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Date: Thu, 20 Jun 2019 12:55:25 +0200
From: Thierry Reding <thierry.reding@...il.com>
To: Vidya Sagar <vidyas@...dia.com>
Cc: lorenzo.pieralisi@....com, bhelgaas@...gle.com, robh+dt@...nel.org,
mark.rutland@....com, jonathanh@...dia.com, kishon@...com,
catalin.marinas@....com, will.deacon@....com, jingoohan1@...il.com,
gustavo.pimentel@...opsys.com, digetx@...il.com,
mperttunen@...dia.com, linux-pci@...r.kernel.org,
devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
kthota@...dia.com, mmaddireddy@...dia.com, sagar.tv@...il.com
Subject: Re: [PATCH V10 11/15] arm64: tegra: Add P2U and PCIe controller
nodes to Tegra194 DT
On Wed, Jun 12, 2019 at 03:23:35PM +0530, Vidya Sagar wrote:
> Add P2U (PIPE to UPHY) and PCIe controller nodes to device tree.
> The Tegra194 SoC contains six PCIe controllers and twenty P2U instances
> grouped into two different PHY bricks namely High-Speed IO (HSIO-12 P2Us)
> and NVIDIA High Speed (NVHS-8 P2Us) respectively.
>
> Signed-off-by: Vidya Sagar <vidyas@...dia.com>
> ---
> Changes since [v9]:
> * None
>
> Changes since [v8]:
> * None
>
> Changes since [v7]:
> * Replaced 'core_apb' with 'apb' in reset names
> * Used macros instead of hardcoded numbers in 'interrupt-map' property
> * Aligned 'ranges' entries
>
> Changes since [v6]:
> * Removed properties "nvidia,disable-aspm-states" & "nvidia,controller-id".
> * Modified property "nvidia,bpmp" to include controller-id as well.
>
> Changes since [v5]:
> * Changes 'p2u@...xxxxx' to 'phy@...xxxxx'
> * Arranged all PCIe nodes in the order of their addresses
>
> Changes since [v4]:
> * None
>
> Changes since [v3]:
> * None
>
> Changes since [v2]:
> * Included 'hsio' or 'nvhs' in P2U node's label names to reflect which brick
> they belong to
> * Removed leading zeros in unit address
>
> Changes since [v1]:
> * Flattened all P2U nodes by removing 'hsio-p2u' and 'nvhs-p2u' super nodes
> * Changed P2U nodes compatible string from 'nvidia,tegra194-phy-p2u' to 'nvidia,tegra194-p2u'
> * Changed reg-name from 'base' to 'ctl'
> * Updated all PCIe nodes according to the changes made to DT documentation file
>
> arch/arm64/boot/dts/nvidia/tegra194.dtsi | 437 +++++++++++++++++++++++
> 1 file changed, 437 insertions(+)
Applied to for-5.3/arm64/dt, thanks.
I did end up sorting the new nodes differently so that they are ordered
according to the general rules (sort by unit-address, then
alphabetically). That's slightly complicated by the fact that the PCI
controllers have registers that seem to be right in the middle of the
host1x aperture, so I had to bend the rules a little.
Thierry
> diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> index c77ca211fa8f..feba034f26f0 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
> @@ -884,6 +884,166 @@
> nvidia,interface = <3>;
> };
> };
> +
> + p2u_hsio_0: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e10000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_1: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e20000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_2: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e30000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_3: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e40000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_4: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e50000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_5: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e60000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_6: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e70000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_7: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e80000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_8: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03e90000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_9: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03ea0000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_0: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03eb0000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_1: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03ec0000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_2: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03ed0000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_3: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03ee0000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_4: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03ef0000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_5: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03f00000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_6: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03f10000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_nvhs_7: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03f20000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_10: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03f30000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> +
