[PATCH 0/3] arch: dts: specify the MDC frequency on Layerscape DPAA2 devices

[PATCH 0/3] arch: dts: specify the MDC frequency on Layerscape DPAA2 devices

[Ioana Ciornei]

Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.

This patch set adds the needed properties on all DPAA2 based SoCs.

Ioana Ciornei (3):
  arm64: dts: lx2160a: specify clock frequencies for the MDIO
    controllers
  arm64: dts: ls1088a: specify clock frequencies for the MDIO
    controllers
  arm64: dts: ls208xa: specify clock frequencies for the MDIO
    controllers

 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 6 ++++++
 arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 ++++++
 arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 6 ++++++
 3 files changed, 18 insertions(+)

-- 
2.25.1

[PATCH 1/3] arm64: dts: lx2160a: specify clock frequencies for the MDIO controllers

[Ioana Ciornei]

Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.

Fixes: 6e1b8fae892d ("arm64: dts: lx2160a: add emdio1 node")
Fixes: 5705b9dcda57 ("arm64: dts: lx2160a: add emdio2 node")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index 6680fb2a6dc9..8c76d86cb756 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -1385,6 +1385,9 @@ emdio1: mdio@8b96000 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			little-endian;
+			clock-frequency = <2500000>;
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(2)>;
 			status = "disabled";
 		};
 
@@ -1395,6 +1398,9 @@ emdio2: mdio@8b97000 {
 			little-endian;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			clock-frequency = <2500000>;
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(2)>;
 			status = "disabled";
 		};
 
-- 
2.25.1

[PATCH 2/3] arm64: dts: ls1088a: specify clock frequencies for the MDIO controllers

[Ioana Ciornei]

Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.

Fixes: bbe75af7b092 ("arm64: dts: ls1088a: add external MDIO device nodes")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index 421d879013d7..260d045dbd9a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -779,6 +779,9 @@ emdio1: mdio@8b96000 {
 			little-endian;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			clock-frequency = <2500000>;
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(1)>;
 			status = "disabled";
 		};
 
@@ -788,6 +791,9 @@ emdio2: mdio@8b97000 {
 			little-endian;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			clock-frequency = <2500000>;
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(1)>;
 			status = "disabled";
 		};
 
-- 
2.25.1

[PATCH 3/3] arm64: dts: ls208xa: specify clock frequencies for the MDIO controllers

[Ioana Ciornei]

Up until now, the external MDIO controller frequency values relied
either on the default ones out of reset or on those setup by u-boot.
Let's just properly specify the MDC frequency in the DTS so that even
without u-boot's intervention Linux can drive the MDIO bus.

Fixes: 0420dde30a90 ("arm64: dts: ls208xa: add the external MDIO nodes")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
index f1b9cc8714dc..348d9e3a9125 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
@@ -532,6 +532,9 @@ emdio1: mdio@8b96000 {
 			little-endian;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			clock-frequency = <2500000>;
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(2)>;
 			status = "disabled";
 		};
 
@@ -541,6 +544,9 @@ emdio2: mdio@8b97000 {
 			little-endian;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			clock-frequency = <2500000>;
+			clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL
+					    QORIQ_CLK_PLL_DIV(2)>;
 			status = "disabled";
 		};
 
-- 
2.25.1

Re: [PATCH 0/3] arch: dts: specify the MDC frequency on Layerscape DPAA2 devices

[Shawn Guo]

On Tue, Oct 25, 2022 at 05:41:14PM +0300, Ioana Ciornei wrote:
> Up until now, the external MDIO controller frequency values relied
> either on the default ones out of reset or on those setup by u-boot.
> Let's just properly specify the MDC frequency in the DTS so that even
> without u-boot's intervention Linux can drive the MDIO bus.
> 
> This patch set adds the needed properties on all DPAA2 based SoCs.
> 
> Ioana Ciornei (3):
>   arm64: dts: lx2160a: specify clock frequencies for the MDIO
>     controllers
>   arm64: dts: ls1088a: specify clock frequencies for the MDIO
>     controllers
>   arm64: dts: ls208xa: specify clock frequencies for the MDIO
>     controllers

Applied all, thanks!