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[Qemu-devel] [PATCH v3 8/8] hw/arm/virt: Add gpio-keys node for Poweroff
From: |
shannon . zhao |
Subject: |
[Qemu-devel] [PATCH v3 8/8] hw/arm/virt: Add gpio-keys node for Poweroff using DT |
Date: |
Mon, 16 Nov 2015 21:23:09 +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>
Tested-by: Wei Huang <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 cb1d45b..3394262 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -561,6 +561,7 @@ 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",
@@ -573,6 +574,20 @@ 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 v3 0/8] Add system_powerdown support on ARM for ACPI and DT, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 8/8] hw/arm/virt: Add gpio-keys node for Poweroff using DT,
shannon . zhao <=
- [Qemu-devel] [PATCH v3 3/8] hw/arm/virt-acpi-build: Add power button device in ACPI DSDT table, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 4/8] hw/acpi/aml-build: Add GPIO Connection Descriptor, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 7/8] hw/arm/virt: Add QEMU powerdown notifier and hook it to GPIO Pin 3, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 2/8] hw/arm/virt-acpi-build: Add GPIO controller in ACPI DSDT table, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 5/8] hw/acpi/aml-build: Add a wrapper for GPIO Interrupt Connection, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 1/8] hw/arm/virt: Add a GPIO controller, shannon . zhao, 2015/11/16
- [Qemu-devel] [PATCH v3 6/8] hw/arm/virt-acpi-build: Add _E03 for Power Button, shannon . zhao, 2015/11/16
- Re: [Qemu-devel] [PATCH v3 0/8] Add system_powerdown support on ARM for ACPI and DT, Shannon Zhao, 2015/11/16