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dt-bindings: PCI: mobiveil: Change gpio_slave and apb_csr to optional

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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@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
This commit is contained in:
Hou Zhiqiang 2019-07-05 17:56:40 +08:00 committed by Lorenzo Pieralisi
parent cbd50b3ca3
commit 93bad0f5d1
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/pci/mobiveil-pcie.txt
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@ -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