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authorShannon Zhao <shannon.zhao@linaro.org>2015-12-17 13:37:14 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-12-17 13:37:14 +0000
commit3e6ebb64a392ebc712347413f1065300ed008a8f (patch)
tree333e1ca84938ee49b7546f0d1aafac38326dc790 /hw
parent4bedd8495b47edbeed8389b631b0ee42bb17e0ef (diff)
downloadqemu-arm-3e6ebb64a392ebc712347413f1065300ed008a8f.tar.gz
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/arm/virt.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index cb1d45bcaf..acc1fcbdd1 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -52,6 +52,7 @@
#include "kvm_arm.h"
#include "hw/smbios/smbios.h"
#include "qapi/visitor.h"
+#include "standard-headers/linux/input.h"
/* Number of external interrupt lines to configure the GIC with */
#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]);
+ uint32_t phandle = qemu_fdt_alloc_phandle(vbi->fdt);
nodename = g_strdup_printf("/pl061@%" PRIx64, base);
qemu_fdt_add_subnode(vbi->fdt, nodename);
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);
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_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 */
qemu_register_powerdown_notifier(&virt_system_powerdown_notifier);