Thread (36 messages) 36 messages, 6 authors, 2021-12-06

[RFC 16/19] arm64: dts: imx8mq: Add interconnect properties to icc consumer nodes

flat view
STALE1783d

From: Abel Vesa <hidden>
Date: 2021-09-13 17:39:37
Also in: linux-devicetree, linux-pm, linux-serial, lkml
Subsystem: arm/freescale imx / mxc / layerscape arm architecture, the rest · Maintainers: Frank Li, Sascha Hauer, Linus Torvalds

We add all the properties necessary to control the interconnect
based on the required rates all the way from consumers to the dram.
The fsl,icc-rate specifies the minimum required rate the consumer needs
in order to operate.
For now, only the fec, usdhc1 and usdhc2 are added as consumers.

Signed-off-by: Abel Vesa <redacted>
---
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 5a73ebda6bb3..0489f7416993 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1215,6 +1215,9 @@ usdhc1: mmc@30b40000 {
 				             "fsl,imx7d-usdhc";
 				reg = <0x30b40000 0x10000>;
 				interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+				interconnects = <&icc IMX8MQ_ICM_USDHC1 &icc IMX8MQ_ICS_DRAM>;
+				interconnect-names = "path";
+				fsl,icc-rate = <266666>;
 				clocks = <&clk IMX8MQ_CLK_IPG_ROOT>,
 				         <&clk IMX8MQ_CLK_NAND_USDHC_BUS>,
 				         <&clk IMX8MQ_CLK_USDHC1_ROOT>;
@@ -1230,6 +1233,9 @@ usdhc2: mmc@30b50000 {
 				             "fsl,imx7d-usdhc";
 				reg = <0x30b50000 0x10000>;
 				interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+				interconnects = <&icc IMX8MQ_ICM_USDHC2 &icc IMX8MQ_ICS_DRAM>;
+				interconnect-names = "path";
+				fsl,icc-rate = <266666>;
 				clocks = <&clk IMX8MQ_CLK_IPG_ROOT>,
 				         <&clk IMX8MQ_CLK_NAND_USDHC_BUS>,
 				         <&clk IMX8MQ_CLK_USDHC2_ROOT>;
@@ -1272,6 +1278,9 @@ fec1: ethernet@30be0000 {
 				             <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
 					     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+				interconnects = <&icc IMX8MQ_ICM_ENET &icc IMX8MQ_ICS_DRAM>;
+				interconnect-names = "path";
+				fsl,icc-rate = <800000>;
 				clocks = <&clk IMX8MQ_CLK_ENET1_ROOT>,
 				         <&clk IMX8MQ_CLK_ENET1_ROOT>,
 				         <&clk IMX8MQ_CLK_ENET_TIMER>,
-- 
2.31.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help