arm64: dts: marvell: add NAND support on the 8040-DB board

Add NAND support on the Armada-8040-DB by adding the same tree as for
the Armada-7040-DB by using the same compatible string
"marvell,armada-8k-nand".

Do not enable the NAND node as enabling it (and changing manually the
proper DPR-76 switch) would disable MDIO from CP1 (and thus disable CPS
Ethernet PHY).

Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

diff --git a/arch/arm64/boot/dts/marvell/armada-8040-db.dts b/arch/arm64/boot/dts/marvell/armada-8040-db.dts
index d97b72b..b1f6ccc 100644 (file)
--- a/arch/arm64/boot/dts/marvell/armada-8040-db.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-db.dts
@@ -268,6 +268,34 @@
        };
 };
 
+/*
+ * Proper NAND usage will require DPR-76 to be in position 1-2, which disables
+ * MDIO signal of CP1.
+ */
+&cps_nand {
+       num-cs = <1>;
+       pinctrl-0 = <&nand_pins>, <&nand_rb>;
+       pinctrl-names = "default";
+       nand-ecc-strength = <4>;
+       nand-ecc-step-size = <512>;
+       marvell,nand-enable-arbiter;
+       marvell,system-controller = <&cps_syscon0>;
+       nand-on-flash-bbt;
+
+       partition@0 {
+               label = "U-Boot";
+               reg = <0 0x200000>;
+       };
+       partition@200000 {
+               label = "Linux";
+               reg = <0x200000 0xe00000>;
+       };
+       partition@1000000 {
+               label = "Filesystem";
+               reg = <0x1000000 0x3f000000>;
+       };
+};
+
 /* CON4 on CP1 expansion */
 &cps_sata0 {
        status = "okay";

diff --git a/arch/arm64/boot/dts/marvell/armada-80x0.dtsi b/arch/arm64/boot/dts/marvell/armada-80x0.dtsi
index 666ebe9..b280ddd 100644 (file)
--- a/arch/arm64/boot/dts/marvell/armada-80x0.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-80x0.dtsi
@@ -72,5 +72,22 @@
 &cps_syscon0 {
        cps_pinctrl: pinctrl {
                compatible = "marvell,armada-8k-cps-pinctrl";
+
+               nand_pins: nand-pins {
+                       marvell,pins =
+                       "mpp0", "mpp1", "mpp2", "mpp3",
+                       "mpp4", "mpp5", "mpp6", "mpp7",
+                       "mpp8", "mpp9", "mpp10", "mpp11",
+                       "mpp15", "mpp16", "mpp17", "mpp18",
+                       "mpp19", "mpp20", "mpp21", "mpp22",
+                       "mpp23", "mpp24", "mpp25", "mpp26",
+                       "mpp27";
+                       marvell,function = "dev";
+               };
+
+               nand_rb: nand-rb {
+                       marvell,pins = "mpp13", "mpp12";
+                       marvell,function = "nf";
+               };
        };
 };

diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
index 0d51096..cb1fb49 100644 (file)
--- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
@@ -317,12 +317,13 @@
                                 * for A7K and on the CPS for A8K.
                                 */
                                compatible = "marvell,armada370-nand",
-                                            "marvell,armada370-nand";
+                                            "marvell,armada-8k-nand";
                                reg = <0x720000 0x54>;
                                #address-cells = <1>;
                                #size-cells = <1>;
                                interrupts = <ICU_GRP_NSR 115 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&cps_clk 1 2>;
+                               marvell,system-controller = <&cpm_syscon0>;
                                status = "disabled";
                        };