linux-kernel - [PATCH 3/5] arm64: dts: imx8mm: Move usdhc clocks assignment to board DT

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Date:   Wed, 16 Oct 2019 10:14:25 +0800
From:   Anson Huang <Anson.Huang@....com>
To:     robh+dt@...nel.org, mark.rutland@....com, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        jun.li@....com, ping.bai@....com, daniel.baluta@....com,
        leonard.crestez@....com, daniel.lezcano@...aro.org,
        l.stach@...gutronix.de, ccaione@...libre.com, abel.vesa@....com,
        andrew.smirnov@...il.com, jon@...id-run.com, baruch@...s.co.il,
        angus@...ea.ca, pavel@....cz, agx@...xcpu.org,
        troy.kisky@...ndarydevices.com, gary.bisson@...ndarydevices.com,
        dafna.hirschfeld@...labora.com, richard.hu@...hnexion.com,
        andradanciu1997@...il.com, manivannan.sadhasivam@...aro.org,
        aisheng.dong@....com, peng.fan@....com, fugang.duan@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH 3/5] arm64: dts: imx8mm: Move usdhc clocks assignment to board DT

usdhc's clock rate is different according to different devices
connected, so clock rate assignment should be placed in board
DT according to different devices connected on each usdhc port.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 4 ++++
 arch/arm64/boot/dts/freescale/imx8mm.dtsi    | 4 ----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
index faefb71..ac91f6d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
@@ -293,6 +293,8 @@
 };
 
 &usdhc2 {
+	assigned-clocks = <&clk IMX8MM_CLK_USDHC2>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
 	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
@@ -304,6 +306,8 @@
 };
 
 &usdhc3 {
+	assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>;
+	assigned-clock-rates = <400000000>;
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc3>;
 	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 8aafad2..9258150 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -698,8 +698,6 @@
 					 <&clk IMX8MM_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MM_CLK_USDHC1_ROOT>;
 				clock-names = "ipg", "ahb", "per";
-				assigned-clocks = <&clk IMX8MM_CLK_USDHC1>;
-				assigned-clock-rates = <400000000>;
 				fsl,tuning-start-tap = <20>;
 				fsl,tuning-step= <2>;
 				bus-width = <4>;
@@ -728,8 +726,6 @@
 					 <&clk IMX8MM_CLK_NAND_USDHC_BUS>,
 					 <&clk IMX8MM_CLK_USDHC3_ROOT>;
 				clock-names = "ipg", "ahb", "per";
-				assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>;
-				assigned-clock-rates = <400000000>;
 				fsl,tuning-start-tap = <20>;
 				fsl,tuning-step= <2>;
 				bus-width = <4>;
-- 
2.7.4