arm64: dts: ti: k3-j784s4-main: Add DT node for UFS

Add UFS support present in J784S4 SOC.

UFS is documented in J784S4 TRM[1]
Section 12.3.7 'Universal Flash Storage (UFS) Interface'

[1] http://www.ti.com/lit/zip/spruj52

Cc: Chai Wenle <Wenle.Chai@windriver.com>
Tested-by: Chai Wenle <Wenle.Chai@windriver.com>
Signed-off-by: Udit Kumar <u-kumar1@ti.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20230725133607.2021379-2-u-kumar1@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index 11f163e5cadf9ec90661256396814877319c3a77..a04c44708a09af2464ac7a7c551e22ad73900578 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -1370,6 +1370,30 @@
                status = "disabled";
        };
 
+       ufs_wrapper: ufs-wrapper@4e80000 {
+               compatible = "ti,j721e-ufs";
+               reg = <0x00 0x4e80000 0x00 0x100>;
+               power-domains = <&k3_pds 387 TI_SCI_PD_EXCLUSIVE>;
+               clocks = <&k3_clks 387 3>;
+               assigned-clocks = <&k3_clks 387 3>;
+               assigned-clock-parents = <&k3_clks 387 6>;
+               ranges;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               status = "disabled";
+
+               ufs@4e84000 {
+                       compatible = "cdns,ufshc-m31-16nm", "jedec,ufs-2.0";
+                       reg = <0x00 0x4e84000 0x00 0x10000>;
+                       interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+                       freq-table-hz = <250000000 250000000>, <19200000 19200000>,
+                                       <19200000 19200000>;
+                       clocks = <&k3_clks 387 1>, <&k3_clks 387 3>, <&k3_clks 387 3>;
+                       clock-names = "core_clk", "phy_clk", "ref_clk";
+                       dma-coherent;
+               };
+       };
+
        main_r5fss0: r5fss@5c00000 {
                compatible = "ti,j721s2-r5fss";
                ti,cluster-mode = <1>;