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charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 4/15/2019 8:45 PM, Thierry Reding wrote: > On Fri, Apr 05, 2019 at 01:24:39AM +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 >> --- >> 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 | 449 +++++++++++++++++++++++++++++++ >> 1 file changed, 449 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi >> index c77ca211fa8f..5b62136d97a5 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_0: p2u@03e10000 { /* HSIO-Lane-0 */ >> + compatible = "nvidia,tegra194-p2u"; >> + reg = <0x03e10000 0x10000>; >> + reg-names = "ctl"; >> + >> + #phy-cells = <0>; >> + }; >> + > [...] >> + p2u_12: p2u@03eb0000 { /* NVHS-Lane-0 */ >> + compatible = "nvidia,tegra194-p2u"; >> + reg = <0x03eb0000 0x10000>; >> + reg-names = "ctl"; >> + >> + #phy-cells = <0>; >> + }; > [...] > > Do we perhaps want to include the type of P2U in the label? That would > make it more obvious which ones to list in the PCIe controller nodes' > phys properties. Something like: > > p2u_hsio_0: p2u@3e10000 { > ... > }; > > ... > > p2u_nvhs_0: p2u@3eb0000 { > ... > }; > > ? Also, make sure to drop the leading 0 from unit-addresses. Recent > versions of DTC have checks for that in place and will warn about it in > recent Linux builds. Done. > > [...] >> @@ -1054,4 +1214,293 @@ >> (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; >> interrupt-parent = <&gic>; >> }; >> + >> + pcie@14180000 { >> + 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 = "core_apb", "core"; >> + >> + interrupts = , /* controller interrupt */ >> + ; /* MSI interrupt */ >> + interrupt-names = "intr", "msi"; >> + >> + #interrupt-cells = <1>; >> + interrupt-map-mask = <0 0 0 0>; >> + interrupt-map = <0 0 0 0 &gic 0 72 0x04>; >> + >> + nvidia,bpmp = <&bpmp>; >> + >> + supports-clkreq; >> + nvidia,disable-aspm-states = <0xf>; >> + nvidia,controller-id = <0>; >> + nvidia,aspm-cmrt-us = <60>; >> + nvidia,aspm-pwr-on-t-us = <20>; >> + nvidia,aspm-l0s-entrance-latency-us = <3>; > > Didn't you remove some of these from the bindings? I've removed some but what we see here are still present in bindings. > > Thierry > >> + >> + 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@14100000 { >> + 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 = "core_apb", "core"; >> + >> + interrupts = , /* controller interrupt */ >> + ; /* MSI interrupt */ >> + interrupt-names = "intr", "msi"; >> + >> + #interrupt-cells = <1>; >> + interrupt-map-mask = <0 0 0 0>; >> + interrupt-map = <0 0 0 0 &gic 0 45 0x04>; >> + >> + nvidia,bpmp = <&bpmp>; >> + >> + supports-clkreq; >> + nvidia,disable-aspm-states = <0xf>; >> + nvidia,controller-id = <1>; >> + 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@14120000 { >> + 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 = "core_apb", "core"; >> + >> + interrupts = , /* controller interrupt */ >> + ; /* MSI interrupt */ >> + interrupt-names = "intr", "msi"; >> + >> + #interrupt-cells = <1>; >> + interrupt-map-mask = <0 0 0 0>; >> + interrupt-map = <0 0 0 0 &gic 0 47 0x04>; >> + >> + nvidia,bpmp = <&bpmp>; >> + >> + supports-clkreq; >> + nvidia,disable-aspm-states = <0xf>; >> + nvidia,controller-id = <2>; >> + 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@14140000 { >> + 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 = "core_apb", "core"; >> + >> + interrupts = , /* controller interrupt */ >> + ; /* MSI interrupt */ >> + interrupt-names = "intr", "msi"; >> + >> + #interrupt-cells = <1>; >> + interrupt-map-mask = <0 0 0 0>; >> + interrupt-map = <0 0 0 0 &gic 0 49 0x04>; >> + >> + nvidia,bpmp = <&bpmp>; >> + >> + supports-clkreq; >> + nvidia,disable-aspm-states = <0xf>; >> + nvidia,controller-id = <3>; >> + 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@14160000 { >> + 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 = "core_apb", "core"; >> + >> + interrupts = , /* controller interrupt */ >> + ; /* MSI interrupt */ >> + interrupt-names = "intr", "msi"; >> + >> + #interrupt-cells = <1>; >> + interrupt-map-mask = <0 0 0 0>; >> + interrupt-map = <0 0 0 0 &gic 0 51 0x04>; >> + >> + nvidia,bpmp = <&bpmp>; >> + >> + supports-clkreq; >> + nvidia,disable-aspm-states = <0xf>; >> + nvidia,controller-id = <4>; >> + 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@141a0000 { >> + 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 = "core_apb", "core"; >> + >> + interrupts = , /* controller interrupt */ >> + ; /* MSI interrupt */ >> + interrupt-names = "intr", "msi"; >> + >> + nvidia,bpmp = <&bpmp>; >> + >> + #interrupt-cells = <1>; >> + interrupt-map-mask = <0 0 0 0>; >> + interrupt-map = <0 0 0 0 &gic 0 53 0x04>; >> + >> + supports-clkreq; >> + nvidia,disable-aspm-states = <0xf>; >> + nvidia,controller-id = <5>; >> + 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) */ >> + }; >> }; >> -- >> 2.7.4 >> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel