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[Qemu-devel] [PATCH 7/7] hw/arm/virt: Add gpio-keys node for Poweroff us
From: |
shannon . zhao |
Subject: |
[Qemu-devel] [PATCH 7/7] hw/arm/virt: Add gpio-keys node for Poweroff using DT |
Date: |
Tue, 12 May 2015 12:24:16 +0800 |
From: Shannon Zhao <address@hidden>
Add a gpio-keys node. This is used for Poweroff for the systems which
use DT not ACPI.
Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
---
hw/arm/virt.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 354b020..a6f39c0 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -454,6 +454,7 @@ 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("/address@hidden" PRIx64, base);
qemu_fdt_add_subnode(vbi->fdt, nodename);
qemu_fdt_setprop_sized_cells(vbi->fdt, nodename, "reg",
@@ -466,6 +467,20 @@ 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_setprop(vbi->fdt, "/gpio-keys", "autorepeat", NULL, 0);
+
+ 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", 116);
+ qemu_fdt_setprop_cells(vbi->fdt, "/gpio-keys/poweroff",
+ "gpios", phandle, 3, 0);
/* connect powerdown request */
qemu_register_powerdown_notifier(&virt_system_powerdown_notifier);
--
2.1.0
- [Qemu-devel] [PATCH 0/7] Add system_powerdown support on ARM through ACPI and DT, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 1/7] hw/arm/virt: Add a GPIO controller, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 2/7] hw/arm/virt-acpi-build: Add GPIO controller in ACPI DSDT table, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 3/7] hw/arm/virt-acpi-build: Add power button device in ACPI DSDT table, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 4/7] hw/acpi/aml-build: Add aml_gpio_int() term, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 5/7] hw/arm/virt-acpi-build: Add _E03 for Power Button, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 6/7] hw/arm/virt: Add QEMU powerdown notifier and hook it to GPIO Pin 3, shannon . zhao, 2015/05/12
- [Qemu-devel] [PATCH 7/7] hw/arm/virt: Add gpio-keys node for Poweroff using DT,
shannon . zhao <=