Merge tag 'sunxi-clocks-for-4.2' of https://git.kernel.org/pub/scm/linux/kernel/git...

Allwinner clocks additions for 4.2

One error fix, and one patch to add support for the USB clock found on the
Allwinner A23 and A33

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index 4fa11af..8a47b77 100644 (file)
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -67,6 +67,7 @@ Required properties:
        "allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20
        "allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13
        "allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31
+       "allwinner,sun8i-a23-usb-clk" - for usb gates + resets on A23
        "allwinner,sun9i-a80-usb-mod-clk" - for usb gates + resets on A80
        "allwinner,sun9i-a80-usb-phy-clk" - for usb phy gates + resets on A80
 

diff --git a/drivers/clk/sunxi/clk-sun9i-core.c b/drivers/clk/sunxi/clk-sun9i-core.c
index d8da77d..887f4ea 100644 (file)
--- a/drivers/clk/sunxi/clk-sun9i-core.c
+++ b/drivers/clk/sunxi/clk-sun9i-core.c
@@ -93,7 +93,7 @@ static void __init sun9i_a80_pll4_setup(struct device_node *node)
        void __iomem *reg;
 
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-       if (!reg) {
+       if (IS_ERR(reg)) {
                pr_err("Could not get registers for a80-pll4-clk: %s\n",
                       node->name);
                return;
@@ -154,7 +154,7 @@ static void __init sun9i_a80_gt_setup(struct device_node *node)
        struct clk *gt;
 
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-       if (!reg) {
+       if (IS_ERR(reg)) {
                pr_err("Could not get registers for a80-gt-clk: %s\n",
                       node->name);
                return;
@@ -218,7 +218,7 @@ static void __init sun9i_a80_ahb_setup(struct device_node *node)
        void __iomem *reg;
 
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-       if (!reg) {
+       if (IS_ERR(reg)) {
                pr_err("Could not get registers for a80-ahb-clk: %s\n",
                       node->name);
                return;
@@ -244,7 +244,7 @@ static void __init sun9i_a80_apb0_setup(struct device_node *node)
        void __iomem *reg;
 
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-       if (!reg) {
+       if (IS_ERR(reg)) {
                pr_err("Could not get registers for a80-apb0-clk: %s\n",
                       node->name);
                return;
@@ -310,7 +310,7 @@ static void __init sun9i_a80_apb1_setup(struct device_node *node)
        void __iomem *reg;
 
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
-       if (!reg) {
+       if (IS_ERR(reg)) {
                pr_err("Could not get registers for a80-apb1-clk: %s\n",
                       node->name);
                return;

diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 7e1e2bd..9a82f17 100644 (file)
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -198,6 +198,8 @@ static void __init sun6i_ahb1_clk_setup(struct device_node *node)
        int i = 0;
 
        reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+       if (IS_ERR(reg))
+               return;
 
        /* we have a mux, we will have >1 parents */
        while (i < SUN6I_AHB1_MAX_PARENTS &&

diff --git a/drivers/clk/sunxi/clk-usb.c b/drivers/clk/sunxi/clk-usb.c
index a86ed2f..3a25f95 100644 (file)
--- a/drivers/clk/sunxi/clk-usb.c
+++ b/drivers/clk/sunxi/clk-usb.c
@@ -204,6 +204,17 @@ static void __init sun6i_a31_usb_setup(struct device_node *node)
 }
 CLK_OF_DECLARE(sun6i_a31_usb, "allwinner,sun6i-a31-usb-clk", sun6i_a31_usb_setup);
 
+static const struct usb_clk_data sun8i_a23_usb_clk_data __initconst = {
+       .clk_mask = BIT(16) | BIT(11) | BIT(10) | BIT(9) | BIT(8),
+       .reset_mask = BIT(2) | BIT(1) | BIT(0),
+};
+
+static void __init sun8i_a23_usb_setup(struct device_node *node)
+{
+       sunxi_usb_clk_setup(node, &sun8i_a23_usb_clk_data, &sun4i_a10_usb_lock);
+}
+CLK_OF_DECLARE(sun8i_a23_usb, "allwinner,sun8i-a23-usb-clk", sun8i_a23_usb_setup);
+
 static const struct usb_clk_data sun9i_a80_usb_mod_data __initconst = {
        .clk_mask = BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1),
        .reset_mask = BIT(19) | BIT(18) | BIT(17),