On 6/4/2019 2:37 PM, Jon Hunter wrote:
On 06/05/2019 12:58, Sameer Pujar wrote:
Add DT nodes for following devices on Tegra186 and Tegra194
  * ACONNECT
  * ADMA
  * AGIC

Signed-off-by: Sameer Pujar <spu...@nvidia.com>
---
  arch/arm64/boot/dts/nvidia/tegra186.dtsi | 67 ++++++++++++++++++++++++++++++++
  arch/arm64/boot/dts/nvidia/tegra194.dtsi | 67 ++++++++++++++++++++++++++++++++
  2 files changed, 134 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi 
b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 6e2b6ce..2c432c9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1153,4 +1153,71 @@
                                (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
                interrupt-parent = <&gic>;
        };
+
+       aconnect@2a41000 {
+               compatible = "nvidia,tegra210-aconnect";
+               clocks = <&bpmp TEGRA186_CLK_APE>,
+                        <&bpmp TEGRA186_CLK_APB2APE>;
+               clock-names = "ape", "apb2ape";
+               power-domains = <&bpmp TEGRA186_POWER_DOMAIN_AUD>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
My recollection is that non-empty range is preferred from what Rob told
me in the past. See the Tegra210 binding.
I see at various places empty ranges property is used. From DT spec, it means
there is no translation in the address space between parent/child.

Also I looked at Tegra210 binding,
ranges = <0x702c0000 0x0 0x702c0000 0x00040000>;
Should it be encoded as a triplet(child addr, parent addr, length)?

+               status = "disabled";
+
+               dma@2930000 {
Although I did not do this for Tegra210, I think that the preferred
convention is 'dma-controller@xxxxxxxxx'.
done.
+                       compatible = "nvidia,tegra186-adma";
+                       reg = <0x0 0x02930000 0x0 0x50000>;
+                       interrupt-parent = <&agic>;
+                       interrupts =  <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH 0>;
+                       #dma-cells = <1>;
+                       clocks = <&bpmp TEGRA186_CLK_AHUB>;
+                       clock-names = "d_audio";
+                       status = "disabled";
+               };
+
+               agic: agic@2a41000 {
+                       compatible = "nvidia,tegra210-agic";
+                       #interrupt-cells = <4>;
Why 4? This does not match the binding document for the arm-gic.
will fix.
+                       interrupt-controller;
+                       reg = <0x0 0x02a41000 0x0 0x1000>,
+                             <0x0 0x02a42000 0x0 0x1000>;
I believe that the 2nd address range should have size 0x2000 for the CPU
interfaces.
done
+                       interrupts = <GIC_SPI 145 (GIC_CPU_MASK_SIMPLE(4) |
+                                       IRQ_TYPE_LEVEL_HIGH)>;
+                       clocks = <&bpmp TEGRA186_CLK_APE>;
+                       clock-names = "clk";
+                       status = "disabled";
+               };
+       };
  };
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi 
b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index c77ca21..dcab504 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1054,4 +1054,71 @@
                                (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
                interrupt-parent = <&gic>;
        };
+
+       aconnect@2a41000 {
+               compatible = "nvidia,tegra210-aconnect";
+               clocks = <&bpmp TEGRA194_CLK_APE>,
+                        <&bpmp TEGRA194_CLK_APB2APE>;
+               clock-names = "ape", "apb2ape";
+               power-domains = <&bpmp TEGRA194_POWER_DOMAIN_AUD>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
Same as above.

+               status = "disabled";
+
+               dma@2930000 {
Same as above.

+                       compatible = "nvidia,tegra186-adma";
+                       reg = <0x0 0x02930000 0x0 0x50000>;
+                       interrupt-parent = <&agic>;
+                       interrupts =  <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH 0>,
+                                     <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH 0>;
+                       #dma-cells = <1>;
+                       clocks = <&bpmp TEGRA194_CLK_AHUB>;
+                       clock-names = "d_audio";
+                       status = "disabled";
+               };
+
+               agic: agic@2a41000 {
+                       compatible = "nvidia,tegra210-agic";
+                       #interrupt-cells = <4>;
Same as above.

+                       interrupt-controller;
+                       reg = <0x0 0x02a41000 0x0 0x1000>,
+                             <0x0 0x02a42000 0x0 0x1000>;
Same as above.

+                       interrupts = <GIC_SPI 145 (GIC_CPU_MASK_SIMPLE(4) |
+                                       IRQ_TYPE_LEVEL_HIGH)>;
+                       clocks = <&bpmp TEGRA194_CLK_APE>;
+                       clock-names = "clk";
+                       status = "disabled";
+               };
+       };
  };

Cheers
Jon

Reply via email to