Add SERDES0 and its wrapper description to support USB3
and SGMII interfaces.
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-j722s.dtsi | 54 ++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j722s.dtsi b/arch/arm64/boot/dts/ti/k3-j722s.dtsi
index c75744edb143..beba5a3ea6cc 100644
--- a/arch/arm64/boot/dts/ti/k3-j722s.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j722s.dtsi
@@ -9,6 +9,7 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/soc/ti,sci_pm_domain.h>
+#include <dt-bindings/phy/phy-ti.h>
#include "k3-am62p5.dtsi"
@@ -75,6 +76,50 @@
<0x00 0x78000000 0x00 0x78000000 0x00 0x00008000>,
<0x00 0x78100000 0x00 0x78100000 0x00 0x00008000>;
};
+
+ serdes_refclk: clock-cmnrefclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <0>;
+ };
+
+ serdes_wiz0: wiz@f000000 {
+ compatible = "ti,am64-wiz-10g";
+ ranges = <0x0f000000 0x0 0x0f000000 0x00010000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ power-domains = <&k3_pds 279 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 279 0>, <&k3_clks 279 1>, <&serdes_refclk>;
+ clock-names = "fck", "core_ref_clk", "ext_ref_clk";
+ num-lanes = <1>;
+ #reset-cells = <1>;
+ #clock-cells = <1>;
+
+ assigned-clocks = <&k3_clks 279 1>;
+ assigned-clock-parents = <&k3_clks 279 5>;
+
+ serdes0: serdes@f000000 {
+ compatible = "ti,j721e-serdes-10g";
+ reg = <0x0f000000 0x00010000>;
+ reg-names = "torrent_phy";
+ resets = <&serdes_wiz0 0>;
+ reset-names = "torrent_reset";
+ clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>,
+ <&serdes_wiz0 TI_WIZ_PHY_EN_REFCLK>;
+ clock-names = "refclk", "phy_en_refclk";
+ assigned-clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>,
+ <&serdes_wiz0 TI_WIZ_PLL1_REFCLK>,
+ <&serdes_wiz0 TI_WIZ_REFCLK_DIG>;
+ assigned-clock-parents = <&k3_clks 279 1>,
+ <&k3_clks 279 1>,
+ <&k3_clks 279 1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #clock-cells = <1>;
+
+ status = "disabled"; /* Needs lane config */
+ };
+ };
};
/* Main domain overrides */
@@ -83,6 +128,15 @@
ti,interrupt-ranges = <7 71 21>;
};
+&main_conf {
+ serdes0_ln_ctrl: mux-controller@4080 {
+ compatible = "reg-mux";
+ reg = <0x4080 0x4>;
+ #mux-control-cells = <1>;
+ mux-reg-masks = <0x0 0x3>; /* SERDES0 lane0 select */
+ };
+};
+
&oc_sram {
reg = <0x00 0x70000000 0x00 0x40000>;
ranges = <0x00 0x00 0x70000000 0x40000>;
--
2.17.1
