Re: [PATCH v2 3/6] dt-bindings: PCI: ti,am65: Extend for use with PVU
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2024-08-27 06:38:00
Also in:
linux-devicetree, lkml
From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2024-08-27 06:38:00
Also in:
linux-devicetree, lkml
On Mon, Aug 26, 2024 at 11:50:04PM +0200, Jan Kiszka wrote:
From: Jan Kiszka <jan.kiszka@siemens.com> Describe also the VMAP registers which are needed in order to make use of the PVU with this PCI host. Furthermore, permit to specify a restricted DMA pool by phandle.
That's an ABI break without explanation why it is necessary.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> --- .../devicetree/bindings/pci/ti,am65-pci-host.yaml | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)diff --git a/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml index 0a9d10532cc8..72f78f21e1e8 100644 --- a/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/ti,am65-pci-host.yaml@@ -20,7 +20,7 @@ properties: - ti,keystone-pcie reg: - maxItems: 4 + maxItems: 6 reg-names: items:@@ -28,6 +28,8 @@ properties: - const: dbics - const: config - const: atu + - const: vmap_lp + - const: vmap_hp interrupts: maxItems: 1@@ -69,6 +71,9 @@ properties: items: pattern: '^pcie-phy[0-1]$' + memory-region: + description: phandle to restricted DMA pool to be used for all devices behind this controller
missing constraints, maxItems Best regards, Krzysztof