PCI: hisi: Fix DT binding (hisi-pcie-almost-ecam)

The "hisilicon,pcie-almost-ecam" binding goes against the usual DT
conventions, and is non-sensical in that it describes the IP based on
what it isn't.  Fix the DT binding with "hisilicon,hip06-pcie-ecam"
and "hisilicon,hip07-pcie-ecam".

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
index b7fa3b97986d5fff391bf4ff1a01bdd25ce096e9..a339dbb154933282ee06aaeec0571e0d95a72b42 100644 (file)
--- a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@@ -44,13 +44,19 @@ Hip05 Example (note that Hip06 is the same except compatible):
        };
 
 HiSilicon Hip06/Hip07 PCIe host bridge DT (almost-ECAM) description.
+
+Some BIOSes place the host controller in a mode where it is ECAM
+compliant for all devices other than the root complex. In such cases,
+the host controller should be described as below.
+
 The properties and their meanings are identical to those described in
 host-generic-pci.txt except as listed below.
 
 Properties of the host controller node that differ from
 host-generic-pci.txt:
 
-- compatible     : Must be "hisilicon,pcie-almost-ecam"
+- compatible     : Must be "hisilicon,hip06-pcie-ecam", or
+                  "hisilicon,hip07-pcie-ecam"
 
 - reg            : Two entries: First the ECAM configuration space for any
                   other bus underneath the root bus. Second, the base
@@ -59,7 +65,7 @@ host-generic-pci.txt:
 
 Example:
        pcie0: pcie@a0090000 {
-               compatible = "hisilicon,pcie-almost-ecam";
+               compatible = "hisilicon,hip06-pcie-ecam";
                reg = <0 0xb0000000 0 0x2000000>,  /*  ECAM configuration space */
                      <0 0xa0090000 0 0x10000>; /* host bridge registers */
                bus-range = <0  31>;

diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c
index fd66a3199db77d41d08e0658d89611370d46446f..cf9d6a9d9fd4fc17afd19d0e659f5e7cff0a3ca8 100644 (file)
--- a/drivers/pci/dwc/pcie-hisi.c
+++ b/drivers/pci/dwc/pcie-hisi.c
@@ -380,9 +380,13 @@ struct pci_ecam_ops hisi_pcie_platform_ops = {
 
 static const struct of_device_id hisi_pcie_almost_ecam_of_match[] = {
        {
-               .compatible = "hisilicon,pcie-almost-ecam",
+               .compatible =  "hisilicon,hip06-pcie-ecam",
                .data       = (void *) &hisi_pcie_platform_ops,
        },
+       {
+               .compatible =  "hisilicon,hip07-pcie-ecam",
+               .data       = (void *) &hisi_pcie_platform_ops,
+       },
        {},
 };