On 3/1/23 3:11 AM, Ravi Gunasekaran wrote:
From: Aswath Govindraju <a-govindraju@xxxxxx>
Add support for two instance of OSPI in J721S2 SoC.
Reviewed-by: Vaishnav Achath <vaishnav.a@xxxxxx>
Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
Signed-off-by: Matt Ranostay <mranostay@xxxxxx>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
---
Changes from v11:
* Cleaned up comments
Changes from v10:
* Documented the reason for disabling the nodes by default.
* Removed Link tag from commmit message
Changes from v9:
* Disabled fss, ospi nodes by default in common DT file
Changes from v8:
* Updated "ranges" property to fix dtbs warnings
Changes from v7:
* Removed "reg" property from syscon node
* Renamed the "syscon" node to "bus" to after change in
compatible property
Changes from v6:
* Fixed the syscon node's compatible property
Changes from v5:
* Updated the syscon node's compatible property
* Removed Cc tags from commit message
Changes from v4:
* No change
Changes from v3:
* No change
Changes from v2:
* No change
Changes from v1:
* No change
.../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 46 +++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index 0af242aa9816..ab3ce8be7216 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -306,4 +306,50 @@
ti,cpts-periodic-outputs = <2>;
};
};
+
+ fss: bus@47000000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+ <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
+ <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
+
+ status = "disabled";
Since this node doesn't need pinmux, why is it default disabled? Same for
the other parent nodes in this series.
Andrew
+
+ ospi0: spi@47040000 {
+ compatible = "ti,am654-ospi", "cdns,qspi-nor";
+ reg = <0x00 0x47040000 0x00 0x100>,
+ <0x05 0x00000000 0x01 0x00000000>;
+ interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
+ cdns,fifo-depth = <256>;
+ cdns,fifo-width = <4>;
+ cdns,trigger-address = <0x0>;
+ clocks = <&k3_clks 109 5>;
+ assigned-clocks = <&k3_clks 109 5>;
+ assigned-clock-parents = <&k3_clks 109 7>;
+ assigned-clock-rates = <166666666>;
+ power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled"; /* Needs pinmux */
+ };
+
+ ospi1: spi@47050000 {
+ compatible = "ti,am654-ospi", "cdns,qspi-nor";
+ reg = <0x00 0x47050000 0x00 0x100>,
+ <0x07 0x00000000 0x01 0x00000000>;
+ interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
+ cdns,fifo-depth = <256>;
+ cdns,fifo-width = <4>;
+ cdns,trigger-address = <0x0>;
+ clocks = <&k3_clks 110 5>;
+ power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled"; /* Needs pinmux */
+ };
+ };
};
