github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-03 03:53:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

arm64: dts: ti: k3-am62d2-evm: Add support for OSPI flash

Browse Source 
AM62D2 EVM has S28HS512T 64 MiB Octal SPI NOR flash connected to the
OSPI interface. Add support for the flash and describe the partition
information as per bootloader.

Signed-off-by: Paresh Bhagat <p-bhagat@ti.com>
Reviewed-by: Santhosh Kumar K <s-k6@ti.com>
Link: https://patch.msgid.link/20250813090300.733295-1-p-bhagat@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Paresh Bhagat 2025-08-13 14:33:00 +05:30 committed by Nishanth Menon
parent 5cd40f3327
commit 1a1066f553
1 changed files with 86 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
arch/arm64/boot/dts/ti/k3-am62d2-evm.dts
View File

@ -25,6 +25,7 @@ aliases {
rtc0 = &wkup_rtc0;
ethernet0 = &cpsw_port1;
ethernet1 = &cpsw_port2;
spi0 = &ospi0;
};
chosen {
@ -349,6 +350,26 @@ main_usb1_pins_default: main-usb1-default-pins {
AM62DX_IOPAD(0x0258, PIN_OUTPUT, 0) /* (D19) USB1_DRVVBUS */
>;
};
ospi0_pins_default: ospi0-default-pins {
pinctrl-single,pins = <
AM62DX_IOPAD(0x0000, PIN_OUTPUT, 0) /* (L22) OSPI0_CLK */
AM62DX_IOPAD(0x002c, PIN_OUTPUT, 0) /* (H21) OSPI0_CSn0 */
AM62DX_IOPAD(0x0030, PIN_OUTPUT, 0) /* (G19) OSPI0_CSn1 */
AM62DX_IOPAD(0x0034, PIN_OUTPUT, 0) /* (K20) OSPI0_CSn2 */
AM62DX_IOPAD(0x0038, PIN_OUTPUT, 0) /* (G20) OSPI0_CSn3 */
AM62DX_IOPAD(0x000c, PIN_INPUT, 0) /* (J21) OSPI0_D0 */
AM62DX_IOPAD(0x0010, PIN_INPUT, 0) /* (J18) OSPI0_D1 */
AM62DX_IOPAD(0x0014, PIN_INPUT, 0) /* (J19) OSPI0_D2 */
AM62DX_IOPAD(0x0018, PIN_INPUT, 0) /* (H18) OSPI0_D3 */
AM62DX_IOPAD(0x001c, PIN_INPUT, 0) /* (K21) OSPI0_D4 */
AM62DX_IOPAD(0x0020, PIN_INPUT, 0) /* (H19) OSPI0_D5 */
AM62DX_IOPAD(0x0024, PIN_INPUT, 0) /* (J20) OSPI0_D6 */
AM62DX_IOPAD(0x0028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */
AM62DX_IOPAD(0x0008, PIN_INPUT, 0) /* (L21) OSPI0_DQS */
>;
bootph-all;
};
};
&mcu_gpio0 {
@ -548,6 +569,71 @@ cpsw3g_phy1: ethernet-phy@3 {
};
};
&fss {
status = "okay";
};
&ospi0 {
pinctrl-names = "default";
pinctrl-0 = <&ospi0_pins_default>;
status = "okay";
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>;
bootph-all;
};
};
};
};
&wkup_r5fss0_core0 {
bootph-pre-ram;
};