From c61dfeb17581d32360a817ba40636aaed85caade Mon Sep 17 00:00:00 2001 From: Roman Byshko Date: Fri, 7 Feb 2014 16:21:50 +0100 Subject: [PATCH] clk: sunxi: Add USB clock register defintions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add register definitions for the usb-clk register found on sun4i, sun5i and sun7i SoCs. Signed-off-by: Roman Byshko Signed-off-by: Hans de Goede Acked-by: Maxime Ripard Signed-off-by: Emilio López --- Documentation/devicetree/bindings/clock/sunxi.txt | 5 +++++ drivers/clk/sunxi/clk-sunxi.c | 12 ++++++++++++ 2 files changed, 17 insertions(+) --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -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. @@ -49,6 +51,9 @@ Required properties for all clocks: Additionally, "allwinner,*-gates-clk" clocks require: - clock-output-names : the corresponding gate names that the clock controls +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 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -816,6 +816,16 @@ static const struct gates_data sun7i_a20 .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_gat {.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,}, {} };