diff options
| author | Sourav Poddar <sourav.poddar@ti.com> | 2014-04-28 19:12:30 +0530 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2014-05-06 10:19:49 -0700 |
| commit | 2a1a5043fd3711b8aad6f485a0a6ae17c76e1693 (patch) | |
| tree | 1e7ca00f0b2d257cd2dab956fb4bd87071be1fb0 /arch/arm/boot | |
| parent | 4a996d187ed970a0d2116501edb6e744bce78f29 (diff) | |
| download | linux-2a1a5043fd3711b8aad6f485a0a6ae17c76e1693.tar.bz2 | |
ARM: dts: am43x-epos: Add qspi device
This patch adds qspi nodes for am43xx SOC devices.
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/am4372.dtsi | 11 | ||||
| -rw-r--r-- | arch/arm/boot/dts/am43x-epos-evm.dts | 63 |
2 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index 957ecfd84ef7..ac37ac9cab31 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -829,6 +829,17 @@ status = "disabled"; }; }; + + 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 1a4946a76ea2..ce5fc3909771 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -138,6 +138,17 @@ 0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */ >; }; + + 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 { @@ -385,3 +396,55 @@ dr_mode = "host"; 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>; + }; + }; +}; |