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phy: for 4.6-rc

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*) make rockchip-dp and rockchip-emmc PHY child device of
    GRF
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.6-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus

Kishon writes:

phy: for 4.6-rc

*) make rockchip-dp and rockchip-emmc PHY child device of
   GRF

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Greg Kroah-Hartman 2016-04-22 17:13:24 +09:00
commit d40d334743
4 changed files with 34 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
Documentation/devicetree/bindings/phy/rockchip-dp-phy.txt
View File

@ -8,15 +8,19 @@ Required properties:
of memory mapped region.
- clock-names: from common clock binding:
Required elements: "24m"
- rockchip,grf: phandle to the syscon managing the "general register files"
- #phy-cells : from the generic PHY bindings, must be 0;
Example:
edp_phy: edp-phy {
compatible = "rockchip,rk3288-dp-phy";
rockchip,grf = <&grf>;
clocks = <&cru SCLK_EDP_24M>;
clock-names = "24m";
#phy-cells = <0>;
grf: syscon@ff770000 {
compatible = "rockchip,rk3288-grf", "syscon", "simple-mfd";
...
edp_phy: edp-phy {
compatible = "rockchip,rk3288-dp-phy";
clocks = <&cru SCLK_EDP_24M>;
clock-names = "24m";
#phy-cells = <0>;
};
};

22
Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt
View File

@ -3,17 +3,23 @@ Rockchip EMMC PHY
Required properties:
- compatible: rockchip,rk3399-emmc-phy
- rockchip,grf : phandle to the syscon managing the "general
register files"
- #phy-cells: must be 0
- reg: PHY configure reg address offset in "general
- reg: PHY register address offset and length in "general
register files"
Example:
emmcphy: phy {
compatible = "rockchip,rk3399-emmc-phy";
rockchip,grf = <&grf>;
reg = <0xf780>;
#phy-cells = <0>;
grf: syscon@ff770000 {
compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
#address-cells = <1>;
#size-cells = <1>;
...
emmcphy: phy@f780 {
compatible = "rockchip,rk3399-emmc-phy";
reg = <0xf780 0x20>;
#phy-cells = <0>;
};
};

7
drivers/phy/phy-rockchip-dp.c
View File

@ -86,6 +86,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
if (!np)
return -ENODEV;
if (!dev->parent || !dev->parent->of_node)
return -ENODEV;
dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
if (IS_ERR(dp))
return -ENOMEM;
@ -104,9 +107,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
return ret;
}
dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
dp->grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(dp->grf)) {
dev_err(dev, "rk3288-dp needs rockchip,grf property\n");
dev_err(dev, "rk3288-dp needs the General Register Files syscon\n");
return PTR_ERR(dp->grf);
}

5
drivers/phy/phy-rockchip-emmc.c
View File

@ -176,7 +176,10 @@ static int rockchip_emmc_phy_probe(struct platform_device *pdev)
struct regmap *grf;
unsigned int reg_offset;
grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf");
if (!dev->parent || !dev->parent->of_node)
return -ENODEV;
grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(grf)) {
dev_err(dev, "Missing rockchip,grf property\n");
return PTR_ERR(grf);