ar71xx: add kernel support for the OpenMesh OM5P-ACv2 board

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

Backport of r49149

3 files changed, 256 insertions, 0 deletions

diff --git a/target/linux/ar71xx/config-3.18 b/target/linux/ar71xx/config-3.18
index 9a66711d0c..e4bed085ec 100644
--- a/target/linux/ar71xx/config-3.18
+++ b/target/linux/ar71xx/config-3.18
@@ -92,6 +92,7 @@ CONFIG_ATH79_MACH_NBG6716=y
 CONFIG_ATH79_MACH_OM2P=y
 CONFIG_ATH79_MACH_OM5P=y
 CONFIG_ATH79_MACH_OM5P_AC=y
+CONFIG_ATH79_MACH_OM5P_ACv2=y
 CONFIG_ATH79_MACH_ONION_OMEGA=y
 CONFIG_ATH79_MACH_PB42=y
 CONFIG_ATH79_MACH_PB44=y
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-om5pacv2.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-om5pacv2.c
new file mode 100644
index 0000000000..587ca32601
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-om5pacv2.c
@@ -0,0 +1,216 @@
+/*
+ *  OpenMesh OM5P-ACv2 support
+ *
+ *  Copyright (C) 2013 Marek Lindner <marek@open-mesh.com>
+ *  Copyright (C) 2014-2016 Sven Eckelmann <sven@open-mesh.com>
+ *  Copyright (C) 2015 Open-Mesh - Jim Collar <jim.collar@eqware.net>
+ *
+ *  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
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+#include <linux/mdio-gpio.h>
+#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 <linux/platform_data/phy-at803x.h>
+
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <asm/mach-ath79/ath79.h>
+
+#include "common.h"
+#include "dev-ap9x-pci.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+#include "pci.h"
+
+#define OM5PACV2_GPIO_LED_POWER	14
+#define OM5PACV2_GPIO_LED_GREEN	13
+#define OM5PACV2_GPIO_LED_RED	23
+#define OM5PACV2_GPIO_LED_YELLOW	15
+#define OM5PACV2_GPIO_BTN_RESET	1
+#define OM5PACV2_GPIO_I2C_SCL	18
+#define OM5PACV2_GPIO_I2C_SDA	19
+#define OM5PACV2_GPIO_PA_DCDC	2
+#define OM5PACV2_GPIO_PA_HIGH	16
+
+#define OM5PACV2_KEYS_POLL_INTERVAL	20	/* msecs */
+#define OM5PACV2_KEYS_DEBOUNCE_INTERVAL	(3 * OM5PACV2_KEYS_POLL_INTERVAL)
+
+#define OM5PACV2_WMAC_CALDATA_OFFSET	0x1000
+
+static struct gpio_led om5pacv2_leds_gpio[] __initdata = {
+	{
+		.name		= "om5pac:blue:power",
+		.gpio		= OM5PACV2_GPIO_LED_POWER,
+		.active_low	= 1,
+	}, {
+		.name		= "om5pac:red:wifi",
+		.gpio		= OM5PACV2_GPIO_LED_RED,
+		.active_low	= 1,
+	}, {
+		.name		= "om5pac:yellow:wifi",
+		.gpio		= OM5PACV2_GPIO_LED_YELLOW,
+		.active_low	= 1,
+	}, {
+		.name		= "om5pac:green:wifi",
+		.gpio		= OM5PACV2_GPIO_LED_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button om5pacv2_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = OM5PACV2_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= OM5PACV2_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+static struct i2c_gpio_platform_data om5pacv2_i2c_device_platdata = {
