linux-kernel - [PATCH 1/5] arm64: dts: imx8qxp: Move usdhc clocks assignment to board DT

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Date:   Wed, 16 Oct 2019 10:14:23 +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 1/5] arm64: dts: imx8qxp: 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/imx8qxp-ai_ml.dts | 4 ++++
 arch/arm64/boot/dts/freescale/imx8qxp-mek.dts   | 4 ++++
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi      | 6 ------
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts b/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts
index 91eef97..a3f8cf1 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts
@@ -133,6 +133,8 @@
 &usdhc1 {
 	#address-cells = <1>;
 	#size-cells = <0>;
+	assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc1>;
 	bus-width = <4>;
@@ -149,6 +151,8 @@
 
 /* SD */
 &usdhc2 {
+	assigned-clocks = <&clk IMX_CONN_SDHC1_CLK>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc2>;
 	bus-width = <4>;
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index 88dd9132..d3d26cc 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -137,6 +137,8 @@
 };
 
 &usdhc1 {
+	assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc1>;
 	bus-width = <8>;
@@ -147,6 +149,8 @@
 };
 
 &usdhc2 {
+	assigned-clocks = <&clk IMX_CONN_SDHC1_CLK>;
+	assigned-clock-rates = <200000000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc2>;
 	bus-width = <4>;
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 2d69f1a..9646a41 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -368,8 +368,6 @@
 				 <&conn_lpcg IMX_CONN_LPCG_SDHC0_PER_CLK>,
 				 <&conn_lpcg IMX_CONN_LPCG_SDHC0_HCLK>;
 			clock-names = "ipg", "per", "ahb";
-			assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>;
-			assigned-clock-rates = <200000000>;
 			power-domains = <&pd IMX_SC_R_SDHC_0>;
 			status = "disabled";
 		};
@@ -383,8 +381,6 @@
 				 <&conn_lpcg IMX_CONN_LPCG_SDHC1_PER_CLK>,
 				 <&conn_lpcg IMX_CONN_LPCG_SDHC1_HCLK>;
 			clock-names = "ipg", "per", "ahb";
-			assigned-clocks = <&clk IMX_CONN_SDHC1_CLK>;
-			assigned-clock-rates = <200000000>;
 			power-domains = <&pd IMX_SC_R_SDHC_1>;
 			fsl,tuning-start-tap = <20>;
 			fsl,tuning-step= <2>;
@@ -400,8 +396,6 @@
 				 <&conn_lpcg IMX_CONN_LPCG_SDHC2_PER_CLK>,
 				 <&conn_lpcg IMX_CONN_LPCG_SDHC2_HCLK>;
 			clock-names = "ipg", "per", "ahb";
-			assigned-clocks = <&clk IMX_CONN_SDHC2_CLK>;
-			assigned-clock-rates = <200000000>;
 			power-domains = <&pd IMX_SC_R_SDHC_2>;
 			status = "disabled";
 		};
-- 
2.7.4