arm64: dts: ls1028a: fix FlexSPI clock

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>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 401badb..045739d 100644 (file)
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -206,9 +206,20 @@
                };
 
                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 QORIQ_CLK_HWACCEL 0>;
+                               clock-output-names = "fspi_clk";
+                       };
                };
 
                rst: syscon@1e60000 {
@@ -326,8 +337,7 @@
                              <0x0 0x20000000 0x0 0x10000000>;
                        reg-names = "fspi_base", "fspi_mmap";
                        interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
-                       clocks = <&clockgen QORIQ_CLK_HWACCEL 0>,
-                                <&clockgen QORIQ_CLK_HWACCEL 0>;
+                       clocks = <&fspi_clk>, <&fspi_clk>;
                        clock-names = "fspi_en", "fspi";
                        status = "disabled";
                };