---

yaml
---
r: 355731
b: refs/heads/master
c: f8635ab
h: refs/heads/master
i:
  355729: 7c0578e
  355727: cfde457
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a352d85adbe8ed0c5c8c69e3ea0ee1833b3ee27e
+refs/heads/master: f8635abd38776a413d1e84c79353693b8ecf45c9

trunk/Documentation/devicetree/bindings/arm/ste-nomadik.txt

@@ -0,0 +1,19 @@
+ST-Ericsson Nomadik Device Tree Bindings
+
+For various board the "board" node may contain specific properties
+that pertain to this particular board, such as board-specific GPIOs.
+
+Boards with the Nomadik SoC include:
+
+S8815 "MiniKit" manufactured by Calao Systems:
+
+Required root node property:
+
+compatible="calaosystems,usb-s8815";
+
+Required node: usb-s8815
+
+Example:
+
+usb-s8815 {
+};

trunk/arch/arm/boot/dts/Makefile

@@ -100,6 +100,7 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
 	imx28-m28evk.dtb \
 	imx28-sps1.dtb \
 	imx28-tx28.dtb
+dtb-$(CONFIG_ARCH_NOMADIK) += ste-nomadik-s8815.dtb
 dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
 	omap3-beagle.dtb \
 	omap3-beagle-xm.dtb \

trunk/arch/arm/boot/dts/ste-nomadik-s8815.dts

@@ -0,0 +1,20 @@
+/*
+ * Device Tree for the ST-Ericsson Nomadik S8815 board
+ * Produced by Calao Systems
+ */
+
+/dts-v1/;
+/include/ "ste-nomadik-stn8815.dtsi"
+
+/ {
+	model = "Calao Systems USB-S8815";
+	compatible = "calaosystems,usb-s8815";
+
+	chosen {
+		bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
+	};
+
+	/* Custom board node with GPIO pins to active etc */
+	usb-s8815 {
+	};
+};

trunk/arch/arm/boot/dts/ste-nomadik-stn8815.dtsi

@@ -0,0 +1,80 @@
+/*
+ * Device Tree for the ST-Ericsson Nomadik 8815 STn8815 SoC
+ */
+/include/ "skeleton.dtsi"
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	memory {
+		reg = <0x00000000 0x04000000>,
+		    <0x08000000 0x04000000>;
+	};
+
+	L2: l2-cache {
+		compatible = "arm,l210-cache";
+		reg = <0x10210000 0x1000>;
+		interrupt-parent = <&vica>;
+		interrupts = <30>;
+		cache-unified;
+		cache-level = <2>;
+	};
+
+	mtu0 {
+		/* Nomadik system timer */
+		reg = <0x101e2000 0x1000>;
+		interrupt-parent = <&vica>;
+		interrupts = <4>;
+	};
+
+	mtu1 {
+		/* Secondary timer */
+		reg = <0x101e3000 0x1000>;
+		interrupt-parent = <&vica>;
+		interrupts = <5>;
+	};
+
+	amba {
+		compatible = "arm,amba-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		vica: intc@0x10140000 {
+			compatible = "arm,versatile-vic";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			reg = <0x10140000 0x20>;
+		};
+
+		vicb: intc@0x10140020 {
+			compatible = "arm,versatile-vic";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			reg = <0x10140020 0x20>;
+		};
+
+		uart0: uart@101fd000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x101fd000 0x1000>;
+			interrupt-parent = <&vica>;
+			interrupts = <12>;
+		};
+
+		uart1: uart@101fb000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x101fb000 0x1000>;
+			interrupt-parent = <&vica>;
+			interrupts = <17>;
+		};
+
+		uart2: uart@101f2000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x101f2000 0x1000>;
+			interrupt-parent = <&vica>;
+			interrupts = <28>;
+			status = "disabled";
+		};
+	};
+};

trunk/arch/arm/mach-nomadik/board-nhk8815.c

@@ -204,6 +204,10 @@ static int __init nhk8815_mmcsd_init(void)
 {
 	int ret;
 
