Re: [PATCH 2/3] arm64: dts: ti: k3-j721e-main.dtsi: Add DSS node

Tero Kristo
2020-04-27T10:09:53Z

On 22/04/2020 12:15, Tomi Valkeinen wrote:
> Add DSS node for J721E SoC.

Subject should drop .dtsi, I can fix that locally though. Got a question
below.

>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 57 +++++++++++++++++++++++
> 1 file changed, 57 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> index 0b9d14b838a1..21c362042ecf 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> @@ -736,6 +736,63 @@
> };
> };
>
> + dss: dss@04a00000 {
> + compatible = "ti,j721e-dss";
> + reg =
> + <0x00 0x04a00000 0x00 0x10000>, /* common_m */
> + <0x00 0x04a10000 0x00 0x10000>, /* common_s0*/
> + <0x00 0x04b00000 0x00 0x10000>, /* common_s1*/
> + <0x00 0x04b10000 0x00 0x10000>, /* common_s2*/
> +
> + <0x00 0x04a20000 0x00 0x10000>, /* vidl1 */
> + <0x00 0x04a30000 0x00 0x10000>, /* vidl2 */
> + <0x00 0x04a50000 0x00 0x10000>, /* vid1 */
> + <0x00 0x04a60000 0x00 0x10000>, /* vid2 */
> +
> + <0x00 0x04a70000 0x00 0x10000>, /* ovr1 */
> + <0x00 0x04a90000 0x00 0x10000>, /* ovr2 */
> + <0x00 0x04ab0000 0x00 0x10000>, /* ovr3 */
> + <0x00 0x04ad0000 0x00 0x10000>, /* ovr4 */
> +
> + <0x00 0x04a80000 0x00 0x10000>, /* vp1 */
> + <0x00 0x04aa0000 0x00 0x10000>, /* vp2 */
> + <0x00 0x04ac0000 0x00 0x10000>, /* vp3 */
> + <0x00 0x04ae0000 0x00 0x10000>, /* vp4 */
> + <0x00 0x04af0000 0x00 0x10000>; /* wb */
> +
> + reg-names = "common_m", "common_s0",
> + "common_s1", "common_s2",
> + "vidl1", "vidl2","vid1","vid2",
> + "ovr1", "ovr2", "ovr3", "ovr4",
> + "vp1", "vp2", "vp3", "vp4",
> + "wb";
> +
> + clocks = <&k3_clks 152 0>,
> + <&k3_clks 152 1>,
> + <&k3_clks 152 4>,
> + <&k3_clks 152 9>,
> + <&k3_clks 152 13>;
> + clock-names = "fck", "vp1", "vp2", "vp3", "vp4";
> +
> + power-domains = <&k3_pds 152 TI_SCI_PD_EXCLUSIVE>;
> +
> + interrupts = <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "common_m",
> + "common_s0",
> + "common_s1",
> + "common_s2";
> +
> + status = "disabled";

Again, why disabled by default?

-Tero

> +
> + dss_ports: ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + };
> +
> mcasp0: mcasp@2b00000 {
> compatible = "ti,am33xx-mcasp-audio";
> reg = <0x0 0x02b00000 0x0 0x2000>,
>

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