ARM64: dts: marvell: armada-cp110: Fix clock resources for various node
authorGregory CLEMENT <gregory.clement@free-electrons.com>
Tue, 25 Jul 2017 14:51:20 +0000 (16:51 +0200)
committerGregory CLEMENT <gregory.clement@free-electrons.com>
Fri, 5 Jan 2018 15:54:40 +0000 (16:54 +0100)
On the CP modules we found on Armada 7K/8K, many IP block actually also
need a "functional" clock (from the bus). This patch add them which allows
to fix some issues hanging the kernel:

If Ethernet and sdhci driver are built as modules and sdhci was loaded
first then the kernel hang.

Fixes: bb16ea1742c8 ("mmc: sdhci-xenon: Fix clock resource by adding an
optional bus clock")
Cc: stable@vger.kernel.org
Reported-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi

index e3b64d0..9c7724e 100644 (file)
                        cpm_ethernet: ethernet@0 {
                                compatible = "marvell,armada-7k-pp22";
                                reg = <0x0 0x100000>, <0x129000 0xb000>;
-                               clocks = <&cpm_clk 1 3>, <&cpm_clk 1 9>, <&cpm_clk 1 5>;
-                               clock-names = "pp_clk", "gop_clk", "mg_clk";
+                               clocks = <&cpm_clk 1 3>, <&cpm_clk 1 9>,
+                                        <&cpm_clk 1 5>, <&cpm_clk 1 18>;
+                               clock-names = "pp_clk", "gop_clk",
+                                             "mg_clk","axi_clk";
                                marvell,system-controller = <&cpm_syscon0>;
                                status = "disabled";
                                dma-coherent;
                                #size-cells = <0>;
                                compatible = "marvell,orion-mdio";
                                reg = <0x12a200 0x10>;
-                               clocks = <&cpm_clk 1 9>, <&cpm_clk 1 5>;
+                               clocks = <&cpm_clk 1 9>, <&cpm_clk 1 5>,
+                                        <&cpm_clk 1 6>, <&cpm_clk 1 18>;
                                status = "disabled";
                        };
 
                                compatible = "marvell,armada-cp110-sdhci";
                                reg = <0x780000 0x300>;
                                interrupts = <ICU_GRP_NSR 27 IRQ_TYPE_LEVEL_HIGH>;
-                               clock-names = "core";
-                               clocks = <&cpm_clk 1 4>;
+                               clock-names = "core","axi";
+                               clocks = <&cpm_clk 1 4>, <&cpm_clk 1 18>;
                                dma-coherent;
                                status = "disabled";
                        };
index 0d51096..87ac68b 100644 (file)
                        cps_ethernet: ethernet@0 {
                                compatible = "marvell,armada-7k-pp22";
                                reg = <0x0 0x100000>, <0x129000 0xb000>;
-                               clocks = <&cps_clk 1 3>, <&cps_clk 1 9>, <&cps_clk 1 5>;
-                               clock-names = "pp_clk", "gop_clk", "mg_clk";
+                               clocks = <&cps_clk 1 3>, <&cps_clk 1 9>,
+                                        <&cps_clk 1 5>, <&cps_clk 1 18>;
+                               clock-names = "pp_clk", "gop_clk",
+                                             "mg_clk", "axi_clk";
                                marvell,system-controller = <&cps_syscon0>;
                                status = "disabled";
                                dma-coherent;
                                #size-cells = <0>;
                                compatible = "marvell,orion-mdio";
                                reg = <0x12a200 0x10>;
-                               clocks = <&cps_clk 1 9>, <&cps_clk 1 5>;
+                               clocks = <&cps_clk 1 9>, <&cps_clk 1 5>,
+                                        <&cps_clk 1 6>, <&cps_clk 1 18>;
                                status = "disabled";
                        };