+	/* For e.g. devicetree boot */
+	if (!machine_is_nomadik())
+		return 0;
+
 	ret = gpio_request(112, "card detect bias");
 	if (ret)
 		return ret;

trunk/arch/arm/mach-nomadik/cpu-8815.c

@@ -25,13 +25,19 @@
 #include <linux/slab.h>
 #include <linux/irq.h>
 #include <linux/dma-mapping.h>
-#include <linux/irqchip/arm-vic.h>
+#include <linux/irqchip.h>
 #include <linux/platform_data/clk-nomadik.h>
 #include <linux/platform_data/pinctrl-nomadik.h>
+#include <linux/platform_data/clocksource-nomadik-mtu.h>
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
 
 #include <mach/hardware.h>
 #include <mach/irqs.h>
+#include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/mach/time.h>
 
 #include <asm/cacheflush.h>
 #include <asm/hardware/cache-l2x0.h>
@@ -160,3 +166,73 @@ void cpu8815_restart(char mode, const char *cmd)
 	/* Write anything to Reset status register */
 	writel(1, src_rstsr);
 }
+
+#ifdef CONFIG_OF
+
+/* Initial value for SRC control register: all timers use MXTAL/8 source */
+#define SRC_CR_INIT_MASK	0x00007fff
+#define SRC_CR_INIT_VAL		0x2aaa8000
+
+static void __init cpu8815_timer_init_of(void)
+{
+	struct device_node *mtu;
+	void __iomem *base;
+	int irq;
+	u32 src_cr;
+
+	/* We need this to be up now */
+	nomadik_clk_init();
+
+	mtu = of_find_node_by_path("/mtu0");
+	if (!mtu)
+		return;
+	base = of_iomap(mtu, 0);
+	if (WARN_ON(!base))
+		return;
+	irq = irq_of_parse_and_map(mtu, 0);
+
+	pr_info("Remapped MTU @ %p, irq: %d\n", base, irq);
+
+	/* Configure timer sources in "system reset controller" ctrl reg */
+	src_cr = readl(base);
+	src_cr &= SRC_CR_INIT_MASK;
+	src_cr |= SRC_CR_INIT_VAL;
+	writel(src_cr, base);
+
+	nmdk_timer_init(base, irq);
+}
+
+/* These are mostly to get the right device names for the clock lookups */
+static struct of_dev_auxdata cpu8815_auxdata_lookup[] __initdata = {
+	OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART0_BASE,
+		"uart0", NULL),
+	OF_DEV_AUXDATA("arm,primecell", NOMADIK_UART1_BASE,
+		"uart1", NULL),
+	{ /* sentinel */ },
+};
+
+static void __init cpu8815_init_of(void)
+{
+#ifdef CONFIG_CACHE_L2X0
+	/* At full speed latency must be >=2, so 0x249 in low bits */
+	l2x0_of_init(0x00730249, 0xfe000fff);
+#endif
+	of_platform_populate(NULL, of_default_bus_match_table,
+			cpu8815_auxdata_lookup, NULL);
+}
+
+static const char * cpu8815_board_compat[] = {
+	"calaosystems,usb-s8815",
+	NULL,
+};
+
+DT_MACHINE_START(NOMADIK_DT, "Nomadik STn8815")
+	.map_io		= cpu8815_map_io,
+	.init_irq	= irqchip_init,
+	.init_time	= cpu8815_timer_init_of,
+	.init_machine	= cpu8815_init_of,
+	.restart	= cpu8815_restart,
+	.dt_compat      = cpu8815_board_compat,
+MACHINE_END
+
+#endif

trunk/arch/arm/mach-nomadik/cpu-8815.h

@@ -2,3 +2,4 @@ extern void cpu8815_map_io(void);
 extern void cpu8815_platform_init(void);
 extern void cpu8815_init_irq(void);
 extern void cpu8815_restart(char, const char *);
+extern struct sys_timer cpu8815_timer;

trunk/arch/arm/mach-nomadik/i2c-8815nhk.c

@@ -4,6 +4,7 @@
 #include <linux/i2c-algo-bit.h>
 #include <linux/i2c-gpio.h>
 #include <linux/platform_device.h>
+#include <asm/mach-types.h>
 
 /*
  * There are two busses in the 8815NHK.
@@ -58,6 +59,10 @@ static struct platform_device nhk8815_i2c_dev2 = {
 
 static int __init nhk8815_i2c_init(void)
 {
+	/* For e.g. devicetree boot */
+	if (!machine_is_nomadik())
+		return 0;
+
 	platform_device_register(&nhk8815_i2c_dev0);
 	platform_device_register(&nhk8815_i2c_dev1);
 	platform_device_register(&nhk8815_i2c_dev2);