These add device tree entry for qspi controller driver on dra7. Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx> --- v1->v2: use "MUX_MODE1" instead of numeric value arch/arm/boot/dts/dra7-evm.dts | 32 ++++++++++++++++++++++++++++++++ arch/arm/boot/dts/dra7.dtsi | 13 +++++++++++++ 2 files changed, 45 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 5babba0..4a57fdf 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -93,6 +93,21 @@ 0x24c (PIN_INPUT_SLEW | MUX_MODE0) /* uart3_txd */ >; }; + + qspi1_pins: pinmux_qspi1_pins { + pinctrl-single,pins = < + 0x4c (PIN_INPUT | MUX_MODE1) /* gpmc_a3.qspi1_cs2 */ + 0x50 (PIN_INPUT | MUX_MODE1) /* gpmc_a4.qspi1_cs3 */ + 0x74 (PIN_INPUT | MUX_MODE1) /* gpmc_a13.qspi1_rtclk */ + 0x78 (PIN_INPUT | MUX_MODE1) /* gpmc_a14.qspi1_d3 */ + 0x7c (PIN_INPUT | MUX_MODE1) /* gpmc_a15.qspi1_d2 */ + 0x80 (PIN_INPUT | MUX_MODE1) /* gpmc_a16.qspi1_d1 */ + 0x84 (PIN_INPUT | MUX_MODE1) /* gpmc_a17.qspi1_d0 */ + 0x88 (PIN_INPUT | MUX_MODE1) /* qpmc_a18.qspi1_sclk */ + 0xb8 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs2.qspi1_cs0 */ + 0xbc (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs3.qspi1_cs1 */ + >; + }; }; &i2c1 { @@ -273,3 +288,20 @@ &cpu0 { cpu0-supply = <&smps123_reg>; }; + +&qspi { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&qspi1_pins>; + + spi-max-frequency = <48000000>; + m25p80@0 { + compatible = "s25fl256s1"; + spi-max-frequency = <48000000>; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + spi-cpol; + spi-cpha; + }; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 67275c8..b06d899 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -582,6 +582,19 @@ dma-names = "tx0", "rx0"; status = "disabled"; }; + + qspi: qspi@4b300000 { + compatible = "ti,dra7xxx-qspi"; + reg = <0x4b300000 0x100>, <0x4a002558 0x4>, + <0x5c000000 0x3ffffff>; + reg-names = "qspi_base", "qspi_ctrlmod", "qspi_mmap"; + #address-cells = <1>; + #size-cells = <0>; + ti,hwmods = "qspi"; + num-cs = <4>; + interrupts = <0 124 0x4>; + status = "disabled"; + }; }; clocks { -- 1.7.1 -- 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