From patchwork Tue Feb 11 17:41:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tom Rini X-Patchwork-Id: 236164 List-Id: U-Boot discussion From: trini at konsulko.com (Tom Rini) Date: Tue, 11 Feb 2020 12:41:23 -0500 Subject: [PATCH] sandbox: Update PCI nodes in dts files Message-ID: <20200211174123.31881-1-trini@konsulko.com> The way the PCI nodes are written today causes a number of warnings if we stop disabling some of the warnings we pass to DTC. As these warnings aren't disabled in current Linux Kernel builds, we should aim to not disable them here either, so rewrite these slightly. Update the driver model doc as well. Cc: Simon Glass Signed-off-by: Tom Rini --- arch/sandbox/dts/sandbox.dts | 5 +++-- arch/sandbox/dts/sandbox.dtsi | 2 +- arch/sandbox/dts/sandbox64.dts | 5 +++-- arch/sandbox/dts/test.dts | 9 ++++++--- doc/driver-model/pci-info.rst | 10 +++++----- 5 files changed, 18 insertions(+), 13 deletions(-) diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts index 4dd82f6a32fd..2d7db0249ebe 100644 --- a/arch/sandbox/dts/sandbox.dts +++ b/arch/sandbox/dts/sandbox.dts @@ -10,7 +10,7 @@ aliases { i2c0 = &i2c_0; - pci0 = &pci; + pci0 = &pcic; rtc0 = &rtc_0; axi0 = &axi; spi0 = &spi; @@ -52,9 +52,10 @@ pinctrl-0 = <&pinctrl_i2c0>; }; - pci: pci-controller { + pcic: pci at 0 { compatible = "sandbox,pci"; device_type = "pci"; + bus-range = <0x00 0xff>; #address-cells = <3>; #size-cells = <2>; ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000 diff --git a/arch/sandbox/dts/sandbox.dtsi b/arch/sandbox/dts/sandbox.dtsi index 7bf144f53265..f7f3de784292 100644 --- a/arch/sandbox/dts/sandbox.dtsi +++ b/arch/sandbox/dts/sandbox.dtsi @@ -99,7 +99,7 @@ }; }; - pci-controller { + pci at 0 { pci at 1e,0 { compatible = "sandbox,pmc"; reg = <0xf000 0 0 0 0>; diff --git a/arch/sandbox/dts/sandbox64.dts b/arch/sandbox/dts/sandbox64.dts index 5c95cee9d7a9..97e33f110eef 100644 --- a/arch/sandbox/dts/sandbox64.dts +++ b/arch/sandbox/dts/sandbox64.dts @@ -10,7 +10,7 @@ aliases { i2c0 = &i2c_0; - pci0 = &pci; + pci0 = &pcic; rtc0 = &rtc_0; axi0 = &axi; spi0 = &spi; @@ -47,9 +47,10 @@ pinctrl-0 = <&pinctrl_i2c0>; }; - pci: pci-controller { + pcic: pci at 0 { compatible = "sandbox,pci"; device_type = "pci"; + bus-range = <0x00 0xff>; #address-cells = <3>; #size-cells = <2>; ranges = <0x02000000 0 0x10000000 0 0x10000000 0 0x2000 diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index c22844743143..4d3c42077858 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -463,9 +463,10 @@ compatible = "sandbox,pch"; }; - pci0: pci-controller0 { + pci0: pci at 0 { compatible = "sandbox,pci"; device_type = "pci"; + bus-range = <0x00 0xff>; #address-cells = <3>; #size-cells = <2>; ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000000 @@ -531,9 +532,10 @@ }; }; - pci1: pci-controller1 { + pci1: pci at 1 { compatible = "sandbox,pci"; device_type = "pci"; + bus-range = <0x00 0xff>; #address-cells = <3>; #size-cells = <2>; ranges = <0x02000000 0 0x30000000 0x30000000 0 0x2000 @@ -546,9 +548,10 @@ }; }; - pci2: pci-controller2 { + pci2: pci at 2 { compatible = "sandbox,pci"; device_type = "pci"; + bus-range = <0x00 0xff>; #address-cells = <3>; #size-cells = <2>; ranges = <0x02000000 0 0x50000000 0x50000000 0 0x2000 diff --git a/doc/driver-model/pci-info.rst b/doc/driver-model/pci-info.rst index 3c1b1adf077e..8b9faa106638 100644 --- a/doc/driver-model/pci-info.rst +++ b/doc/driver-model/pci-info.rst @@ -12,10 +12,10 @@ Bus number 0 will need to be requested first, and the alias in the device tree file will point to the correct device:: aliases { - pci0 = &pci; + pci0 = &pcic; }; - pci: pci-controller { + pcic: pci at 0 { compatible = "sandbox,pci"; ... }; @@ -138,7 +138,7 @@ be scanned as a PCI device, causing confusion. When this bus is scanned we will end up with something like this:: - `- * pci-controller @ 05c660c8, 0 + `- * pci at 0 @ 05c660c8, 0 `- pci at 1f,0 @ 05c661c8, 63488 `- emul at 1f,0 @ 05c662c8 @@ -152,7 +152,7 @@ host controller node for this functionality to work. .. code-block:: none - pci1: pci-controller1 { + pci1: pci at 1 { compatible = "sandbox,pci"; ... sandbox,dev-info = <0x08 0x00 0x1234 0x5678 @@ -166,6 +166,6 @@ fourth cells are PCI vendor ID and device ID respectively. When this bus is scanned we will end up with something like this:: - pci [ + ] pci_sandbo |-- pci-controller1 + pci [ + ] pci_sandbo |-- pci1 pci_emul [ ] sandbox_sw | |-- sandbox_swap_case_emul pci_emul [ ] sandbox_sw | `-- sandbox_swap_case_emul