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>

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>;
+                };
+        };
+};