dts: vt8500: Add devicetree support for WM8750 SoC and APC8750 board

This patch adds support for the WonderMedia WM8750 SoC and the VIA
APC8750 board.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>

3 files changed, 361 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b9f7121e6ecf..ecdd51dc9c0f 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -205,6 +205,7 @@ dtb-$(CONFIG_ARCH_VIRT) += xenvm-4.2.dtb
 dtb-$(CONFIG_ARCH_VT8500) += vt8500-bv07.dtb \
         wm8505-ref.dtb \
         wm8650-mid.dtb \
+        wm8750-apc8750.dtb \
         wm8850-w70v2.dtb
 dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb
 
diff --git a/arch/arm/boot/dts/wm8750-apc8750.dts b/arch/arm/boot/dts/wm8750-apc8750.dts
new file mode 100644
index 000000000000..62675eba9666
--- /dev/null
+++ b/arch/arm/boot/dts/wm8750-apc8750.dts
@@ -0,0 +1,26 @@
+/*
+ * wm8750-apc8750.dts
+ *  - Device tree file for VIA APC8750
+ *
+ * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
+ *
+ * Licensed under GPLv2 or later
+ */
+
+/dts-v1/;
+/include/ "wm8750.dtsi"
+
+/ {
+        model = "VIA APC8750";
+};
+
+&pinctrl {
+        pinctrl-names = "default";
+        pinctrl-0 = <&i2c>;
+
+        i2c: i2c {
+                wm,pins = <168 169 170 171>;
+                wm,function = <2>;      /* alt */
+                wm,pull = <2>;  /* pull-up */
+        };
+};
diff --git a/arch/arm/boot/dts/wm8750.dtsi b/arch/arm/boot/dts/wm8750.dtsi
new file mode 100644
index 000000000000..462de589a2fe
--- /dev/null
+++ b/arch/arm/boot/dts/wm8750.dtsi
@@ -0,0 +1,334 @@
+/*
+ * wm8750.dtsi - Device tree file for Wondermedia WM8750 SoC
+ *
+ * Copyright (C) 2012 Tony Prisk <linux@prisktech.co.nz>
+ *
+ * Licensed under GPLv2 or later
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+        compatible = "wm,wm8750";
+
+        cpus {
+                #address-cells = <0>;
+                #size-cells = <0>;
+
+                cpu {
+                        device_type = "cpu";
+                        compatible = "arm,arm1176ej-s";
+                };
+        };
+
+        aliases {
+                serial0 = &uart0;
+                serial1 = &uart1;
+                serial2 = &uart2;
+                serial3 = &uart3;
+                serial4 = &uart4;
+                serial5 = &uart5;
+                i2c0 = &i2c_0;
+                i2c1 = &i2c_1;
+        };
+
+        soc {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                compatible = "simple-bus";
+                ranges;
+                interrupt-parent = <&intc0>;
+
+                intc0: interrupt-controller@d8140000 {
+                        compatible = "via,vt8500-intc";
+                        interrupt-controller;
+                        reg = <0xd8140000 0x10000>;
+                        #interrupt-cells = <1>;
+                };
+
+                /* Secondary IC cascaded to intc0 */
+                intc1: interrupt-controller@d8150000 {
+                        compatible = "via,vt8500-intc";
+                        interrupt-controller;
+                        #interrupt-cells = <1>;
+                        reg = <0xD8150000 0x10000>;
+                        interrupts = <56 57 58 59 60 61 62 63>;
+                };
+
+                pinctrl: pinctrl@d8110000 {
+                        compatible = "wm,wm8750-pinctrl";
+                        reg = <0xd8110000 0x10000>;
+                        interrupt-controller;
+                        #interrupt-cells = <2>;
+                        gpio-controller;
+                        #gpio-cells = <2>;
+                };
+
+                pmc@d8130000 {
+                        compatible = "via,vt8500-pmc";
+                        reg = <0xd8130000 0x1000>;
+
+                        clocks {
+                                #address-cells = <1>;
+                                #size-cells = <0>;
+
+                                ref24: ref24M {
+                                        #clock-cells = <0>;
+                                        compatible = "fixed-clock";
+                                        clock-frequency = <24000000>;
+                                };
+
+                                ref25: ref25M {
+                                        #clock-cells = <0>;
+                                        compatible = "fixed-clock";
+                                        clock-frequency = <25000000>;
+                                };
+
+                                plla: plla {
+                                        #clock-cells = <0>;
+                                        compatible = "wm,wm8750-pll-clock";
+                                        clocks = <&ref25>;
+                                        reg = <0x200>;
+                                };
+
+                                pllb: pllb {
+                                        #clock-cells = <0>;
+                                        compatible = "wm,wm8750-pll-clock";
+                                        clocks = <&ref25>;
+                                        reg = <0x204>;
+                                };
+
+                                pllc: pllc {
+                                        #clock-cells = <0>;
+                                        compatible = "wm,wm8750-pll-clock";
+                                        clocks = <&ref25>;
+                                        reg = <0x208>;
+                                };
+
+                                plld: plld {
+                                        #clock-cells = <0>;
+                                        compatible = "wm,wm8750-pll-clock";
+                                        clocks = <&ref25>;
+                                        reg = <0x20C>;
+                                };
+
+                                plle: plle {
+                                        #clock-cells = <0>;
+                                        compatible = "wm,wm8750-pll-clock";
+                                        clocks = <&ref25>;
+                                        reg = <0x210>;
+                                };
+
+                                clkarm: arm {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&plla>;
+                                        divisor-reg = <0x300>;
+                                };
+
+                                clkahb: ahb {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&pllb>;
+                                        divisor-reg = <0x304>;
+                                };
+
+                                clkddr: ddr {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&plld>;
+                                        divisor-reg = <0x310>;
+                                };
+
+                                clkuart0: uart0 {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&ref24>;
