Add DT nodes to enable S28HS512T OSPI flash on the SK board.
Signed-off-by: Dhruva Gole <d-g...@ti.com>
---
arch/arm/dts/k3-am625-sk-u-boot.dtsi | 24 +++++++++
arch/arm/dts/k3-am625-sk.dts | 77 ++++++++++++++++++++++++++++
2 files changed, 101 insertions(+)
diff --git a/arch/arm/dts/k3-am625-sk-u-boot.dtsi
b/arch/arm/dts/k3-am625-sk-u-boot.dtsi
index 159fa36bbe9f..92788bae3e09 100644
--- a/arch/arm/dts/k3-am625-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-am625-sk-u-boot.dtsi
@@ -102,3 +102,27 @@
&main_mmc1_pins_default {
u-boot,dm-spl;
};
+
+&fss {
+ u-boot,dm-spl;
+};
+
+&ospi0_pins_default {
+ u-boot,dm-spl;
+};
+
+&ospi0 {
+ u-boot,dm-spl;
+
+ flash@0 {
+ u-boot,dm-spl;
+
+ partitions {
+ u-boot,dm-spl;
+
+ partition@3fc0000 {
+ u-boot,dm-spl;
+ };
+ };
+ };
+};
diff --git a/arch/arm/dts/k3-am625-sk.dts b/arch/arm/dts/k3-am625-sk.dts
index 76b06ea23953..5d4b2fddafaa 100644
--- a/arch/arm/dts/k3-am625-sk.dts
+++ b/arch/arm/dts/k3-am625-sk.dts
@@ -19,6 +19,7 @@
aliases {
serial2 = &main_uart0;
mmc1 = &sdhci1;
+ spi0 = &ospi0;
};
chosen {
@@ -77,6 +78,23 @@
AM62X_IOPAD(0x240, PIN_INPUT, 0) /* (D17) MMC1_SDCD */
>;
};
+
+ ospi0_pins_default: ospi0-pins-default {
+ pinctrl-single,pins = <
+ AM62X_IOPAD(0x000, PIN_OUTPUT, 0) /* (H24) OSPI0_CLK */
+ AM62X_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F23) OSPI0_CSn0 */
+ AM62X_IOPAD(0x00c, PIN_INPUT, 0) /* (E25) OSPI0_D0 */
+
+ AM62X_IOPAD(0x010, PIN_INPUT, 0) /* (G24) OSPI0_D1 */
+ AM62X_IOPAD(0x014, PIN_INPUT, 0) /* (F25) OSPI0_D2 */
+ AM62X_IOPAD(0x018, PIN_INPUT, 0) /* (F24) OSPI0_D3 */
+ AM62X_IOPAD(0x01c, PIN_INPUT, 0) /* (J23) OSPI0_D4 */
+ AM62X_IOPAD(0x020, PIN_INPUT, 0) /* (J25) OSPI0_D5 */
+ AM62X_IOPAD(0x024, PIN_INPUT, 0) /* (H25) OSPI0_D6 */
+ AM62X_IOPAD(0x028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */
+ AM62X_IOPAD(0x008, PIN_INPUT, 0) /* (J24) OSPI0_DQS */
+ >;
+ };
};
&wkup_uart0 {
@@ -148,3 +166,62 @@
ti,driver-strength-ohm = <50>;
disable-wp;
};
+
+&ospi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ospi0_pins_default>;
+
+ flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-tx-bus-width = <8>;
+ spi-rx-bus-width = <8>;
+ spi-max-frequency = <25000000>;
+ cdns,tshsl-ns = <60>;
+ cdns,tsd2d-ns = <60>;
+ cdns,tchsh-ns = <60>;
+ cdns,tslch-ns = <60>;
+ cdns,read-delay = <4>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "ospi.tiboot3";
+ reg = <0x0 0x80000>;
+ };
+
+ partition@80000 {
+ label = "ospi.tispl";
+ reg = <0x80000 0x200000>;
+ };
+
+ partition@280000 {
+ label = "ospi.u-boot";
+ reg = <0x280000 0x400000>;
+ };
+
+ partition@680000 {
+ label = "ospi.env";
+ reg = <0x680000 0x40000>;
+ };
+
+ partition@6c0000 {
+ label = "ospi.env.backup";
+ reg = <0x6c0000 0x40000>;
+ };
+
+ partition@800000 {
+ label = "ospi.rootfs";
+ reg = <0x800000 0x37c0000>;
+ };
+
+ partition@3fc0000 {
+ label = "ospi.phypattern";
+ reg = <0x3fc0000 0x40000>;
+ };
+ };
+ };
+};
--
2.25.1
