fdb72fd84c
Simple gpio-connected LED driver for KS8695 platforms. (Based on old AT91 LED driver) Signed-off-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
212 lines
5 KiB
C
212 lines
5 KiB
C
/*
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* arch/arm/mach-ks8695/devices.c
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*
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* Copyright (C) 2006 Andrew Victor
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <linux/platform_device.h>
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#include <asm/arch/regs-wan.h>
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#include <asm/arch/regs-lan.h>
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#include <asm/arch/regs-hpna.h>
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/* --------------------------------------------------------------------
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* Ethernet
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* -------------------------------------------------------------------- */
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#if defined(CONFIG_ARM_KS8695_ETHER) || defined(CONFIG_ARM_KS8695_ETHER_MODULE)
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static u64 eth_dmamask = 0xffffffffUL;
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static struct resource ks8695_wan_resources[] = {
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[0] = {
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.start = KS8695_WAN_VA,
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.end = KS8695_WAN_VA + 0x00ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = "WAN RX",
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.start = KS8695_IRQ_WAN_RX_STATUS,
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.end = KS8695_IRQ_WAN_RX_STATUS,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.name = "WAN TX",
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.start = KS8695_IRQ_WAN_TX_STATUS,
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.end = KS8695_IRQ_WAN_TX_STATUS,
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.flags = IORESOURCE_IRQ,
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},
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[3] = {
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.name = "WAN Link",
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.start = KS8695_IRQ_WAN_LINK,
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.end = KS8695_IRQ_WAN_LINK,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ks8695_wan_device = {
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.name = "ks8695_ether",
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.id = 0,
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.dev = {
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.dma_mask = ð_dmamask,
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.coherent_dma_mask = 0xffffffff,
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},
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.resource = ks8695_wan_resources,
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.num_resources = ARRAY_SIZE(ks8695_wan_resources),
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};
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static struct resource ks8695_lan_resources[] = {
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[0] = {
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.start = KS8695_LAN_VA,
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.end = KS8695_LAN_VA + 0x00ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = "LAN RX",
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.start = KS8695_IRQ_LAN_RX_STATUS,
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.end = KS8695_IRQ_LAN_RX_STATUS,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.name = "LAN TX",
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.start = KS8695_IRQ_LAN_TX_STATUS,
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.end = KS8695_IRQ_LAN_TX_STATUS,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ks8695_lan_device = {
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.name = "ks8695_ether",
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.id = 1,
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.dev = {
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.dma_mask = ð_dmamask,
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.coherent_dma_mask = 0xffffffff,
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},
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.resource = ks8695_lan_resources,
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.num_resources = ARRAY_SIZE(ks8695_lan_resources),
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};
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static struct resource ks8695_hpna_resources[] = {
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[0] = {
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.start = KS8695_HPNA_VA,
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.end = KS8695_HPNA_VA + 0x00ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.name = "HPNA RX",
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.start = KS8695_IRQ_HPNA_RX_STATUS,
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.end = KS8695_IRQ_HPNA_RX_STATUS,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.name = "HPNA TX",
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.start = KS8695_IRQ_HPNA_TX_STATUS,
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.end = KS8695_IRQ_HPNA_TX_STATUS,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ks8695_hpna_device = {
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.name = "ks8695_ether",
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.id = 2,
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.dev = {
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.dma_mask = ð_dmamask,
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.coherent_dma_mask = 0xffffffff,
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},
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.resource = ks8695_hpna_resources,
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.num_resources = ARRAY_SIZE(ks8695_hpna_resources),
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};
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void __init ks8695_add_device_wan(void)
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{
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platform_device_register(&ks8695_wan_device);
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}
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void __init ks8695_add_device_lan(void)
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{
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platform_device_register(&ks8695_lan_device);
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}
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void __init ks8696_add_device_hpna(void)
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{
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platform_device_register(&ks8695_hpna_device);
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}
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#else
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void __init ks8695_add_device_wan(void) {}
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void __init ks8695_add_device_lan(void) {}
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void __init ks8696_add_device_hpna(void) {}
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#endif
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/* --------------------------------------------------------------------
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* Watchdog
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* -------------------------------------------------------------------- */
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#if defined(CONFIG_KS8695_WATCHDOG) || defined(CONFIG_KS8695_WATCHDOG_MODULE)
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static struct platform_device ks8695_wdt_device = {
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.name = "ks8695_wdt",
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.id = -1,
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.num_resources = 0,
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};
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static void __init ks8695_add_device_watchdog(void)
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{
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platform_device_register(&ks8695_wdt_device);
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}
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#else
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static void __init ks8695_add_device_watchdog(void) {}
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#endif
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/* --------------------------------------------------------------------
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* LEDs
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* -------------------------------------------------------------------- */
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#if defined(CONFIG_LEDS)
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short ks8695_leds_cpu = -1;
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short ks8695_leds_timer = -1;
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void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
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{
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/* Enable GPIO to access the LEDs */
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gpio_direction_output(cpu_led, 1);
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gpio_direction_output(timer_led, 1);
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ks8695_leds_cpu = cpu_led;
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ks8695_leds_timer = timer_led;
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}
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#else
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void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) {}
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#endif
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/* -------------------------------------------------------------------- */
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/*
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* These devices are always present and don't need any board-specific
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* setup.
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*/
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static int __init ks8695_add_standard_devices(void)
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{
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ks8695_add_device_watchdog();
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return 0;
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}
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arch_initcall(ks8695_add_standard_devices);
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