Re: [PATCH v3 1/4] arm64: dts: ti: k3-j7200: add DMA support

From: Suman Anna
Date: Fri Sep 18 2020 - 13:00:27 EST


Hi Grygorii,

On 9/18/20 10:38 AM, Grygorii Strashko wrote:
> From: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
>
> Add the intr, inta, ringacc and udmap nodes for main and mcu NAVSS.

Need to update the changelog, intr and inta are not part of this revised series.

>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
> Tested-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 36 +++++++++++++++
> .../boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 44 +++++++++++++++++++
> 2 files changed, 80 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> index 3df49577b06a..c5015df58cd4 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
> @@ -93,6 +93,42 @@
> interrupt-names = "rx_011";
> interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> };
> +
> + main_ringacc: ringacc@3c000000 {
> + compatible = "ti,am654-navss-ringacc";
> + reg = <0x0 0x3c000000 0x0 0x400000>,
> + <0x0 0x38000000 0x0 0x400000>,
> + <0x0 0x31120000 0x0 0x100>,
> + <0x0 0x33000000 0x0 0x40000>;
> + reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
> + ti,num-rings = <1024>;
> + ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
> + ti,sci = <&dmsc>;
> + ti,sci-dev-id = <211>;
> + msi-parent = <&main_udmass_inta>;
> + };
> +
> + main_udmap: dma-controller@31150000 {
> + compatible = "ti,j721e-navss-main-udmap";
> + reg = <0x0 0x31150000 0x0 0x100>,
> + <0x0 0x34000000 0x0 0x100000>,
> + <0x0 0x35000000 0x0 0x100000>;
> + reg-names = "gcfg", "rchanrt", "tchanrt";
> + msi-parent = <&main_udmass_inta>;
> + #dma-cells = <1>;
> +
> + ti,sci = <&dmsc>;
> + ti,sci-dev-id = <212>;
> + ti,ringacc = <&main_ringacc>;
> +
> + ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
> + <0x0f>, /* TX_HCHAN */
> + <0x10>; /* TX_UHCHAN */
> + ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
> + <0x0b>, /* RX_HCHAN */
> + <0x0c>; /* RX_UHCHAN */
> + ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
> + };
> };
>
> main_pmx0: pinctrl@11c000 {
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> index ec2745e0768e..7ecdfdb46436 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
> @@ -92,4 +92,48 @@
> ti,sci-dev-id = <137>;
> ti,interrupt-ranges = <16 960 16>;
> };
> +
> + cbass_mcu_navss: navss@28380000 {
> + compatible = "simple-mfd";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> + dma-coherent;
> + dma-ranges;
> + ti,sci-dev-id = <232>;
> +
> + mcu_ringacc: ringacc@2b800000 {
> + compatible = "ti,am654-navss-ringacc";
> + reg = <0x0 0x2b800000 0x0 0x400000>,
> + <0x0 0x2b000000 0x0 0x400000>,
> + <0x0 0x28590000 0x0 0x100>,
> + <0x0 0x2a500000 0x0 0x40000>;

Please use style consistent with existing dts nodes, not a fan of mismatched
usage. We are using 0x00 for the higher 32-bit addresses and sizes. Comment
applies to all the nodes and all patches in the series.

regards
Suman

> + reg-names = "rt", "fifos", "proxy_gcfg", "proxy_target";
> + ti,num-rings = <286>;
> + ti,sci-rm-range-gp-rings = <0x1>; /* GP ring range */
> + ti,sci = <&dmsc>;
> + ti,sci-dev-id = <235>;
> + msi-parent = <&main_udmass_inta>;
> + };
> +
> + mcu_udmap: dma-controller@285c0000 {
> + compatible = "ti,j721e-navss-mcu-udmap";
> + reg = <0x0 0x285c0000 0x0 0x100>,
> + <0x0 0x2a800000 0x0 0x40000>,
> + <0x0 0x2aa00000 0x0 0x40000>;
> + reg-names = "gcfg", "rchanrt", "tchanrt";
> + msi-parent = <&main_udmass_inta>;
> + #dma-cells = <1>;
> +
> + ti,sci = <&dmsc>;
> + ti,sci-dev-id = <236>;
> + ti,ringacc = <&mcu_ringacc>;
> +
> + ti,sci-rm-range-tchan = <0x0d>, /* TX_CHAN */
> + <0x0f>; /* TX_HCHAN */
> + ti,sci-rm-range-rchan = <0x0a>, /* RX_CHAN */
> + <0x0b>; /* RX_HCHAN */
> + ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
> + };
> + };
> };
>