forked from Minki/linux
8758c885c4
With the change to a DT based pinctrl/gpio driver, using gpio API calls in board-*.c files no longer works, a dereferenced NULL pointer exception occurs instead. By converting the GPIO code into a fixed-regulator which gets probed later once pinctrl/gpio is available, we avoid the exception. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Stefan Peter <s.peter@mplch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/*
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* Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
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*
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* arch/arm/mach-kirkwood/board-usi_topkick.c
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*
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* USI Topkick Init for drivers not converted to flattened device tree yet.
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/mv643xx_eth.h>
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#include <linux/gpio.h>
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#include <linux/platform_data/mmc-mvsdio.h>
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#include "common.h"
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#include "mpp.h"
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static struct mv643xx_eth_platform_data topkick_ge00_data = {
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.phy_addr = MV643XX_ETH_PHY_ADDR(0),
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};
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static struct mvsdio_platform_data topkick_mvsdio_data = {
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/* unfortunately the CD signal has not been connected */
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};
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/*
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* GPIO LED layout
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*
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* /-SYS_LED(2)
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* |
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* | /-DISK_LED
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* | |
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* | | /-WLAN_LED(2)
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* | | |
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* [SW] [*] [*] [*]
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*/
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/*
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* Switch positions
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*
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* /-SW_LEFT
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* |
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* | /-SW_IDLE
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* | |
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* | | /-SW_RIGHT
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* | | |
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* PS [L] [I] [R] LEDS
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*/
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static unsigned int topkick_mpp_config[] __initdata = {
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MPP21_GPIO, /* DISK_LED (low active) - yellow */
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MPP36_GPIO, /* SATA0 power enable (high active) */
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MPP37_GPIO, /* SYS_LED2 (low active) - red */
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MPP38_GPIO, /* SYS_LED (low active) - blue */
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MPP39_GPIO, /* WLAN_LED (low active) - green */
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MPP43_GPIO, /* SW_LEFT (low active) */
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MPP44_GPIO, /* SW_RIGHT (low active) */
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MPP45_GPIO, /* SW_IDLE (low active) */
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MPP46_GPIO, /* SW_LEFT (low active) */
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MPP48_GPIO, /* WLAN_LED2 (low active) - yellow */
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0
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};
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void __init usi_topkick_init(void)
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{
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/*
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* Basic setup. Needs to be called early.
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*/
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kirkwood_mpp_conf(topkick_mpp_config);
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kirkwood_ge00_init(&topkick_ge00_data);
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kirkwood_sdio_init(&topkick_mvsdio_data);
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}
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