These add device tree entry for qspi controller driver on am43x-epos-evm. Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx> --- This was added as part of the following series, http://www.spinics.net/lists/linux-omap/msg101024.html Few patches of the above series are picked. Sending this dts patch with updates[1] to enable spi mode operations with flash device. [1]: v2->v3 - Enables only SPI mode operations - Add partition table arch/arm/boot/dts/am4372.dtsi | 11 ++++++ arch/arm/boot/dts/am43x-epos-evm.dts | 63 ++++++++++++++++++++++++++++++++++ 2 files changed, 74 insertions(+) diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 5a7cc38..c426d25 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -698,6 +698,17 @@ <&edma 11>; dma-names = "tx", "rx"; }; + + qspi: qspi@47900000 { + compatible = "ti,am4372-qspi"; + reg = <0x47900000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + ti,hwmods = "qspi"; + interrupts = <0 138 0x4>; + num-cs = <4>; + status = "disabled"; + }; }; }; diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index a7d0db1..20c7fa6 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -111,6 +111,17 @@ 0x19c (PIN_OUTPUT | MUX_MODE3) /* mcasp0_ahclkr.spi1_cs0 */ >; }; + + qspi1_default: qspi1_default { + pinctrl-single,pins = < + 0x7c (PIN_INPUT_PULLUP | MUX_MODE3) + 0x88 (PIN_INPUT_PULLUP | MUX_MODE2) + 0x90 (PIN_INPUT_PULLUP | MUX_MODE3) + 0x94 (PIN_INPUT_PULLUP | MUX_MODE3) + 0x98 (PIN_INPUT_PULLUP | MUX_MODE3) + 0x9c (PIN_INPUT_PULLUP | MUX_MODE3) + >; + }; }; matrix_keypad: matrix_keypad@0 { @@ -251,3 +262,55 @@ pinctrl-0 = <&spi1_pins>; status = "okay"; }; + +&qspi { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&qspi1_default>; + + spi-max-frequency = <48000000>; + m25p80@0 { + compatible = "mx66l51235l"; + spi-max-frequency = <48000000>; + reg = <0>; + spi-cpol; + spi-cpha; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + #address-cells = <1>; + #size-cells = <1>; + + /* MTD partition table. + * The ROM checks the first 512KiB + * for a valid file to boot(XIP). + */ + partition@0 { + label = "QSPI.U_BOOT"; + reg = <0x00000000 0x000080000>; + }; + partition@1 { + label = "QSPI.U_BOOT.backup"; + reg = <0x00080000 0x00080000>; + }; + partition@2 { + label = "QSPI.U-BOOT-SPL_OS"; + reg = <0x00100000 0x00010000>; + }; + partition@3 { + label = "QSPI.U_BOOT_ENV"; + reg = <0x00110000 0x00010000>; + }; + partition@4 { + label = "QSPI.U-BOOT-ENV.backup"; + reg = <0x00120000 0x00010000>; + }; + partition@5 { + label = "QSPI.KERNEL"; + reg = <0x00130000 0x0800000>; + }; + partition@6 { + label = "QSPI.FILESYSTEM"; + reg = <0x00930000 0x36D0000>; + }; + }; +}; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
