From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D100BC10F14 for ; Tue, 16 Apr 2019 17:48:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93C9721741 for ; Tue, 16 Apr 2019 17:48:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="U7x185+t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727647AbfDPRsT (ORCPT ); Tue, 16 Apr 2019 13:48:19 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:19865 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726860AbfDPRsS (ORCPT ); Tue, 16 Apr 2019 13:48:18 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 16 Apr 2019 10:47:55 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 16 Apr 2019 10:48:15 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 16 Apr 2019 10:48:15 -0700 Received: from [10.25.74.19] (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 16 Apr 2019 17:48:09 +0000 Subject: Re: [PATCH V2 12/16] arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT To: Thierry Reding CC: , , , , , , , , , , , , , , , , , , References: <1554407683-31580-1-git-send-email-vidyas@nvidia.com> <1554407683-31580-13-git-send-email-vidyas@nvidia.com> <20190415151552.GI29254@ulmo> X-Nvconfidentiality: public From: Vidya Sagar Message-ID: <223774ba-8416-82d6-6091-a64f0740d8af@nvidia.com> Date: Tue, 16 Apr 2019 23:18:05 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190415151552.GI29254@ulmo> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL104.nvidia.com (172.18.146.11) To HQMAIL101.nvidia.com (172.20.187.10) Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1555436875; bh=Pdqajbj99LbvWz0xV0nqki++zHOSXXWIMw0sVQKCmCY=; h=X-PGP-Universal:Subject:To:CC:References:X-Nvconfidentiality:From: Message-ID:Date:User-Agent:MIME-Version:In-Reply-To: X-Originating-IP:X-ClientProxiedBy:Content-Type:Content-Language: Content-Transfer-Encoding; b=U7x185+tTSdQnm9E1BYM56+c98EJD11csu8mUPO6krG10wQ4OTnOyWVEzNIQ5INQt PHURILv7lJ/W3wL5zIRDS7PTvZqn76+pw7mhy699uDetc01AANddWmZ64X7F2mybBO c5FwFjgD389aBNBGLa/jajskZPuj3KH9v+TiP9SRoyh55p4XirjHp1c7Ap2lD1wIXT ANUl9vhBLDNRSGtWiUHXfvdiz3dP5O663fOKhAS4uXa6S7+KWZBPwRjAe41jAobrZC 06sjOeX6z8eHbtM6j1m32XYFnfG5ZRDtKtKbk8lXKsaSmdHU33Wi/8+8AA04l4rx5/ Px17xM8wb/eXA== Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.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 >>