| Message ID | 1484216786-17292-38-git-send-email-kishon@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
* Kishon Vijay Abraham I <kishon@ti.com> [170112 02:34]: > Add pcie1 dt node in order for the controller to operate in > endpoint mode. However since none of the dra7 based boards have > slots configured to operate in endpoint mode, keep EP mode > disabled. Can this be merged separately later on without breaking anything? Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Tony, On Saturday 21 January 2017 12:00 AM, Tony Lindgren wrote: > * Kishon Vijay Abraham I <kishon@ti.com> [170112 02:34]: >> Add pcie1 dt node in order for the controller to operate in >> endpoint mode. However since none of the dra7 based boards have >> slots configured to operate in endpoint mode, keep EP mode >> disabled. > > Can this be merged separately later on without breaking anything? yes, I'll resend this once rest of the EP support gets in. Thanks Kishon
diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts index 1540f7a..2ca2839 100644 --- a/arch/arm/boot/dts/am572x-idk.dts +++ b/arch/arm/boot/dts/am572x-idk.dts @@ -88,6 +88,11 @@ load-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>; }; -&pcie1 { +&pcie1_rc { + status = "okay"; + gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; +}; + +&pcie1_ep { gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>; }; diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi index 78bee26..079a7e1 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi +++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi @@ -556,7 +556,12 @@ }; }; -&pcie1 { +&pcie1_rc { + status = "ok"; + gpios = <&gpio2 8 GPIO_ACTIVE_LOW>; +}; + +&pcie1_ep { gpios = <&gpio2 8 GPIO_ACTIVE_LOW>; }; diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 132f2be..fd0aa3a 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -937,3 +937,7 @@ status = "okay"; }; }; + +&pcie1_rc { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index addb753..bf9c668 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -272,7 +272,11 @@ #address-cells = <1>; ranges = <0x51000000 0x51000000 0x3000 0x0 0x20000000 0x10000000>; - pcie1: pcie@51000000 { + /** + * To enable PCI endpoint mode, disable the pcie1_rc + * node and enable pcie1_ep mode. + */ + pcie1_rc: pcie@51000000 { compatible = "ti,dra7-pcie"; reg = <0x51000000 0x2000>, <0x51002000 0x14c>, <0x1000 0x2000>; reg-names = "rc_dbics", "ti_conf", "config"; @@ -293,12 +297,28 @@ <0 0 0 2 &pcie1_intc 2>, <0 0 0 3 &pcie1_intc 3>, <0 0 0 4 &pcie1_intc 4>; + status = "disabled"; pcie1_intc: interrupt-controller { interrupt-controller; #address-cells = <0>; #interrupt-cells = <1>; }; }; + + pcie1_ep: pcie_ep@51000000 { + compatible = "ti,dra7-pcie-ep"; + reg = <0x51000000 0x28>, <0x51002000 0x14c>, <0x51001000 0x28>, <0x1000 0x10000000>; + reg-names = "ep_dbics", "ti_conf", "ep_dbics2", "addr_space"; + interrupts = <0 232 0x4>; + num-lanes = <1>; + num-ib-windows = <4>; + num-ob-windows = <16>; + ti,hwmods = "pcie1"; + phys = <&pcie1_phy>; + phy-names = "pcie-phy0"; + syscon-legacy-mode = <&scm_conf1 0x14 2>; + status = "disabled"; + }; }; axi@1 { diff --git a/arch/arm/boot/dts/dra72-evm-common.dtsi b/arch/arm/boot/dts/dra72-evm-common.dtsi index e50fbee..5d9762c 100644 --- a/arch/arm/boot/dts/dra72-evm-common.dtsi +++ b/arch/arm/boot/dts/dra72-evm-common.dtsi @@ -545,3 +545,7 @@ status = "okay"; }; }; + +&pcie1_rc { + status = "okay"; +};
Add pcie1 dt node in order for the controller to operate in endpoint mode. However since none of the dra7 based boards have slots configured to operate in endpoint mode, keep EP mode disabled. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> --- arch/arm/boot/dts/am572x-idk.dts | 7 ++++++- arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi | 7 ++++++- arch/arm/boot/dts/dra7-evm.dts | 4 ++++ arch/arm/boot/dts/dra7.dtsi | 22 +++++++++++++++++++++- arch/arm/boot/dts/dra72-evm-common.dtsi | 4 ++++ 5 files changed, 41 insertions(+), 3 deletions(-)