> + p2u_hsio_11: phy@...0000 {
> + compatible = "nvidia,tegra194-p2u";
> + reg = <0x03f40000 0x10000>;
> + reg-names = "ctl";
> +
> + #phy-cells = <0>;
> + };
> };
>
> sysram@...00000 {
> @@ -1054,4 +1214,281 @@
> (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
> interrupt-parent = <&gic>;
> };
> +
> + pcie@...00000 {
> + compatible = "nvidia,tegra194-pcie", "snps,dw-pcie";
> + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>;
> + reg = <0x00 0x14100000 0x0 0x00020000 /* appl registers (128K) */
> + 0x00 0x30000000 0x0 0x00040000 /* configuration space (256K) */
> + 0x00 0x30040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
> + 0x00 0x30080000 0x0 0x00040000>; /* DBI reg space (256K) */
> + reg-names = "appl", "config", "atu_dma", "dbi";
> +
> + status = "disabled";
> +
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + num-lanes = <1>;
> + num-viewport = <8>;
> + linux,pci-domain = <1>;
> +
> + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_1>;
> + clock-names = "core";
> +
> + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_1_APB>,
> + <&bpmp TEGRA194_RESET_PEX0_CORE_1>;
> + reset-names = "apb", "core";
> +
> + interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
> + <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
> + interrupt-names = "intr", "msi";
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
> +
> + nvidia,bpmp = <&bpmp 1>;
> +
> + supports-clkreq;
> + nvidia,aspm-cmrt-us = <60>;
> + nvidia,aspm-pwr-on-t-us = <20>;
> + nvidia,aspm-l0s-entrance-latency-us = <3>;
> +
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x30100000 0x0 0x30100000 0x0 0x00100000 /* downstream I/O (1MB) */
> + 0xc2000000 0x12 0x00000000 0x12 0x00000000 0x0 0x30000000 /* prefetchable memory (768MB) */
> + 0x82000000 0x0 0x40000000 0x12 0x30000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */
> + };
> +
> + pcie@...20000 {
> + compatible = "nvidia,tegra194-pcie", "snps,dw-pcie";
> + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>;
> + reg = <0x00 0x14120000 0x0 0x00020000 /* appl registers (128K) */
> + 0x00 0x32000000 0x0 0x00040000 /* configuration space (256K) */
> + 0x00 0x32040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
> + 0x00 0x32080000 0x0 0x00040000>; /* DBI reg space (256K) */
> + reg-names = "appl", "config", "atu_dma", "dbi";
> +
> + status = "disabled";
> +
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + num-lanes = <1>;
> + num-viewport = <8>;
> + linux,pci-domain = <2>;
> +
> + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_2>;
> + clock-names = "core";
> +
> + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_2_APB>,
> + <&bpmp TEGRA194_RESET_PEX0_CORE_2>;
> + reset-names = "apb", "core";
> +
> + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
> + <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
> + interrupt-names = "intr", "msi";
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
> +
> + nvidia,bpmp = <&bpmp 2>;
> +
> + supports-clkreq;
> + nvidia,aspm-cmrt-us = <60>;
> + nvidia,aspm-pwr-on-t-us = <20>;
> + nvidia,aspm-l0s-entrance-latency-us = <3>;
> +
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x32100000 0x0 0x32100000 0x0 0x00100000 /* downstream I/O (1MB) */
> + 0xc2000000 0x12 0x40000000 0x12 0x40000000 0x0 0x30000000 /* prefetchable memory (768MB) */
> + 0x82000000 0x0 0x40000000 0x12 0x70000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */
> + };
> +
> + pcie@...40000 {
> + compatible = "nvidia,tegra194-pcie", "snps,dw-pcie";
> + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX1A>;
> + reg = <0x00 0x14140000 0x0 0x00020000 /* appl registers (128K) */
> + 0x00 0x34000000 0x0 0x00040000 /* configuration space (256K) */
> + 0x00 0x34040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
> + 0x00 0x34080000 0x0 0x00040000>; /* DBI reg space (256K) */
> + reg-names = "appl", "config", "atu_dma", "dbi";
> +
> + status = "disabled";
> +
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + num-lanes = <1>;
> + num-viewport = <8>;
> + linux,pci-domain = <3>;
> +
> + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_3>;
> + clock-names = "core";
> +
> + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_3_APB>,
> + <&bpmp TEGRA194_RESET_PEX0_CORE_3>;
> + reset-names = "apb", "core";
> +
> + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
> + <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
> + interrupt-names = "intr", "msi";
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
> +
> + nvidia,bpmp = <&bpmp 3>;
> +
> + supports-clkreq;
> + nvidia,aspm-cmrt-us = <60>;
> + nvidia,aspm-pwr-on-t-us = <20>;
> + nvidia,aspm-l0s-entrance-latency-us = <3>;
> +
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x34100000 0x0 0x34100000 0x0 0x00100000 /* downstream I/O (1MB) */
> + 0xc2000000 0x12 0x80000000 0x12 0x80000000 0x0 0x30000000 /* prefetchable memory (768MB) */
