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Merge branch 'pci/rockchip'

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- Make 'ep-gpios' DT property optional (Chen-Yu Tsai)

- Add FriendlyARM NanoPi M4B to rockchip DT binding (Chen-Yu Tsai)

* pci/rockchip:
  dt-bindings: arm: rockchip: Add FriendlyARM NanoPi M4B
  PCI: rockchip: Make 'ep-gpios' DT property optional
This commit is contained in:
Bjorn Helgaas 2021-02-24 14:59:24 -06:00
commit ce96d1d7b8
2 changed files with 7 additions and 6 deletions
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1
Documentation/devicetree/bindings/arm/rockchip.yaml
View File

@ -132,6 +132,7 @@ properties:
- enum:
- friendlyarm,nanopc-t4
- friendlyarm,nanopi-m4
- friendlyarm,nanopi-m4b
- friendlyarm,nanopi-neo4
- const: rockchip,rk3399

12
drivers/pci/controller/pcie-rockchip.c
View File

@ -82,7 +82,7 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
}
rockchip->mgmt_sticky_rst = devm_reset_control_get_exclusive(dev,
"mgmt-sticky");
"mgmt-sticky");
if (IS_ERR(rockchip->mgmt_sticky_rst)) {
if (PTR_ERR(rockchip->mgmt_sticky_rst) != -EPROBE_DEFER)
dev_err(dev, "missing mgmt-sticky reset property in node\n");
@ -118,11 +118,11 @@ int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
}
if (rockchip->is_rc) {
rockchip->ep_gpio = devm_gpiod_get(dev, "ep", GPIOD_OUT_HIGH);
if (IS_ERR(rockchip->ep_gpio)) {
dev_err(dev, "missing ep-gpios property in node\n");
return PTR_ERR(rockchip->ep_gpio);
}
rockchip->ep_gpio = devm_gpiod_get_optional(dev, "ep",
GPIOD_OUT_HIGH);
if (IS_ERR(rockchip->ep_gpio))
return dev_err_probe(dev, PTR_ERR(rockchip->ep_gpio),
"failed to get ep GPIO\n");
}
rockchip->aclk_pcie = devm_clk_get(dev, "aclk");