ARM: BCM5301X: add NAND flash chip description

This adds the NAND flash chip description for a standard chip found
connected to this SoC. This makes use of generic Broadcom NAND driver
with the iProc interface.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

diff --git a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
index 71cff8d..112a5a8 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "asus,rt-ac56u", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
index 8b62836..3600f56 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
+++ b/arch/arm/boot/dts/bcm4708-asus-rt-ac68u.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "asus,rt-ac68u", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
index 78e95c0..24f0ab5 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
index 946c728..f039393 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "luxul,xwc-1000", "brcm,bcm4708";
@@ -23,12 +24,8 @@
                reg = <0x00000000 0x08000000>;
        };
 
-       axi@18000000 {
-               nand@28000 {
-                       reg = <0x00028000 0x1000>;
-                       #address-cells = <1>;
-                       #size-cells = <1>;
-
+       nand: nand@18028000 {
+               nandcs@0 {
                        partition@0 {
                                label = "ubi";
                                reg = <0x00000000 0x08000000>;

diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
index 2ed9e57..326ce8f 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "netgear,r6250v1", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
index 3991042..3a94606 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "netgear,r6300v2", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
index 66dfb53..d6a033b 100644 (file)
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "smartrg,sr400ac", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
index 0ee85ea..71b98cf 100644 (file)
--- a/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
+++ b/arch/arm/boot/dts/bcm47081-asus-rt-n18u.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "asus,rt-n18u", "brcm,bcm47081", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
index db9131e..bb0cb0b 100644 (file)
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "buffalo,wzr-600dhp2", "brcm,bcm47081", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
index 7d6868a..184fd92 100644 (file)
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-900dhp.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm47081.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
index 548e93b..2a92e8d 100644 (file)
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "buffalo,wxr-1900dhp", "brcm,bcm4709", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
index ea26dd3..446c586 100644 (file)
--- a/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
+++ b/arch/arm/boot/dts/bcm4709-netgear-r8000.dts
@@ -10,6 +10,7 @@
 /dts-v1/;
 
 #include "bcm4708.dtsi"
+#include "bcm5301x-nand-cs0-bch8.dtsi"
 
 / {
        compatible = "netgear,r8000", "brcm,bcm4709", "brcm,bcm4708";

diff --git a/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
new file mode 100644 (file)
index 0000000..d10781e
--- /dev/null
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
@@ -0,0 +1,24 @@
+/*
+ * Broadcom BCM470X / BCM5301X Nand chip defaults.
+ *
+ * This should be included if the NAND controller is on chip select 0
+ * and uses 8 bit ECC.
+ *
+ * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+/ {
+       nand@18028000 {
+               nandcs@0 {
+                       compatible = "brcm,nandcs";
+                       reg = <0>;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       nand-ecc-strength = <8>;
+                       nand-ecc-step-size = <512>;
+               };
+       };
+};

diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index 78aec62..a97f631 100644 (file)
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -143,4 +143,16 @@
                        #gpio-cells = <2>;
                };
        };
+
+       nand: nand@18028000 {
+               compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1", "brcm,brcmnand";
+               reg = <0x18028000 0x600>, <0x1811a408 0x600>, <0x18028f00 0x20>;
+               reg-names = "nand", "iproc-idm", "iproc-ext";
+               interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               brcm,nand-has-wp;
+       };
 };