[PATCH v3 03/13] clk: sunxi: Add APB1 clock for A83T

From: Vishnu Patekar
Date: Sat Mar 05 2016 - 10:43:55 EST


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

This adds support for apb1 on A83T.

Signed-off-by: Vishnu Patekar <vishnupatekar0510@xxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/clock/sunxi.txt | 1 +
drivers/clk/sunxi/clk-sunxi.c | 13 +++++++++++++
2 files changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index 2ee7841..dd24772 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 0ae1f09..987a12d 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -863,6 +863,12 @@ static const struct div_data sun4i_apb0_data __initconst = {
.table = sun4i_apb0_table,
};

+static const struct div_data sun8i_a83t_apb1_data __initconst = {
+ .shift = 8,
+ .pow = 0,
+ .width = 2,
+};
+
static void __init sunxi_divider_clk_setup(struct device_node *node,
const struct div_data *data)
{
@@ -899,6 +905,13 @@ static void __init sun4i_apb0_clk_setup(struct device_node *node)
CLK_OF_DECLARE(sun4i_apb0, "allwinner,sun4i-a10-apb0-clk",
sun4i_apb0_clk_setup);

+static void __init sun8i_a83t_apb1_clk_setup(struct device_node *node)
+{
+ sunxi_divider_clk_setup(node, &sun8i_a83t_apb1_data);
+}
+CLK_OF_DECLARE(sun8i_a83t_apb1, "allwinner,sun8i-a83t-apb1-clk",
+ sun8i_a83t_apb1_clk_setup);
+
static void __init sun4i_axi_clk_setup(struct device_node *node)
{
sunxi_divider_clk_setup(node, &sun4i_axi_data);
--
1.9.1