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clk: sunxi: Add USB clock register defintions

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Add register definitions for the usb-clk register found on sun4i, sun5i and
sun7i SoCs.

Signed-off-by: Roman Byshko <rbyshko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
This commit is contained in:
Roman Byshko 2014-02-07 16:21:50 +01:00 committed by Emilio López
parent cfb0086dca
commit 5abdbf2f49
2 changed files with 17 additions and 0 deletions
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5
Documentation/devicetree/bindings/clock/sunxi.txt
View file

@ -37,6 +37,8 @@ Required properties:
"allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31
"allwinner,sun4i-mod0-clk" - for the module 0 family of clocks
"allwinner,sun7i-a20-out-clk" - for the external output clocks
"allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20
"allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13
Required properties for all clocks:
- reg : shall be the control register address for the clock.
@ -50,6 +52,9 @@ Required properties for all clocks:
If the clock module only has one output, the name shall be the
module name.
And "allwinner,*-usb-clk" clocks also require:
- reset-cells : shall be set to 1
Clock consumers should specify the desired clocks they use with a
"clocks" phandle cell. Consumers that are using a gated clock should
provide an additional ID in their clock property. This ID is the

12
drivers/clk/sunxi/clk-sunxi.c
View file

@ -816,6 +816,16 @@ static const struct gates_data sun7i_a20_apb1_gates_data __initconst = {
.mask = { 0xff80ff },
};
static const struct gates_data sun4i_a10_usb_gates_data __initconst = {
.mask = {0x1C0},
.reset_mask = 0x07,
};
static const struct gates_data sun5i_a13_usb_gates_data __initconst = {
.mask = {0x140},
.reset_mask = 0x03,
};
static void __init sunxi_gates_clk_setup(struct device_node *node,
struct gates_data *data)
{
@ -1107,6 +1117,8 @@ static const struct of_device_id clk_gates_match[] __initconst = {
{.compatible = "allwinner,sun6i-a31-apb1-gates-clk", .data = &sun6i_a31_apb1_gates_data,},
{.compatible = "allwinner,sun7i-a20-apb1-gates-clk", .data = &sun7i_a20_apb1_gates_data,},
{.compatible = "allwinner,sun6i-a31-apb2-gates-clk", .data = &sun6i_a31_apb2_gates_data,},
{.compatible = "allwinner,sun4i-a10-usb-clk", .data = &sun4i_a10_usb_gates_data,},
{.compatible = "allwinner,sun5i-a13-usb-clk", .data = &sun5i_a13_usb_gates_data,},
{}
};