drivers/clk/sunxi/clk-sunxi.c | 37 +++++++++++++++++++++++
2 files changed, 38 insertions(+)
-diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
-index e840cb2..941bd93 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -15,6 +15,7 @@ Required properties:
"allwinner,sun4i-ahb-gates-clk" - for the AHB gates on A10
"allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13
"allwinner,sun5i-a10s-ahb-gates-clk" - for the AHB gates on A10s
-diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
-index ea3edeb..625089b 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
-@@ -249,7 +249,32 @@ static void sun4i_get_pll5_factors(u32 *freq, u32 parent_rate,
+@@ -249,7 +249,32 @@ static void sun4i_get_pll5_factors(u32 *
*n = DIV_ROUND_UP(div, (*k+1));
}
+ * AHB rate is calculated as follows
+ * rate = parent_rate >> p
+ */
-
++
+static void sun5i_a13_get_ahb_factors(u32 *freq, u32 parent_rate,
+ u8 *n, u8 *k, u8 *m, u8 *p)
+{
+ /* we were called to round the frequency, we can now return */
+ if (n == NULL)
+ return;
-+
+
+ *p = div;
+}
/**
* sun4i_get_apb1_factors() - calculates m, p factors for APB1
-@@ -375,6 +400,11 @@ struct factors_data {
+@@ -375,6 +400,11 @@ static struct clk_factors_config sun4i_p
.kwidth = 2,
};
static struct clk_factors_config sun4i_apb1_config = {
.mshift = 0,
.mwidth = 5,
-@@ -408,6 +438,12 @@ struct factors_data {
+@@ -408,6 +438,12 @@ static const struct factors_data sun4i_p
.getter = sun4i_get_pll5_factors,
};
+};
+
static const struct factors_data sun4i_apb1_data __initconst = {
- .mux = 24,
.table = &sun4i_apb1_config,
-@@ -913,6 +949,7 @@ static void __init sunxi_divs_clk_setup(struct device_node *node,
+ .getter = sun4i_get_apb1_factors,
+@@ -916,6 +952,7 @@ free_clkdata:
static const struct of_device_id clk_factors_match[] __initconst = {
{.compatible = "allwinner,sun4i-pll1-clk", .data = &sun4i_pll1_data,},
{.compatible = "allwinner,sun6i-a31-pll1-clk", .data = &sun6i_a31_pll1_data,},
{.compatible = "allwinner,sun4i-apb1-clk", .data = &sun4i_apb1_data,},
{.compatible = "allwinner,sun4i-mod0-clk", .data = &sun4i_mod0_data,},
{}
---
-1.8.5.1
-