sunxi: drop 3.14 support
[openwrt/openwrt.git] / target / linux / sunxi / patches-3.14 / 184-clk-sunxi-add-pll6-on-a31.patch
diff --git a/target/linux/sunxi/patches-3.14/184-clk-sunxi-add-pll6-on-a31.patch b/target/linux/sunxi/patches-3.14/184-clk-sunxi-add-pll6-on-a31.patch
deleted file mode 100644 (file)
index 7193c50..0000000
+++ /dev/null
@@ -1,104 +0,0 @@
-From c225f78660cd61914f25dd00499c7ae71d1d6919 Mon Sep 17 00:00:00 2001
-From: Maxime Ripard <maxime.ripard@free-electrons.com>
-Date: Wed, 5 Feb 2014 14:05:03 +0100
-Subject: [PATCH] clk: sunxi: Add support for PLL6 on the A31
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-The A31 has a slightly different PLL6 clock. Add support for this new clock in
-our driver.
-
-Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
-Signed-off-by: Emilio López <emilio@elopez.com.ar>
----
- Documentation/devicetree/bindings/clock/sunxi.txt |  1 +
- drivers/clk/sunxi/clk-sunxi.c                     | 45 +++++++++++++++++++++++
- 2 files changed, 46 insertions(+)
-
---- a/Documentation/devicetree/bindings/clock/sunxi.txt
-+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
-@@ -11,6 +11,7 @@ Required properties:
-       "allwinner,sun6i-a31-pll1-clk" - for the main PLL clock on A31
-       "allwinner,sun4i-pll5-clk" - for the PLL5 clock
-       "allwinner,sun4i-pll6-clk" - for the PLL6 clock
-+      "allwinner,sun6i-a31-pll6-clk" - for the PLL6 clock on A31
-       "allwinner,sun4i-cpu-clk" - for the CPU multiplexer clock
-       "allwinner,sun4i-axi-clk" - for the AXI clock
-       "allwinner,sun4i-axi-gates-clk" - for the AXI gates
---- a/drivers/clk/sunxi/clk-sunxi.c
-+++ b/drivers/clk/sunxi/clk-sunxi.c
-@@ -252,7 +252,38 @@ static void sun4i_get_pll5_factors(u32 *
-       *n = DIV_ROUND_UP(div, (*k+1));
- }
-+/**
-+ * sun6i_a31_get_pll6_factors() - calculates n, k factors for A31 PLL6
-+ * PLL6 rate is calculated as follows
-+ * rate = parent_rate * n * (k + 1) / 2
-+ * parent_rate is always 24Mhz
-+ */
-+
-+static void sun6i_a31_get_pll6_factors(u32 *freq, u32 parent_rate,
-+                                     u8 *n, u8 *k, u8 *m, u8 *p)
-+{
-+      u8 div;
-+
-+      /*
-+       * We always have 24MHz / 2, so we can just say that our
-+       * parent clock is 12MHz.
-+       */
-+      parent_rate = parent_rate / 2;
-+
-+      /* Normalize value to a parent_rate multiple (24M / 2) */
-+      div = *freq / parent_rate;
-+      *freq = parent_rate * div;
-+
-+      /* we were called to round the frequency, we can now return */
-+      if (n == NULL)
-+              return;
-+      *k = div / 32;
-+      if (*k > 3)
-+              *k = 3;
-+
-+      *n = DIV_ROUND_UP(div, (*k+1));
-+}
- /**
-  * sun4i_get_apb1_factors() - calculates m, p factors for APB1
-@@ -420,6 +451,13 @@ static struct clk_factors_config sun4i_p
-       .kwidth = 2,
- };
-+static struct clk_factors_config sun6i_a31_pll6_config = {
-+      .nshift = 8,
-+      .nwidth = 5,
-+      .kshift = 4,
-+      .kwidth = 2,
-+};
-+
- static struct clk_factors_config sun4i_apb1_config = {
-       .mshift = 0,
-       .mwidth = 5,
-@@ -469,6 +507,12 @@ static const struct factors_data sun4i_p
-       .name = "pll6",
- };
-+static const struct factors_data sun6i_a31_pll6_data __initconst = {
-+      .enable = 31,
-+      .table = &sun6i_a31_pll6_config,
-+      .getter = sun6i_a31_get_pll6_factors,
-+};
-+
- static const struct factors_data sun4i_apb1_data __initconst = {
-       .table = &sun4i_apb1_config,
-       .getter = sun4i_get_apb1_factors,
-@@ -1069,6 +1113,7 @@ 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,sun6i-a31-pll6-clk", .data = &sun6i_a31_pll6_data,},
-       {.compatible = "allwinner,sun4i-apb1-clk", .data = &sun4i_apb1_data,},
-       {.compatible = "allwinner,sun4i-mod0-clk", .data = &sun4i_mod0_data,},
-       {.compatible = "allwinner,sun7i-a20-out-clk", .data = &sun7i_a20_out_data,},