[PATCH 3/4] arm64: dts: ls1028a: fix FlexSPI clock

Michael Walle
2020-11-01T19:21:07Z

Now that we have a proper driver for the FlexSPI interface use it. This
will fix SCK frequency switching on Layerscape SoCs.

This was tested on the Kontron sl28 board.

Signed-off-by: Michael Walle <michael@walle.cc>
---
arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index f223396b8266..ee88bf60f9a9 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -197,9 +197,20 @@
};

dcfg: syscon@1e00000 {
- compatible = "fsl,ls1028a-dcfg", "syscon";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,ls1028a-dcfg", "syscon", "simple-mfd";
reg = <0x0 0x1e00000 0x0 0x10000>;
+ ranges = <0x0 0x0 0x1e00000 0x10000>;
little-endian;
+
+ fspi_clk: clock-controller@900 {
+ compatible = "fsl,ls1028a-flexspi-clk";
+ reg = <0x900 0x4>;
+ #clock-cells = <0>;
+ clocks = <&clockgen 4 0>;
+ clock-output-names = "fspi_clk";
+ };
};

rst: syscon@1e60000 {
@@ -309,7 +320,7 @@
<0x0 0x20000000 0x0 0x10000000>;
reg-names = "fspi_base", "fspi_mmap";
interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clockgen 4 3>, <&clockgen 4 3>;
+ clocks = <&clockgen 4 3>, <&fspi_clk>;
clock-names = "fspi_en", "fspi";
status = "disabled";
};
--
2.20.1