Change the "gpio_slave" and "apb_csr" to optional, the "gpio_slave" is not used in current code, and "apb_csr" is not used by some platforms. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> Acked-by: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx> Acked-by: Rob Herring <robh@xxxxxxxxxx> Reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx> --- V6: - Rebased the patch, no functional change. .../devicetree/bindings/pci/mobiveil-pcie.txt | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt b/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt index a618d47..6415699 100644 --- a/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt +++ b/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt @@ -10,8 +10,10 @@ Required properties: interrupt source. The value must be 1. - compatible: Should contain "mbvl,gpex40-pcie" - reg: Should contain PCIe registers location and length + Mandatory: "config_axi_slave": PCIe controller registers "csr_axi_slave" : Bridge config registers + Optional: "gpio_slave" : GPIO registers to control slot power "apb_csr" : MSI registers -- 1.7.1