernel"; + reg = <0x001C0000 0x0800000>; + }; + partition@5 { + label = "QSPI.file-system"; + reg = <0x009C0000 0x3640000>; + }; + }; +}; diff --git a/arch/arm/dts/k2g.dtsi b/arch/arm/dts/k2g.dtsi index 88b1a8e998ac..00cd49297336 100644 --- a/arch/arm/dts/k2g.dtsi +++ b/arch/arm/dts/k2g.dtsi @@ -23,6 +23,7 @@ spi1 = &spi1; spi2 = &spi2; spi3 = &spi3; + spi4 = &qspi; };
memory { @@ -84,6 +85,19 @@ bus_freq = <2500000>; };
+ qspi: qspi@2940000 { + compatible = "cadence,qspi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x02940000 0x1000>, + <0x24000000 0x4000000>; + interrupts = <GIC_SPI 198 IRQ_TYPE_EDGE_RISING>; + num-cs = <4>; + fifo-depth = <256>; + sram-size = <256>; + status = "disabled"; + }; + #include "k2g-netcp.dtsi"
pmmc: pmmc@2900000 {