MIPS: BMIPS: Add device tree example for BCM3368

This adds a device tree example for Netgear CVG834G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Cc: f.fainelli@gmail.com
Cc: jogo@openwrt.org
Cc: cernekee@gmail.com
Cc: robh@kernel.org
Cc: simon@fire.lp0.eu
Cc: john@phrozen.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/13843/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/bmips/Kconfig b/arch/mips/bmips/Kconfig
index 6a0946c..f499fd2 100644 (file)
--- a/arch/mips/bmips/Kconfig
+++ b/arch/mips/bmips/Kconfig
@@ -65,6 +65,10 @@ config DT_COMTREND_VR3032U
        bool "Comtrend VR-3032u"
        select BUILTIN_DTB
 
+config DT_NETGEAR_CVG834G
+       bool "NETGEAR CVG834G"
+       select BUILTIN_DTB
+
 config DT_SFR_NEUFBOX4_SERCOMM
        bool "SFR Neufbox 4 (Sercomm)"
        select BUILTIN_DTB

diff --git a/arch/mips/boot/dts/brcm/Makefile b/arch/mips/boot/dts/brcm/Makefile
index 8281ec6..a698e84 100644 (file)
--- a/arch/mips/boot/dts/brcm/Makefile
+++ b/arch/mips/boot/dts/brcm/Makefile
@@ -11,9 +11,11 @@ dtb-$(CONFIG_DT_BCM97420C)           += bcm97420c.dtb
 dtb-$(CONFIG_DT_BCM97425SVMB)          += bcm97425svmb.dtb
 dtb-$(CONFIG_DT_BCM97435SVMB)          += bcm97435svmb.dtb
 dtb-$(CONFIG_DT_COMTREND_VR3032U)      += bcm63268-comtrend-vr-3032u.dtb
+dtb-$(CONFIG_DT_NETGEAR_CVG834G)       += bcm3368-netgear-cvg834g.dtb
 dtb-$(CONFIG_DT_SFR_NEUFBOX4_SERCOMM)  += bcm6358-neufbox4-sercomm.dtb
 
 dtb-$(CONFIG_DT_NONE) += \
+       bcm3368-netgear-cvg834g.dtb \
        bcm6358-neufbox4-sercomm.dtb \
        bcm63268-comtrend-vr-3032u.dtb \
        bcm93384wvg.dtb \

diff --git a/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts b/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
new file mode 100644 (file)
index 0000000..2f2e80f
--- /dev/null
+++ b/arch/mips/boot/dts/brcm/bcm3368-netgear-cvg834g.dts
@@ -0,0 +1,22 @@
+/dts-v1/;
+
+/include/ "bcm3368.dtsi"
+
+/ {
+       compatible = "netgear,cvg834g", "brcm,bcm3368";
+       model = "NETGEAR CVG834G";
+
+       memory@0 {
+               device_type = "memory";
+               reg = <0x00000000 0x02000000>;
+       };
+
+       chosen {
+               bootargs = "console=ttyS0,115200";
+               stdout-path = &uart0;
+       };
+};
+
+&uart0 {
+       status = "okay";
+};

diff --git a/arch/mips/boot/dts/brcm/bcm3368.dtsi b/arch/mips/boot/dts/brcm/bcm3368.dtsi
new file mode 100644 (file)
index 0000000..bee855c
--- /dev/null
+++ b/arch/mips/boot/dts/brcm/bcm3368.dtsi
@@ -0,0 +1,101 @@
+/ {
+       #address-cells = <1>;
+       #size-cells = <1>;
+       compatible = "brcm,bcm3368";
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               mips-hpt-frequency = <150000000>;
+
+               cpu@0 {
+                       compatible = "brcm,bmips4350";
+                       device_type = "cpu";
+                       reg = <0>;
+               };
+
+               cpu@1 {
+                       compatible = "brcm,bmips4350";
+                       device_type = "cpu";
+                       reg = <1>;
+               };
+       };
+
+       clocks {
+               periph_clk: periph-clk {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <50000000>;
+               };
+       };
+
+       aliases {
+               serial0 = &uart0;
+               serial1 = &uart1;
+       };
+
+       cpu_intc: interrupt-controller {
+               #address-cells = <0>;
+               compatible = "mti,cpu-interrupt-controller";
+
+               interrupt-controller;
+               #interrupt-cells = <1>;
+       };
+
+       ubus {
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               compatible = "simple-bus";
+               ranges;
+
+               periph_cntl: syscon@fff8c000 {
+                       compatible = "syscon";
+                       reg = <0xfff8c000 0xc>;
+                       native-endian;
+               };
+
+               reboot: syscon-reboot@fff8c008 {
+                       compatible = "syscon-reboot";
+                       regmap = <&periph_cntl>;
+                       offset = <0x8>;
+                       mask = <0x1>;
+               };
+
+               periph_intc: interrupt-controller@fff8c00c {
+                       compatible = "brcm,bcm6345-l1-intc";
+                       reg = <0xfff8c00c 0x8>;
+
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+
+                       interrupt-parent = <&cpu_intc>;
+                       interrupts = <2>;
+               };
+
+               uart0: serial@fff8c100 {
+                       compatible = "brcm,bcm6345-uart";
+                       reg = <0xfff8c100 0x18>;
+
+                       interrupt-parent = <&periph_intc>;
+                       interrupts = <2>;
+
+                       clocks = <&periph_clk>;
+
+                       status = "disabled";
+               };
+
+               uart1: serial@fff8c120 {
+                       compatible = "brcm,bcm6345-uart";
+                       reg = <0xfff8c120 0x18>;
+
+                       interrupt-parent = <&periph_intc>;
+                       interrupts = <3>;
+
+                       clocks = <&periph_clk>;
+
+                       status = "disabled";
+               };
+       };
+};