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authorDavid Wu <david.wu@rock-chips.com>2017-06-09 11:36:14 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-06-28 00:40:17 +0200
commit1a99d0c7962364d5fba5e0cfe5ced586e133f31a (patch)
tree328ce1aae3d696f8b881c011f0fc20d44b027441
parentLinux 4.12-rc7 (diff)
downloadlinux-1a99d0c7962364d5fba5e0cfe5ced586e133f31a.tar.xz
linux-1a99d0c7962364d5fba5e0cfe5ced586e133f31a.zip
PM / AVS: rockchip-io: add io selectors and supplies for rk3228
This adds the necessary data for handling io voltage domains on the rk3228. Signed-off-by: David Wu <david.wu@rock-chips.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--Documentation/devicetree/bindings/power/rockchip-io-domain.txt7
-rw-r--r--drivers/power/avs/rockchip-io-domain.c14
2 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
index d3a5a93a65cd..43c21fb04564 100644
--- a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
+++ b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
@@ -32,6 +32,7 @@ SoC is on the same page.
Required properties:
- compatible: should be one of:
- "rockchip,rk3188-io-voltage-domain" for rk3188
+ - "rockchip,rk3228-io-voltage-domain" for rk3228
- "rockchip,rk3288-io-voltage-domain" for rk3288
- "rockchip,rk3328-io-voltage-domain" for rk3328
- "rockchip,rk3368-io-voltage-domain" for rk3368
@@ -59,6 +60,12 @@ Possible supplies for rk3188:
- vccio1-supply: The supply connected to VCCIO1.
Sometimes also labeled VCCIO1 and VCCIO2.
+Possible supplies for rk3228:
+- vccio1-supply: The supply connected to VCCIO1.
+- vccio2-supply: The supply connected to VCCIO2.
+- vccio3-supply: The supply connected to VCCIO3.
+- vccio4-supply: The supply connected to VCCIO4.
+
Possible supplies for rk3288:
- audio-supply: The supply connected to APIO4_VDD.
- bb-supply: The supply connected to APIO5_VDD.
diff --git a/drivers/power/avs/rockchip-io-domain.c b/drivers/power/avs/rockchip-io-domain.c
index 85812521b6ba..031a34372191 100644
--- a/drivers/power/avs/rockchip-io-domain.c
+++ b/drivers/power/avs/rockchip-io-domain.c
@@ -253,6 +253,16 @@ static const struct rockchip_iodomain_soc_data soc_data_rk3188 = {
},
};
+static const struct rockchip_iodomain_soc_data soc_data_rk3228 = {
+ .grf_offset = 0x418,
+ .supply_names = {
+ "vccio1",
+ "vccio2",
+ "vccio3",
+ "vccio4",
+ },
+};
+
static const struct rockchip_iodomain_soc_data soc_data_rk3288 = {
.grf_offset = 0x380,
.supply_names = {
@@ -345,6 +355,10 @@ static const struct of_device_id rockchip_iodomain_match[] = {
.data = (void *)&soc_data_rk3188
},
{
+ .compatible = "rockchip,rk3228-io-voltage-domain",
+ .data = (void *)&soc_data_rk3228
+ },
+ {
.compatible = "rockchip,rk3288-io-voltage-domain",
.data = (void *)&soc_data_rk3288
},