ARM: dts: r8a7742-iwg21d-q7: Enable PCIe Controller

Enable PCIe Controller and set PCIe bus clock frequency.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200825162718.5838-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index b3461a61a4bf25e99213b2d73ed40f3fdecd851d..df85e516a3c0dce01c57016bc7d50269ea8d3a93 100644 (file)
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -159,6 +159,18 @@
        /* status = "okay"; */
 };
 
+&pcie_bus_clk {
+       clock-frequency = <100000000>;
+};
+
+&pciec {
+       /* SW2[6] determines which connector is activated
+        * ON = PCIe X4 (connector-J7)
+        * OFF = mini-PCIe (connector-J26)
+        */
+       status = "okay";
+};
+
 &pfc {
        avb_pins: avb {
                groups = "avb_mdio", "avb_gmii";