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Subject[PATCH 2/2] arm64: dts: ti: k3-am65: Add OSPI DT node
Date
AM654 SoC has two Cadence OSPI controller instances under Flash
subsystem (FSS). Add DT nodes for the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---
arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 38 +++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am65.dtsi | 11 +++++-
.../arm64/boot/dts/ti/k3-am654-base-board.dts | 36 ++++++++++++++++++
3 files changed, 83 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 7bdf5342f58f..aec720f35578 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -95,4 +95,42 @@ adc {
compatible = "ti,am654-adc", "ti,am3359-adc";
};
};
+
+ fss: fss@47000000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ ospi0: spi@47040000 {
+ compatible = "ti,am654-ospi", "cdns,qspi-nor";
+ reg = <0x0 0x47040000 0x0 0x100>,
+ <0x5 0x00000000 0x1 0x0000000>;
+ interrupts = <GIC_SPI 552 IRQ_TYPE_LEVEL_HIGH>;
+ cdns,fifo-depth = <256>;
+ cdns,fifo-width = <4>;
+ cdns,trigger-address = <0x50000000>;
+ clocks = <&k3_clks 55 5>;
+ assigned-clocks = <&k3_clks 55 5>;
+ assigned-clock-parents = <&k3_clks 55 7>;
+ assigned-clock-rates = <166666666>;
+ power-domains = <&k3_pds 55 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ ospi1: spi@47050000 {
+ compatible = "ti,am654-ospi", "cdns,qspi-nor";
+ reg = <0x0 0x47050000 0x0 0x100>,
+ <0x7 0x00000000 0x1 0x00000000>;
+ interrupts = <GIC_SPI 553 IRQ_TYPE_LEVEL_HIGH>;
+ cdns,fifo-depth = <256>;
+ cdns,fifo-width = <4>;
+ cdns,trigger-address = <0x58000000>;
+ clocks = <&k3_clks 55 16>;
+ power-domains = <&k3_pds 55 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
index 6dfccd5d56c8..d38720bc2551 100644
--- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
@@ -80,7 +80,11 @@ cbass_main: interconnect@100000 {
<0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>,
<0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>,
<0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>,
- <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>;
+ <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+ <0x00 0x50000000 0x00 0x50000000 0x00 0x8000000>,
+ <0x00 0x70000000 0x00 0x70000000 0x00 0x200000>,
+ <0x05 0x00000000 0x05 0x00000000 0x01 0x0000000>,
+ <0x07 0x00000000 0x07 0x00000000 0x01 0x0000000>;

cbass_mcu: interconnect@28380000 {
compatible = "simple-bus";
@@ -94,7 +98,10 @@ cbass_mcu: interconnect@28380000 {
<0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>, /* WKUP */
<0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>, /* MMRs, remaining NAVSS */
<0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>, /* CPSW */
- <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>; /* OSPI space 1 */
+ <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, /* OSPI space 1 */
+ <0x00 0x50000000 0x00 0x50000000 0x00 0x8000000>, /* FSS OSPI0 data region 1 */
+ <0x05 0x00000000 0x05 0x00000000 0x01 0x0000000>, /* FSS OSPI0 data region 3*/
+ <0x07 0x00000000 0x07 0x00000000 0x01 0x0000000>; /* FSS OSPI1 data region 3*/

cbass_wakeup: interconnect@42040000 {
compatible = "simple-bus";
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index 8a85b482ad31..94bec7aa9baf 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -69,6 +69,22 @@ AM65X_WKUP_IOPAD(0x0030, PIN_INPUT, 7) /* (R5) WKUP_GPIO0_24 */
AM65X_WKUP_IOPAD(0x003c, PIN_INPUT, 7) /* (P2) WKUP_GPIO0_27 */
>;
};
+
+ mcu_fss0_ospi0_pins_default: mcu-fss0-ospi0-pins_default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x0000, PIN_OUTPUT, 0) /* (V1) MCU_OSPI0_CLK */
+ AM65X_WKUP_IOPAD(0x0008, PIN_INPUT, 0) /* (U2) MCU_OSPI0_DQS */
+ AM65X_WKUP_IOPAD(0x000c, PIN_INPUT, 0) /* (U4) MCU_OSPI0_D0 */
+ AM65X_WKUP_IOPAD(0x0010, PIN_INPUT, 0) /* (U5) MCU_OSPI0_D1 */
+ AM65X_WKUP_IOPAD(0x0014, PIN_INPUT, 0) /* (T2) MCU_OSPI0_D2 */
+ AM65X_WKUP_IOPAD(0x0018, PIN_INPUT, 0) /* (T3) MCU_OSPI0_D3 */
+ AM65X_WKUP_IOPAD(0x001c, PIN_INPUT, 0) /* (T4) MCU_OSPI0_D4 */
+ AM65X_WKUP_IOPAD(0x0020, PIN_INPUT, 0) /* (T5) MCU_OSPI0_D5 */
+ AM65X_WKUP_IOPAD(0x0024, PIN_INPUT, 0) /* (R2) MCU_OSPI0_D6 */
+ AM65X_WKUP_IOPAD(0x0028, PIN_INPUT, 0) /* (R3) MCU_OSPI0_D7 */
+ AM65X_WKUP_IOPAD(0x002c, PIN_OUTPUT, 0) /* (R4) MCU_OSPI0_CSn0 */
+ >;
+ };
};

&main_pmx0 {
@@ -339,3 +355,23 @@ &mailbox0_cluster10 {
&mailbox0_cluster11 {
status = "disabled";
};
+
+&ospi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_fss0_ospi0_pins_default>;
+
+ flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0x0>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <8>;
+ spi-max-frequency = <40000000>;
+ cdns,tshsl-ns = <60>;
+ cdns,tsd2d-ns = <60>;
+ cdns,tchsh-ns = <60>;
+ cdns,tslch-ns = <60>;
+ cdns,read-delay = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+};
--
2.24.0
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