commit a0be3c32b15675e9f9dc0d3dc4e0361c019b93d8 upstream.

Enable PCIe Controller and set PCIe bus clock frequency.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
Reviewed-by: Chris Paterson <Chris.Paterson2@...>
Link: https://lore.kernel.org/r/20200825162718.5838-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@...>
[PL: Manually applied changes]
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...>
---
arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index 428c494d88a3..858d206514e0 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -134,6 +134,18 @@
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";
--
2.17.1