> + 0x82000000 0x0 0x40000000 0x12 0xb0000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */
> + };
> +
> + pcie@...60000 {
> + compatible = "nvidia,tegra194-pcie", "snps,dw-pcie";
> + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>;
> + reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */
> + 0x00 0x36000000 0x0 0x00040000 /* configuration space (256K) */
> + 0x00 0x36040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
> + 0x00 0x36080000 0x0 0x00040000>; /* DBI reg space (256K) */
> + reg-names = "appl", "config", "atu_dma", "dbi";
> +
> + status = "disabled";
> +
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + num-lanes = <4>;
> + num-viewport = <8>;
> + linux,pci-domain = <4>;
> +
> + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_4>;
> + clock-names = "core";
> +
> + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_4_APB>,
> + <&bpmp TEGRA194_RESET_PEX0_CORE_4>;
> + reset-names = "apb", "core";
> +
> + interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
> + <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
> + interrupt-names = "intr", "msi";
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
> +
> + nvidia,bpmp = <&bpmp 4>;
> +
> + supports-clkreq;
> + nvidia,aspm-cmrt-us = <60>;
> + nvidia,aspm-pwr-on-t-us = <20>;
> + nvidia,aspm-l0s-entrance-latency-us = <3>;
> +
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x36100000 0x0 0x36100000 0x0 0x00100000 /* downstream I/O (1MB) */
> + 0xc2000000 0x14 0x00000000 0x14 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */
> + 0x82000000 0x0 0x40000000 0x17 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
> + };
> +
> + pcie@...80000 {
> + compatible = "nvidia,tegra194-pcie", "snps,dw-pcie";
> + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>;
> + reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */
> + 0x00 0x38000000 0x0 0x00040000 /* configuration space (256K) */
> + 0x00 0x38040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
> + 0x00 0x38080000 0x0 0x00040000>; /* DBI reg space (256K) */
> + reg-names = "appl", "config", "atu_dma", "dbi";
> +
> + status = "disabled";
> +
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + num-lanes = <8>;
> + num-viewport = <8>;
> + linux,pci-domain = <0>;
> +
> + clocks = <&bpmp TEGRA194_CLK_PEX0_CORE_0>;
> + clock-names = "core";
> +
> + resets = <&bpmp TEGRA194_RESET_PEX0_CORE_0_APB>,
> + <&bpmp TEGRA194_RESET_PEX0_CORE_0>;
> + reset-names = "apb", "core";
> +
> + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
> + <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
> + interrupt-names = "intr", "msi";
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
> +
> + nvidia,bpmp = <&bpmp 0>;
> +
> + supports-clkreq;
> + nvidia,aspm-cmrt-us = <60>;
> + nvidia,aspm-pwr-on-t-us = <20>;
> + nvidia,aspm-l0s-entrance-latency-us = <3>;
> +
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x38100000 0x0 0x38100000 0x0 0x00100000 /* downstream I/O (1MB) */
> + 0xc2000000 0x18 0x00000000 0x18 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */
> + 0x82000000 0x0 0x40000000 0x1b 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
> + };
> +
> + pcie@...a0000 {
> + compatible = "nvidia,tegra194-pcie", "snps,dw-pcie";
> + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>;
> + reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */
> + 0x00 0x3a000000 0x0 0x00040000 /* configuration space (256K) */
> + 0x00 0x3a040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
> + 0x00 0x3a080000 0x0 0x00040000>; /* DBI reg space (256K) */
> + reg-names = "appl", "config", "atu_dma", "dbi";
> +
> + status = "disabled";
> +
> + #address-cells = <3>;
> + #size-cells = <2>;
> + device_type = "pci";
> + num-lanes = <8>;
> + num-viewport = <8>;
> + linux,pci-domain = <5>;
> +
> + clocks = <&bpmp TEGRA194_CLK_PEX1_CORE_5>,
> + <&bpmp TEGRA194_CLK_PEX1_CORE_5M>;
> + clock-names = "core", "core_m";
> +
> + resets = <&bpmp TEGRA194_RESET_PEX1_CORE_5_APB>,
> + <&bpmp TEGRA194_RESET_PEX1_CORE_5>;
> + reset-names = "apb", "core";
> +
> + interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>, /* controller interrupt */
> + <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>; /* MSI interrupt */
> + interrupt-names = "intr", "msi";
> +
> + nvidia,bpmp = <&bpmp 5>;
> +
> + #interrupt-cells = <1>;
> + interrupt-map-mask = <0 0 0 0>;
> + interrupt-map = <0 0 0 0 &gic GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
> +
> + supports-clkreq;
> + nvidia,aspm-cmrt-us = <60>;
> + nvidia,aspm-pwr-on-t-us = <20>;
> + nvidia,aspm-l0s-entrance-latency-us = <3>;
> +
> + bus-range = <0x0 0xff>;
> + ranges = <0x81000000 0x0 0x3a100000 0x0 0x3a100000 0x0 0x00100000 /* downstream I/O (1MB) */
> + 0xc2000000 0x1c 0x00000000 0x1c 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */
> + 0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */
> + };
> };
> --
> 2.17.1
>
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