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Message-Id: <20240219111422.171315-3-sabiya.d@ti.com>
Date: Mon, 19 Feb 2024 16:44:22 +0530
From: sabiya.d@...tralsolutions.com
To: nm@...com,
vigneshr@...com,
kristo@...nel.org,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
linus.walleij@...aro.org
Cc: devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
u-kumar1@...com,
sabiya.d@...tralsolutions.com,
Dasnavis Sabiya <sabiya.d@...com>
Subject: [RESEND PATCH V2 2/2] arm64: dts: ti: k3-am69-sk: Add support for OSPI flash
From: Dasnavis Sabiya <sabiya.d@...com>
AM69 SK has S28HS512T OSPI flash connected to MCU OSPI0.
Enable support for the same. Also describe the partition
information according to the offsets in the bootloader.
Signed-off-by: Dasnavis Sabiya <sabiya.d@...com>
---
arch/arm64/boot/dts/ti/k3-am69-sk.dts | 81 +++++++++++++++++++++++++++
1 file changed, 81 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
index 0ff4d1623cf4..acda25a9e814 100644
--- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
@@ -471,6 +471,25 @@ J784S4_IOPAD(0x09C, PIN_OUTPUT, 0) /* (AF35) MCAN7_TX */
};
};
+&wkup_pmx0 {
+ bootph-all;
+ mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-default-pins {
+ pinctrl-single,pins = <
+ J784S4_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (E32) MCU_OSPI0_CLK */
+ J784S4_WKUP_IOPAD(0x02c, PIN_OUTPUT, 0) /* (A32) MCU_OSPI0_CSn0 */
+ J784S4_WKUP_IOPAD(0x00c, PIN_INPUT, 0) /* (B33) MCU_OSPI0_D0 */
+ J784S4_WKUP_IOPAD(0x010, PIN_INPUT, 0) /* (B32) MCU_OSPI0_D1 */
+ J784S4_WKUP_IOPAD(0x014, PIN_INPUT, 0) /* (C33) MCU_OSPI0_D2 */
+ J784S4_WKUP_IOPAD(0x018, PIN_INPUT, 0) /* (C35) MCU_OSPI0_D3 */
+ J784S4_WKUP_IOPAD(0x01c, PIN_INPUT, 0) /* (D33) MCU_OSPI0_D4 */
+ J784S4_WKUP_IOPAD(0x020, PIN_INPUT, 0) /* (D34) MCU_OSPI0_D5 */
+ J784S4_WKUP_IOPAD(0x024, PIN_INPUT, 0) /* (E34) MCU_OSPI0_D6 */
+ J784S4_WKUP_IOPAD(0x028, PIN_INPUT, 0) /* (E33) MCU_OSPI0_D7 */
+ J784S4_WKUP_IOPAD(0x008, PIN_INPUT, 0) /* (C34) MCU_OSPI0_DQS */
+ >;
+ };
+};
+
&wkup_pmx2 {
bootph-all;
pmic_irq_pins_default: pmic-irq-default-pins {
@@ -1070,3 +1089,65 @@ &main_mcan7 {
pinctrl-0 = <&main_mcan7_pins_default>;
phys = <&transceiver4>;
};
+
+&ospi0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_fss0_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 {
+ bootph-all;
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "ospi.tiboot3";
+ reg = <0x0 0x80000>;
+ };
+
+ partition@...00 {
+ label = "ospi.tispl";
+ reg = <0x80000 0x200000>;
+ };
+
+ partition@...000 {
+ label = "ospi.u-boot";
+ reg = <0x280000 0x400000>;
+ };
+
+ partition@...000 {
+ label = "ospi.env";
+ reg = <0x680000 0x40000>;
+ };
+
+ partition@...000 {
+ label = "ospi.env.backup";
+ reg = <0x6c0000 0x40000>;
+ };
+
+ partition@...000 {
+ label = "ospi.rootfs";
+ reg = <0x800000 0x37c0000>;
+ };
+
+ partition@...0000 {
+ bootph-pre-ram;
+ label = "ospi.phypattern";
+ reg = <0x3fc0000 0x40000>;
+ };
+ };
+ };
+};
--
2.34.1
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