Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Michael Walle <michael@walle.cc>
To:     linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Cc:     Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>, Li Yang <leoyang.li@nxp.com>,
        Michael Walle <michael@walle.cc>
Subject: [PATCH v2 4/5] arm64: dts: ls1028a: fix FlexSPI clock
Date:   Thu,  5 Nov 2020 20:35:11 +0100
Message-Id: <20201105193512.22388-5-michael@walle.cc>
In-Reply-To: <20201105193512.22388-1-michael@walle.cc>
References: <20201105193512.22388-1-michael@walle.cc>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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>
---
Changes since v1:
 - none

 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 ef413bae44cb..4c8b20e6312b 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -204,9 +204,20 @@
 		};
 
 		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 {
@@ -316,7 +327,7 @@
 			      <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