ar71xx: add kernel support for the OpenMesh OM5P-AN board

Signed-off-by: Sven Eckelmann <sven@open-mesh.com>

SVN-Revision: 44861

1 files changed, 77 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c
index c1cfa18098..7f1d811758 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c
@@ -2,6 +2,7 @@
  *  OpenMesh OM5P support
  *
  *  Copyright (C) 2013 Marek Lindner <marek@open-mesh.com>
+ *  Copyright (C) 2014 Sven Eckelmann <sven@open-mesh.com>
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License version 2 as published
@@ -12,6 +13,9 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/i2c-gpio.h>
 
 #include <asm/mach-ath79/ar71xx_regs.h>
 #include <asm/mach-ath79/ath79.h>
@@ -32,11 +36,14 @@
 #define OM5P_GPIO_LED_LAN	14
 #define OM5P_GPIO_LED_WAN	15
 #define OM5P_GPIO_BTN_RESET	4
+#define OM5P_GPIO_I2C_SCL	20
+#define OM5P_GPIO_I2C_SDA	21
 
 #define OM5P_KEYS_POLL_INTERVAL		20	/* msecs */
 #define OM5P_KEYS_DEBOUNCE_INTERVAL	(3 * OM5P_KEYS_POLL_INTERVAL)
 
 #define OM5P_WMAC_CALDATA_OFFSET	0x1000
+#define OM5P_PCI_CALDATA_OFFSET		0x5000
 
 static struct gpio_led om5p_leds_gpio[] __initdata = {
 	{
@@ -120,3 +127,73 @@ static void __init om5p_setup(void)
 }
 
 MIPS_MACHINE(ATH79_MACH_OM5P, "OM5P", "OpenMesh OM5P", om5p_setup);
+
+static struct i2c_gpio_platform_data om5pan_i2c_device_platdata = {
+	.sda_pin		= OM5P_GPIO_I2C_SDA,
+	.scl_pin		= OM5P_GPIO_I2C_SCL,
+	.udelay			= 10,
+	.sda_is_open_drain	= 1,
+	.scl_is_open_drain	= 1,
+};
+
+static struct platform_device om5pan_i2c_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &om5pan_i2c_device_platdata,
+	},
+};
+
+static struct i2c_board_info om5pan_i2c_devs[] __initdata = {
+	{
+		I2C_BOARD_INFO("tmp423", 0x4c),
+	},
+};
+
+static void __init om5p_an_setup(void)
+{
+	u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
+	u8 mac[6];
+
+	/* temperature sensor */
+	platform_device_register(&om5pan_i2c_device);
+	i2c_register_board_info(0, om5pan_i2c_devs,
+				ARRAY_SIZE(om5pan_i2c_devs));
+
+	/* make lan / wan leds software controllable */
+	ath79_gpio_output_select(OM5P_GPIO_LED_LAN, AR934X_GPIO_OUT_GPIO);
+	ath79_gpio_output_select(OM5P_GPIO_LED_WAN, AR934X_GPIO_OUT_GPIO);
+
+	ath79_register_m25p80(&om5p_flash_data);
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(om5p_leds_gpio),
+				 om5p_leds_gpio);
+
+	ath79_init_mac(mac, art, 0x02);
+	ath79_register_wmac(art + OM5P_WMAC_CALDATA_OFFSET, mac);
+
+	ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
+	ath79_register_mdio(0, 0x0);
+	ath79_register_mdio(1, 0x0);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, art, 0x00);
+	ath79_init_mac(ath79_eth1_data.mac_addr, art, 0x01);
+
+	/* GMAC0 is connected to the PHY7 */
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
+	ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
+	ath79_eth0_data.phy_mask = BIT(7);
+	ath79_eth0_pll_data.pll_1000 = 0x1a000000;
+	ath79_eth0_pll_data.pll_100 = 0x00000101;
+	ath79_eth0_pll_data.pll_10 = 0x00001313;
+	ath79_register_eth(0);
+
+	/* GMAC1 is connected to the internal switch */
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
+	ath79_eth1_data.mii_bus_dev = &ath79_mdio1_device.dev;
+	ath79_register_eth(1);
+
+	ath79_init_mac(mac, art, 0x10);
+	ap91_pci_init(art + OM5P_PCI_CALDATA_OFFSET, mac);
+}
+
+MIPS_MACHINE(ATH79_MACH_OM5P_AN, "OM5P-AN", "OpenMesh OM5P AN", om5p_an_setup);