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authorSourav Poddar <sourav.poddar@ti.com>2014-04-28 17:42:30 +0400
committerTony Lindgren <tony@atomide.com>2014-05-06 21:19:49 +0400
commit2a1a5043fd3711b8aad6f485a0a6ae17c76e1693 (patch)
tree1e7ca00f0b2d257cd2dab956fb4bd87071be1fb0 /arch/arm/boot/dts
parent4a996d187ed970a0d2116501edb6e744bce78f29 (diff)
downloadlinux-2a1a5043fd3711b8aad6f485a0a6ae17c76e1693.tar.xz
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/dts')
-rw-r--r--arch/arm/boot/dts/am4372.dtsi11
-rw-r--r--arch/arm/boot/dts/am43x-epos-evm.dts63
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>;
+ };
+ };
+};