+	.sda_pin		= OM5PACV2_GPIO_I2C_SDA,
+	.scl_pin		= OM5PACV2_GPIO_I2C_SCL,
+	.udelay			= 10,
+	.sda_is_open_drain	= 1,
+	.scl_is_open_drain	= 1,
+};
+
+static struct platform_device om5pacv2_i2c_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &om5pacv2_i2c_device_platdata,
+	},
+};
+
+static struct i2c_board_info om5pacv2_i2c_devs[] __initdata = {
+	{
+		I2C_BOARD_INFO("tmp423", 0x4e),
+	},
+};
+
+static struct flash_platform_data om5pacv2_flash_data = {
+	.type = "mx25l12805d",
+};
+
+static struct at803x_platform_data om5pacv2_an_at803x_data = {
+	.disable_smarteee = 1,
+	.enable_rgmii_rx_delay = 1,
+	.enable_rgmii_tx_delay = 1,
+};
+
+static struct at803x_platform_data om5pacv2_an_at8031_data = {
+	.disable_smarteee = 1,
+	.enable_rgmii_rx_delay = 1,
+	.enable_rgmii_tx_delay = 1,
+};
+
+static struct mdio_board_info om5pacv2_an_mdio0_info[] = {
+	{
+		.bus_id = "ag71xx-mdio.0",
+		.phy_addr = 4,
+		.platform_data = &om5pacv2_an_at803x_data,
+	},
+	{
+		.bus_id = "ag71xx-mdio.1",
+		.phy_addr = 1,
+		.platform_data = &om5pacv2_an_at8031_data,
+	},
+};
+
+static void __init om5p_acv2_setup_qca955x_eth_cfg(u32 mask,
+						   unsigned int rxd,
+						   unsigned int rxdv,
+						   unsigned int txd,
+						   unsigned int txe)
+{
+	void __iomem *base;
+	u32 t;
+
+	base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
+
+	t = mask;
+	t |= rxd << QCA955X_ETH_CFG_RXD_DELAY_SHIFT;
+	t |= rxdv << QCA955X_ETH_CFG_RDV_DELAY_SHIFT;
+	t |= txd << QCA955X_ETH_CFG_TXD_DELAY_SHIFT;
+	t |= txe << QCA955X_ETH_CFG_TXE_DELAY_SHIFT;
+
+	__raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
+
+	iounmap(base);
+}
+
+static void __init om5p_acv2_setup(void)
+{
+	u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
+	u8 mac[6];
+
+	/* power amplifier high power, 4.2V at RFFM4203/4503 instead of 3.3 */
+	ath79_gpio_function_enable(QCA955X_GPIO_FUNC_JTAG_DISABLE);
+	ath79_gpio_output_select(OM5PACV2_GPIO_PA_DCDC, QCA955X_GPIO_OUT_GPIO);
+	ath79_gpio_output_select(OM5PACV2_GPIO_PA_HIGH, QCA955X_GPIO_OUT_GPIO);
+	gpio_request_one(OM5PACV2_GPIO_PA_DCDC, GPIOF_OUT_INIT_HIGH,
+			 "PA DC/DC");
+	gpio_request_one(OM5PACV2_GPIO_PA_HIGH, GPIOF_OUT_INIT_HIGH, "PA HIGH");
+
+	/* temperature sensor */
+	platform_device_register(&om5pacv2_i2c_device);
+	i2c_register_board_info(0, om5pacv2_i2c_devs,
+				ARRAY_SIZE(om5pacv2_i2c_devs));
+
+	ath79_register_m25p80(&om5pacv2_flash_data);
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(om5pacv2_leds_gpio),
+				 om5pacv2_leds_gpio);
+	ath79_register_gpio_keys_polled(-1, OM5PACV2_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(om5pacv2_gpio_keys),
+					om5pacv2_gpio_keys);
+
+	ath79_init_mac(mac, art, 0x02);
+	ath79_register_wmac(art + OM5PACV2_WMAC_CALDATA_OFFSET, mac);
+
+	om5p_acv2_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 2, 2, 0, 0);
