ARM: kirkwood: Add support for the MPL CEC4

Signed-off-by: Stefan Peter <s.peter@mpl.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

8 files changed, 219 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c5eb41c4b76..eef6545f65e 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -40,6 +40,7 @@ dtb-$(CONFIG_ARCH_KIRKWOOD) += kirkwood-dns320.dtb \
 	kirkwood-km_kirkwood.dtb \
 	kirkwood-lschlv2.dtb \
 	kirkwood-lsxhl.dtb \
+	kirkwood-mplcec4.dtb \
 	kirkwood-ns2.dtb \
 	kirkwood-ns2lite.dtb \
 	kirkwood-ns2max.dtb \
diff --git a/arch/arm/boot/dts/kirkwood-mplcec4.dts b/arch/arm/boot/dts/kirkwood-mplcec4.dts
new file mode 100644
index 00000000000..ac3c080bed2
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-mplcec4.dts
@@ -0,0 +1,119 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+
+/ {
+	model = "MPL CEC4";
+	compatible = "mpl,cec4-10", "mpl,cec4", "marvell,kirkwood-88f6281", "marvell,kirkwood";
+
+        memory {
+                device_type = "memory";
+                reg = <0x00000000 0x20000000>;
+        };
+
+        chosen {
+                bootargs = "console=ttyS0,115200n8 earlyprintk";
+        };
+
+	ocp@f1000000 {
+                i2c@11000 {
+                        status = "okay";
+
+			rtc@51 {
+				compatible = "nxp,pcf8563";
+				reg = <0x51>;
+			};
+
+			eeprom@57 {
+				compatible = "atmel,24c02";
+				reg = <0x57>;
+			};
+
+                };
+
+                serial@12000 {
+                        clock-frequency = <200000000>;
+                        status = "ok";
+                };
+
+                nand@3000000 {
+                        status = "okay";
+
+                        partition@0 {
+                                label = "uboot";
+                                reg = <0x0000000 0x100000>;
+                        };
+
+                        partition@100000 {
+                                label = "env";
+                                reg = <0x100000 0x80000>;
+                        };
+
+                        partition@180000 {
+                                label = "fdt";
+                                reg = <0x180000 0x80000>;
+                        };
+
+                        partition@200000 {
+                                label = "kernel";
+                                reg = <0x200000 0x400000>;
+                        };
+
+                        partition@600000 {
+                                label = "rootfs";
+                                reg = <0x600000 0x1fa00000>;
+                        };
+                };
+
+		rtc@10300 {
+			status = "disabled";
+		};
+
+		sata@80000 {
+			nr-ports = <2>;
+			status = "okay";
+
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		health {
+			label = "status:green:health";
+			gpios = <&gpio0 7 1>;
+		};
+
+		user1o {
+			label = "user1:orange";
+			gpios = <&gpio1 8 1>;
+			default-state = "on";
+		};
+
+		user1g {
+			label = "user1:green";
+			gpios = <&gpio1 9 1>;
+			default-state = "on";
+		};
+
+		user0o {
+			label = "user0:orange";
+			gpios = <&gpio1 12 1>;
+			default-state = "on";
+		};
+
+		user0g {
+			label = "user0:green";
+			gpios = <&gpio1 13 1>;
+			default-state = "on";
+		};
+
+		misc {
+			label = "status:orange:misc";
+			gpios = <&gpio1 14 1>;
+			default-state = "on";
+		};
+
+	};
+};
+
diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig
index 006b7b95cac..2fd4d259d86 100644
--- a/arch/arm/configs/kirkwood_defconfig
+++ b/arch/arm/configs/kirkwood_defconfig
@@ -33,6 +33,7 @@ CONFIG_MACH_NETSPACE_MAX_V2_DT=y
 CONFIG_MACH_NETSPACE_LITE_V2_DT=y
 CONFIG_MACH_NETSPACE_MINI_V2_DT=y
 CONFIG_MACH_TOPKICK_DT=y
+CONFIG_MACH_MPLCEC4_DT=y
 CONFIG_MACH_TS219=y
 CONFIG_MACH_TS41X=y
 CONFIG_MACH_DOCKSTAR=y
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index a5b766e1330..141b105ce8d 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -137,6 +137,13 @@ config MACH_INETSPACE_V2_DT
 	  Say 'Y' here if you want your kernel to support the LaCie
 	  Internet Space v2 NAS, using Flattened Device Tree.
 
