[PATCH 05/14] clk: sunxi: Add APB1 clock for A83T

Vishnu Patekar
2016-01-31T01:20:57Z

APB1 is similar to sun4i-a10-apb0-clk, except different dividers.

This adds support for apb1 on A83T.

Signed-off-by: Vishnu Patekar <vishnupatekar0510@gmail.com>
---
Documentation/devicetree/bindings/clock/sunxi.txt | 1 +
drivers/clk/sunxi/clk-sunxi.c | 17 +++++++++++++++++
2 files changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index bfd82f1..10637e7 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -49,6 +49,7 @@ Required properties:
"allwinner,sun8i-a23-apb0-gates-clk" - for the APB0 gates on A23
"allwinner,sun9i-a80-apb0-gates-clk" - for the APB0 gates on A80
"allwinner,sun4i-a10-apb1-clk" - for the APB1 clock
+ "allwinner,sun8i-a83t-apb1-clk" - for the APB1 clock on A83T
"allwinner,sun9i-a80-apb1-clk" - for the APB1 bus clock on A80
"allwinner,sun4i-a10-apb1-gates-clk" - for the APB1 gates on A10
"allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 02bbdf6..6510b0e 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -772,6 +772,22 @@ static const struct div_data sun4i_apb0_data __initconst = {
.table = sun4i_apb0_table,
};

+
+static const struct clk_div_table sun8i_a83t_apb1_table[] __initconst = {
+ { .val = 0, .div = 1 },
+ { .val = 1, .div = 2 },
+ { .val = 2, .div = 3 },
+ { .val = 3, .div = 4 },
+ { } /* sentinel */
+};
+
+static const struct div_data sun8i_a83t_apb1_data __initconst = {
+ .shift = 8,
+ .pow = 0,
+ .width = 2,
+ .table = sun8i_a83t_apb1_table,
+};
+
static void __init sunxi_divider_clk_setup(struct device_node *node,
struct div_data *data)
{
@@ -1027,6 +1043,7 @@ static const struct of_device_id clk_div_match[] __initconst = {
{.compatible = "allwinner,sun8i-a23-axi-clk", .data = &sun8i_a23_axi_data,},
{.compatible = "allwinner,sun4i-a10-ahb-clk", .data = &sun4i_ahb_data,},
{.compatible = "allwinner,sun4i-a10-apb0-clk", .data = &sun4i_apb0_data,},
+ {.compatible = "allwinner,sun8i-a83t-apb1-clk", .data = &sun8i_a83t_apb1_data,},
{}
};

--
1.9.1