These add device tree entry for qspi controller driver on am43x-epos-evm.
Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx>
---
arch/arm/boot/dts/am4372.dtsi | 12 ++++++++++++
arch/arm/boot/dts/am43x-epos-evm.dts | 28 ++++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index f1dd131..5d029de 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -663,6 +663,18 @@
<&edma 11>;
dma-names = "tx", "rx";
};
+
+ qspi: qspi@47900000 {
+ compatible = "ti,am4372-qspi";
+ reg = <0x47900000 0x100>, <0x30000000 0x3ffffff>;
+ reg-names = "qspi_base", "qspi_mmap";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ti,hwmods = "qspi";
+ interrupts = <0 138 0x4>;
+ num-cs = <4>;
+ status = "disabled";
+ };
};
clocks {
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index fbf9c4c..a037a92 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -79,6 +79,17 @@
0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
>;
};
+
+ 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 {
@@ -184,3 +195,20 @@
&gpio3 {
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>;
+ };
+};
--
1.7.1
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