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ARM: Virt: Add gpio-keys node for Poweroff using DT 

Add a gpio-keys node. This is used for Poweroff for the systems which
use DT not ACPI.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Tested-by: Wei Huang <wei@redhat.com>
Message-id: 1449804086-3464-11-git-send-email-zhaoshenglong@huawei.com
[PMM: use "standard-headers/linux/input.h" rather than <linux/input.h>]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Shannon Zhao 2015-12-17 13:37:14 +00:00 committed by Peter Maydell
parent 4bedd8495b
commit 3e6ebb64a3
1 changed files with 16 additions and 0 deletions
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16
hw/arm/virt.c
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@ -52,6 +52,7 @@
#include "kvm_arm.h" #include "kvm_arm.h"
#include "hw/smbios/smbios.h" #include "hw/smbios/smbios.h"
#include "qapi/visitor.h" #include "qapi/visitor.h"
#include "standard-headers/linux/input.h"
/* Number of external interrupt lines to configure the GIC with */ /* Number of external interrupt lines to configure the GIC with */
#define NUM_IRQS 256 #define NUM_IRQS 256
@ -561,6 +562,7 @@ static void create_gpio(const VirtBoardInfo *vbi, qemu_irq *pic)
pl061_dev = sysbus_create_simple("pl061", base, pic[irq]); pl061_dev = sysbus_create_simple("pl061", base, pic[irq]);
uint32_t phandle = qemu_fdt_alloc_phandle(vbi->fdt);
nodename = g_strdup_printf("/pl061@%" PRIx64, base); nodename = g_strdup_printf("/pl061@%" PRIx64, base);
qemu_fdt_add_subnode(vbi->fdt, nodename); qemu_fdt_add_subnode(vbi->fdt, nodename);
qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "reg", qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "reg",
@ -573,6 +575,20 @@ static void create_gpio(const VirtBoardInfo *vbi, qemu_irq *pic)
GIC_FDT_IRQ_FLAGS_LEVEL_HI); GIC_FDT_IRQ_FLAGS_LEVEL_HI);
qemu_fdt_setprop_cell(vbi->fdt, nodename, "clocks", vbi->clock_phandle); qemu_fdt_setprop_cell(vbi->fdt, nodename, "clocks", vbi->clock_phandle);
qemu_fdt_setprop_string(vbi->fdt, nodename, "clock-names", "apb_pclk"); qemu_fdt_setprop_string(vbi->fdt, nodename, "clock-names", "apb_pclk");
qemu_fdt_setprop_cell(vbi->fdt, nodename, "phandle", phandle);
qemu_fdt_add_subnode(vbi->fdt, "/gpio-keys");
qemu_fdt_setprop_string(vbi->fdt, "/gpio-keys", "compatible", "gpio-keys");
qemu_fdt_setprop_cell(vbi->fdt, "/gpio-keys", "#size-cells", 0);
qemu_fdt_setprop_cell(vbi->fdt, "/gpio-keys", "#address-cells", 1);
qemu_fdt_add_subnode(vbi->fdt, "/gpio-keys/poweroff");
qemu_fdt_setprop_string(vbi->fdt, "/gpio-keys/poweroff",
"label", "GPIO Key Poweroff");
qemu_fdt_setprop_cell(vbi->fdt, "/gpio-keys/poweroff", "linux,code",
KEY_POWER);
qemu_fdt_setprop_cells(vbi->fdt, "/gpio-keys/poweroff",
"gpios", phandle, 3, 0);
/* connect powerdown request */ /* connect powerdown request */
qemu_register_powerdown_notifier(&virt_system_powerdown_notifier); qemu_register_powerdown_notifier(&virt_system_powerdown_notifier);