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>

diff --git a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt
index d3a5a93a65cd255ff8f5bc3cafcc2fd967d99147..43c21fb04564c1c19d10043d2425dfe8654b69ba 100644 (file)
--- 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 85812521b6baddf00f47bb2b1a9cfa095ff661a4..031a34372191a832a39858487d3e21c22d2fad61 100644 (file)
--- 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 = {
@@ -344,6 +354,10 @@ static const struct of_device_id rockchip_iodomain_match[] = {
                .compatible = "rockchip,rk3188-io-voltage-domain",
                .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