2022-08-10 10:30:32

by Matt Ranostay

Subject: [PATCH RESEND 1/6] arm64: dts: ti: k3-j721s2-main: Add support for USB

From: Aswath Govindraju <[email protected]>

Add support for single instance of USB 3.0 controller in J721S2 SoC.

Cc: Vignesh Raghavendra <[email protected]>
Cc: Nishanth Menon <[email protected]>
Acked-by: Matt Ranostay <[email protected]>
Signed-off-by: Aswath Govindraju <[email protected]>
---
arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 34e7d577ae13..f7e359da8690 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -26,6 +26,20 @@ l3cache-sram@200000 {
};
};

+ scm_conf: scm-conf@104000 {
+ compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
+ reg = <0x00 0x00104000 0x00 0x18000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x00 0x00 0x00104000 0x18000>;
+
+ usb_serdes_mux: mux-controller@0 {
+ compatible = "mmio-mux";
+ #mux-control-cells = <1>;
+ mux-reg-masks = <0x0 0x8000000>; /* USB0 to SERDES0 lane 1/3 mux */
+ };
+ };
+
gic500: interrupt-controller@1800000 {
compatible = "arm,gic-v3";
#address-cells = <2>;
@@ -686,6 +700,34 @@ cpts@310d0000 {
};
};

+ usbss0: cdns-usb@4104000 {
+ compatible = "ti,j721e-usb";
+ reg = <0x00 0x04104000 0x00 0x100>;
+ clocks = <&k3_clks 360 16>, <&k3_clks 360 15>;
+ clock-names = "ref", "lpm";
+ assigned-clocks = <&k3_clks 360 16>; /* USB2_REFCLK */
+ assigned-clock-parents = <&k3_clks 360 17>;
+ power-domains = <&k3_pds 360 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ dma-coherent;
+
+ usb0: usb@6000000 {
+ compatible = "cdns,usb3";
+ reg = <0x00 0x06000000 0x00 0x10000>,
+ <0x00 0x06010000 0x00 0x10000>,
+ <0x00 0x06020000 0x00 0x10000>;
+ reg-names = "otg", "xhci", "dev";
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "host", "peripheral", "otg";
+ maximum-speed = "super-speed";
+ dr_mode = "otg";
+ };
+ };
+
main_mcan0: can@2701000 {
compatible = "bosch,m_can";
reg = <0x00 0x02701000 0x00 0x200>,
--
2.36.1

2022-09-01 09:36:23

by Vignesh Raghavendra

Subject: Re: [PATCH RESEND 1/6] arm64: dts: ti: k3-j721s2-main: Add support for USB

Hi Matt,

On 10/08/22 15:09, Matt Ranostay wrote:
> From: Aswath Govindraju <[email protected]>
>
> Add support for single instance of USB 3.0 controller in J721S2 SoC.
>
> Cc: Vignesh Raghavendra <[email protected]>
> Cc: Nishanth Menon <[email protected]>
> Acked-by: Matt Ranostay <[email protected]>
> Signed-off-by: Aswath Govindraju <[email protected]>
> ---
> arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 42 ++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> index 34e7d577ae13..f7e359da8690 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
> @@ -26,6 +26,20 @@ l3cache-sram@200000 {
> };
> };
>
> + scm_conf: scm-conf@104000 {

syscon@

> + compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
> + reg = <0x00 0x00104000 0x00 0x18000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x00 0x00 0x00104000 0x18000>;
> +
> + usb_serdes_mux: mux-controller@0 {

mux-controller-0

I see that the mux-controller@0 node gets renamed to mux-controller@1 in
2/6. Why not move both to 2/6?

> + compatible = "mmio-mux";
> + #mux-control-cells = <1>;
> + mux-reg-masks = <0x0 0x8000000>; /* USB0 to SERDES0 lane 1/3 mux */
> + };
> + };
> +
> gic500: interrupt-controller@1800000 {
> compatible = "arm,gic-v3";
> #address-cells = <2>;
> @@ -686,6 +700,34 @@ cpts@310d0000 {
> };
> };
>
> + usbss0: cdns-usb@4104000 {
> + compatible = "ti,j721e-usb";
> + reg = <0x00 0x04104000 0x00 0x100>;
> + clocks = <&k3_clks 360 16>, <&k3_clks 360 15>;
> + clock-names = "ref", "lpm";
> + assigned-clocks = <&k3_clks 360 16>; /* USB2_REFCLK */
> + assigned-clock-parents = <&k3_clks 360 17>;
> + power-domains = <&k3_pds 360 TI_SCI_PD_EXCLUSIVE>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> + dma-coherent;
> +
> + usb0: usb@6000000 {
> + compatible = "cdns,usb3";
> + reg = <0x00 0x06000000 0x00 0x10000>,
> + <0x00 0x06010000 0x00 0x10000>,
> + <0x00 0x06020000 0x00 0x10000>;
> + reg-names = "otg", "xhci", "dev";
> + interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "host", "peripheral", "otg";
> + maximum-speed = "super-speed";
> + dr_mode = "otg";
> + };
> + };
> +
> main_mcan0: can@2701000 {
> compatible = "bosch,m_can";
> reg = <0x00 0x02701000 0x00 0x200>,

--
Regards
Vignesh