Re: [PATCH v3 2/5] arm64: dts: ti: k3-am64-main: Add PCIe DT node
From: Nishanth Menon <nm@ti.com>
Date: 2021-05-26 18:51:39
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On 19:59-20210526, Kishon Vijay Abraham I wrote:
quoted hunk ↗ jump to hunk
AM64 has one PCIe instance which can be configured in either host mode (RC) or device mode (EP). Add PCIe DT node for host mode and device mode here. Signed-off-by: Kishon Vijay Abraham I <redacted> --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 46 ++++++++++++++++++++++++ 1 file changed, 46 insertions(+)diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi index a67f10406a8e..9c77f7da5d28 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi@@ -728,4 +728,50 @@ #clock-cells = <1>; }; }; + + pcie0_rc: pcie@f102000 { + compatible = "ti,am64-pcie-host", "ti,j721e-pcie-host"; + reg = <0x00 0x0f102000 0x00 0x1000>, + <0x00 0x0f100000 0x00 0x400>, + <0x00 0x0d000000 0x00 0x00800000>, + <0x00 0x68000000 0x00 0x00001000>; + reg-names = "intd_cfg", "user_cfg", "reg", "cfg";
[...]
+
+ pcie0_ep: pcie-ep@f102000 {Hmm... Warning (unique_unit_address): /bus@f4000/pcie@f102000: duplicate unit-address (also used in node /bus@f4000/pcie-ep@f102000) we could pick reg for pcie-ep for node address, instead of intd_cfg address? OR, does that mess something else up?
+ compatible = "ti,am64-pcie-ep", "ti,j721e-pcie-ep"; + reg = <0x00 0x0f102000 0x00 0x1000>, + <0x00 0x0f100000 0x00 0x400>, + <0x00 0x0d000000 0x00 0x00800000>, + <0x00 0x68000000 0x00 0x08000000>;
[...] -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel