[PATCH v2 1/5] arm: dts: am335x-icev2: Add spi node
Faiz Abbas
faiz_abbas at ti.com
Mon Sep 14 08:41:13 CEST 2020
Add spi and spi nor flash nodes for am335x-icev2.
Signed-off-by: Faiz Abbas <faiz_abbas at ti.com>
---
arch/arm/dts/am335x-icev2.dts | 50 +++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/arch/arm/dts/am335x-icev2.dts b/arch/arm/dts/am335x-icev2.dts
index 37484cb6f5..2a1b3a53e9 100644
--- a/arch/arm/dts/am335x-icev2.dts
+++ b/arch/arm/dts/am335x-icev2.dts
@@ -436,3 +436,53 @@
reg = <3>;
};
};
+
+&spi0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pins_default>;
+
+ sn65hvs882 at 1 {
+ compatible = "pisosr-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ load-gpios = <&gpio3 18 GPIO_ACTIVE_LOW>;
+
+ reg = <1>;
+ spi-max-frequency = <1000000>;
+ spi-cpol;
+ };
+
+ spi_nor: flash at 0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "winbond,w25q64", "jedec,spi-nor";
+ spi-max-frequency = <80000000>;
+ m25p,fast-read;
+ reg = <0>;
+
+ partition at 0 {
+ label = "u-boot-spl";
+ reg = <0x0 0x80000>;
+ read-only;
+ };
+
+ partition at 1 {
+ label = "u-boot";
+ reg = <0x80000 0x100000>;
+ read-only;
+ };
+
+ partition at 2 {
+ label = "u-boot-env";
+ reg = <0x180000 0x20000>;
+ read-only;
+ };
+
+ partition at 3 {
+ label = "misc";
+ reg = <0x1A0000 0x660000>;
+ };
+ };
+};
--
2.17.1
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