+                                        enable-reg = <0x254>;
+                                        enable-bit = <24>;
+                                };
+
+                                clkuart1: uart1 {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&ref24>;
+                                        enable-reg = <0x254>;
+                                        enable-bit = <25>;
+                                };
+
+                                clkuart2: uart2 {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&ref24>;
+                                        enable-reg = <0x254>;
+                                        enable-bit = <26>;
+                                };
+
+                                clkuart3: uart3 {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&ref24>;
+                                        enable-reg = <0x254>;
+                                        enable-bit = <27>;
+                                };
+
+                                clkuart4: uart4 {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&ref24>;
+                                        enable-reg = <0x254>;
+                                        enable-bit = <28>;
+                                };
+
+                                clkuart5: uart5 {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&ref24>;
+                                        enable-reg = <0x254>;
+                                        enable-bit = <29>;
+                                };
+
+                                clkpwm: pwm {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&pllb>;
+                                        divisor-reg = <0x350>;
+                                        enable-reg = <0x250>;
+                                        enable-bit = <17>;
+                                };
+
+                                clksdhc: sdhc {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&pllb>;
+                                        divisor-reg = <0x330>;
+                                        divisor-mask = <0x3f>;
+                                        enable-reg = <0x250>;
+                                        enable-bit = <0>;
+                                };
+
+                                clki2c0: i2c0clk {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&pllb>;
+                                        divisor-reg = <0x3A0>;
+                                        enable-reg = <0x250>;
+                                        enable-bit = <8>;
+                                };
+
+                                clki2c1: i2c1clk {
+                                        #clock-cells = <0>;
+                                        compatible = "via,vt8500-device-clock";
+                                        clocks = <&pllb>;
+                                        divisor-reg = <0x3A4>;
+                                        enable-reg = <0x250>;
+                                        enable-bit = <9>;
+                                };
+                        };
+                };
+
+                pwm: pwm@d8220000 {
+                        #pwm-cells = <3>;
+                        compatible = "via,vt8500-pwm";
+                        reg = <0xd8220000 0x100>;
+                        clocks = <&clkpwm>;
+                };
+
+                timer@d8130100 {
+                        compatible = "via,vt8500-timer";
+                        reg = <0xd8130100 0x28>;
+                        interrupts = <36>;
+                };
+
+                ehci@d8007900 {
+                        compatible = "via,vt8500-ehci";
+                        reg = <0xd8007900 0x200>;
+                        interrupts = <26>;
+                };
+
+                uhci@d8007b00 {
+                        compatible = "platform-uhci";
+                        reg = <0xd8007b00 0x200>;
+                        interrupts = <26>;
+                };
+
+                uhci@d8008d00 {
+                        compatible = "platform-uhci";
+                        reg = <0xd8008d00 0x200>;
+                        interrupts = <26>;
+                };
+
+                uart0: uart@d8200000 {
+                        compatible = "via,vt8500-uart";
+                        reg = <0xd8200000 0x1040>;
+                        interrupts = <32>;
+                        clocks = <&clkuart0>;
+                };
+
+                uart1: uart@d82b0000 {
+                        compatible = "via,vt8500-uart";
+                        reg = <0xd82b0000 0x1040>;
+                        interrupts = <33>;
+                        clocks = <&clkuart1>;
+                };
+
+                uart2: uart@d8210000 {
+                        compatible = "via,vt8500-uart";
+                        reg = <0xd8210000 0x1040>;
+                        interrupts = <47>;
+                        clocks = <&clkuart2>;
+                };
+
+                uart3: uart@d82c0000 {
+                        compatible = "via,vt8500-uart";
+                        reg = <0xd82c0000 0x1040>;
+                        interrupts = <50>;
+                        clocks = <&clkuart3>;
+                };
+
+                uart4: uart@d8370000 {
+                        compatible = "via,vt8500-uart";
+                        reg = <0xd8370000 0x1040>;
+                        interrupts = <30>;
+                        clocks = <&clkuart4>;
+                };
+
+                uart5: uart@d8380000 {
+                        compatible = "via,vt8500-uart";
+                        reg = <0xd8380000 0x1040>;
+                        interrupts = <43>;
+                        clocks = <&clkuart5>;
+                };
+
+                rtc@d8100000 {
+                        compatible = "via,vt8500-rtc";
+                        reg = <0xd8100000 0x10000>;
+                        interrupts = <48>;
+                };
+
+                sdhc@d800a000 {
+                        compatible = "wm,wm8505-sdhc";
+                        reg = <0xd800a000 0x1000>;
+                        interrupts = <20 21>;
+                        clocks = <&clksdhc>;
+                        bus-width = <4>;
+                        sdon-inverted;
+                };
+
+                i2c_0: i2c@d8280000 {
+                        compatible = "wm,wm8505-i2c";
+                        reg = <0xd8280000 0x1000>;
+                        interrupts = <19>;
+                        clocks = <&clki2c0>;
+                        clock-frequency = <400000>;
+                };
+
+                i2c_1: i2c@d8320000 {
+                        compatible = "wm,wm8505-i2c";
+                        reg = <0xd8320000 0x1000>;
+                        interrupts = <18>;
+                        clocks = <&clki2c1>;
+                        clock-frequency = <400000>;
+                };
+        };
+};