+config MACH_MPLCEC4_DT
+	bool "MPL CEC4 (Flattened Device Tree)"
+	select ARCH_KIRKWOOD_DT
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  MPL CEC4 (Flattened Device Tree).
+
 config MACH_NETSPACE_V2_DT
 	bool "LaCie Network Space v2 NAS (Flattened Device Tree)"
 	select ARCH_KIRKWOOD_DT
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 8f7a34040af..b5bc3346759 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_MACH_LSXL_DT)		+= board-lsxl.o
 obj-$(CONFIG_MACH_IOMEGA_IX2_200_DT)	+= board-iomega_ix2_200.o
 obj-$(CONFIG_MACH_KM_KIRKWOOD_DT)	+= board-km_kirkwood.o
 obj-$(CONFIG_MACH_INETSPACE_V2_DT)	+= board-ns2.o
+obj-$(CONFIG_MACH_MPLCEC4_DT)		+= board-mplcec4.o
 obj-$(CONFIG_MACH_NETSPACE_V2_DT)	+= board-ns2.o
 obj-$(CONFIG_MACH_NETSPACE_MAX_V2_DT)	+= board-ns2.o
 obj-$(CONFIG_MACH_NETSPACE_LITE_V2_DT)	+= board-ns2.o
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
index 87c53d175d3..33c0bc1e2f3 100644
--- a/arch/arm/mach-kirkwood/board-dt.c
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -103,6 +103,9 @@ static void __init kirkwood_dt_init(void)
 	    of_machine_is_compatible("lacie,netspace_mini_v2"))
 		ns2_init();
 
+	if (of_machine_is_compatible("mpl,cec4"))
+		mplcec4_init();
+
 	if (of_machine_is_compatible("usi,topkick"))
 		usi_topkick_init();
 
@@ -130,6 +133,7 @@ static const char *kirkwood_dt_board_compat[] = {
 	"lacie,netspace_v2",
 	"lacie,netspace_lite_v2",
 	"lacie,netspace_mini_v2",
+	"mpl,cec4",
 	"usi,topkick",
 	"zyxel,nsa310",
 	NULL
diff --git a/arch/arm/mach-kirkwood/board-mplcec4.c b/arch/arm/mach-kirkwood/board-mplcec4.c
new file mode 100644
index 00000000000..e78a227468e
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-mplcec4.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2012 MPL AG, Switzerland
+ * Stefan Peter <s.peter@mpl.ch>
+ *
+ * arch/arm/mach-kirkwood/board-mplcec4.c
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/platform_data/mmc-mvsdio.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mv643xx_eth_platform_data mplcec4_ge00_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(1),
+};
+
+static struct mv643xx_eth_platform_data mplcec4_ge01_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(2),
+};
+
+static unsigned int mplcec4_mpp_config[] __initdata = {
+	MPP0_NF_IO2,
+	MPP1_NF_IO3,
+	MPP2_NF_IO4,
+	MPP3_NF_IO5,
+	MPP4_NF_IO6,
+	MPP5_NF_IO7,
+	MPP6_SYSRST_OUTn,
+	MPP7_GPO,	/* Status LED Green High Active */
+	MPP10_UART0_TXD,
+	MPP11_UART0_RXD,
+	MPP12_SD_CLK,
+	MPP13_SD_CMD,	/* Alt UART1_TXD */
+	MPP14_SD_D0,	/* Alt UART1_RXD */
+	MPP15_SD_D1,
+	MPP16_SD_D2,
+	MPP17_SD_D3,
+	MPP18_NF_IO0,
+	MPP19_NF_IO1,
+	MPP28_GPIO,	/* Input SYS_POR_DET (active High) */
+	MPP29_GPIO,	/* Input SYS_RTC_INT (active High) */
+	MPP34_SATA1_ACTn,
+	MPP35_SATA0_ACTn,
+	MPP40_GPIO,	/* LED User1 orange */
+	MPP41_GPIO,	/* LED User1 green */
+	MPP44_GPIO,	/* LED User0 orange */
+	MPP45_GPIO,	/* LED User0 green */
+	MPP46_GPIO,	/* Status LED Yellow High Active */
+	MPP47_GPIO,	/* SD_CD# (in/IRQ)*/
+	0
+};
+
+
+static struct mvsdio_platform_data mplcec4_mvsdio_data = {
+	.gpio_card_detect = 47,	/* MPP47 used as SD card detect */
+};
+
+
+
+void __init mplcec4_init(void)
+{
+	/*
+	 * Basic setup. Needs to be called early.
+	 */
+	kirkwood_mpp_conf(mplcec4_mpp_config);
+	kirkwood_ehci_init();
+	kirkwood_ge00_init(&mplcec4_ge00_data);
+	kirkwood_ge01_init(&mplcec4_ge01_data);
+	kirkwood_sdio_init(&mplcec4_mvsdio_data);
+	kirkwood_pcie_init(KW_PCIE0);
+}
+
+
+
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 652a7282cdb..f86fcced0bb 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -112,6 +112,12 @@ void km_kirkwood_init(void);
 static inline void km_kirkwood_init(void) {};
 #endif
 
+#ifdef CONFIG_MACH_MPLCEC4_DT
+void mplcec4_init(void);
+#else
+static inline void mplcec4_init(void) {};
+#endif
+
 #if defined(CONFIG_MACH_INETSPACE_V2_DT) || \
 	defined(CONFIG_MACH_NETSPACE_V2_DT) || \
 	defined(CONFIG_MACH_NETSPACE_MAX_V2_DT) || \