+	ath79_register_mdio(0, 0x0);
+	ath79_register_mdio(1, 0x0);
+
+	mdiobus_register_board_info(om5pacv2_an_mdio0_info,
+				    ARRAY_SIZE(om5pacv2_an_mdio0_info));
+
+	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 PHY4 */
+	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(4);
+	ath79_eth0_pll_data.pll_1000 = 0x82000101;
+	ath79_eth0_pll_data.pll_100 = 0x80000101;
+	ath79_eth0_pll_data.pll_10 = 0x80001313;
+	ath79_register_eth(0);
+
+	/* GMAC1 is connected to MDIO1 in SGMII mode */
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
+	ath79_eth1_data.mii_bus_dev = &ath79_mdio1_device.dev;
+	ath79_eth1_data.phy_mask = BIT(1);
+	ath79_eth1_pll_data.pll_1000 = 0x03000101;
+	ath79_eth1_pll_data.pll_100 = 0x80000101;
+	ath79_eth1_pll_data.pll_10 = 0x80001313;
+	ath79_eth1_data.speed = SPEED_1000;
+	ath79_eth1_data.duplex = DUPLEX_FULL;
+	ath79_register_eth(1);
+
+	ath79_register_pci();
+}
+
+MIPS_MACHINE(ATH79_MACH_OM5P_ACv2, "OM5P-ACv2", "OpenMesh OM5P ACv2", om5p_acv2_setup);
diff --git a/target/linux/ar71xx/patches-3.18/816-MIPS-ath79-add-om5pacv-support.patch b/target/linux/ar71xx/patches-3.18/816-MIPS-ath79-add-om5pacv-support.patch
new file mode 100644
index 0000000000..fbbf171599
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.18/816-MIPS-ath79-add-om5pacv-support.patch
@@ -0,0 +1,39 @@
+--- a/arch/mips/ath79/Kconfig
++++ b/arch/mips/ath79/Kconfig
+@@ -808,6 +808,16 @@ config ATH79_MACH_OM5P_AC
+ 	select ATH79_DEV_M25P80
+ 	select ATH79_DEV_WMAC
+ 
++config ATH79_MACH_OM5P_ACv2
++	bool "OpenMesh OM5P-ACv2 board support"
++	select SOC_QCA955X
++	select ATH79_DEV_AP9X_PCI if PCI
++	select ATH79_DEV_ETH
++	select ATH79_DEV_GPIO_BUTTONS
++	select ATH79_DEV_LEDS_GPIO
++	select ATH79_DEV_M25P80
++	select ATH79_DEV_WMAC
++
+ config ATH79_MACH_ONION_OMEGA
+ 	bool "ONION OMEGA support"
+ 	select SOC_AR933X
+--- a/arch/mips/ath79/Makefile
++++ b/arch/mips/ath79/Makefile
+@@ -101,6 +101,7 @@ obj-$(CONFIG_ATH79_MACH_NBG460N)	+= mach
+ obj-$(CONFIG_ATH79_MACH_OM2P)		+= mach-om2p.o
+ obj-$(CONFIG_ATH79_MACH_OM5P)		+= mach-om5p.o
+ obj-$(CONFIG_ATH79_MACH_OM5P_AC)	+= mach-om5pac.o
++obj-$(CONFIG_ATH79_MACH_OM5P_ACv2)	+= mach-om5pacv2.o
+ obj-$(CONFIG_ATH79_MACH_ONION_OMEGA)	+= mach-onion-omega.o
+ obj-$(CONFIG_ATH79_MACH_PB42)		+= mach-pb42.o
+ obj-$(CONFIG_ATH79_MACH_PB44)		+= mach-pb44.o
+--- a/arch/mips/ath79/machtypes.h
++++ b/arch/mips/ath79/machtypes.h
+@@ -96,6 +96,7 @@ enum ath79_mach_type {
+ 	ATH79_MACH_OM2Pv2,		/* OpenMesh OM2Pv2 */
+ 	ATH79_MACH_OM2P,		/* OpenMesh OM2P */
+ 	ATH79_MACH_OM5P_AC,		/* OpenMesh OM5P-AC */
++	ATH79_MACH_OM5P_ACv2,		/* OpenMesh OM5P-ACv2 */
+ 	ATH79_MACH_OM5P_AN,		/* OpenMesh OM5P-AN */
+ 	ATH79_MACH_OM5P,		/* OpenMesh OM5P */
+ 	ATH79_MACH_ONION_OMEGA,		/* ONION OMEGA */