diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.14/131-reset-add-h3-resets.patch')
-rw-r--r-- | target/linux/sunxi/patches-4.14/131-reset-add-h3-resets.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/target/linux/sunxi/patches-4.14/131-reset-add-h3-resets.patch b/target/linux/sunxi/patches-4.14/131-reset-add-h3-resets.patch deleted file mode 100644 index 8e8fdafca5..0000000000 --- a/target/linux/sunxi/patches-4.14/131-reset-add-h3-resets.patch +++ /dev/null @@ -1,92 +0,0 @@ -From 5f0bb9d0bc545ef53a83f7bd176fdc0736eed8e5 Mon Sep 17 00:00:00 2001 -From: Jens Kuske <jenskuske@gmail.com> -Date: Tue, 27 Oct 2015 17:50:24 +0100 -Subject: [PATCH] reset: sunxi: Add Allwinner H3 bus resets - -The H3 bus resets have some holes between the registers, so we add -an of_xlate() function to skip them according to the datasheet. - -Signed-off-by: Jens Kuske <jenskuske@gmail.com> ---- - .../bindings/reset/allwinner,sunxi-clock-reset.txt | 1 + - drivers/reset/reset-sunxi.c | 30 +++++++++++++++++++--- - 2 files changed, 28 insertions(+), 3 deletions(-) - ---- a/Documentation/devicetree/bindings/reset/allwinner,sunxi-clock-reset.txt -+++ b/Documentation/devicetree/bindings/reset/allwinner,sunxi-clock-reset.txt -@@ -8,6 +8,7 @@ Required properties: - - compatible: Should be one of the following: - "allwinner,sun6i-a31-ahb1-reset" - "allwinner,sun6i-a31-clock-reset" -+ "allwinner,sun8i-h3-bus-reset" - - reg: should be register base and length as documented in the - datasheet - - #reset-cells: 1, see below ---- a/drivers/reset/reset-sunxi.c -+++ b/drivers/reset/reset-sunxi.c -@@ -77,7 +77,9 @@ static const struct reset_control_ops su - .deassert = sunxi_reset_deassert, - }; - --static int sunxi_reset_init(struct device_node *np) -+static int sunxi_reset_init(struct device_node *np, -+ int (*of_xlate)(struct reset_controller_dev *rcdev, -+ const struct of_phandle_args *reset_spec)) - { - struct sunxi_reset_data *data; - struct resource res; -@@ -110,6 +112,7 @@ static int sunxi_reset_init(struct devic - data->rcdev.nr_resets = size * 8; - data->rcdev.ops = &sunxi_reset_ops; - data->rcdev.of_node = np; -+ data->rcdev.of_xlate = of_xlate; - - return reset_controller_register(&data->rcdev); - -@@ -118,6 +121,21 @@ err_alloc: - return ret; - }; - -+static int sun8i_h3_bus_reset_xlate(struct reset_controller_dev *rcdev, -+ const struct of_phandle_args *reset_spec) -+{ -+ unsigned int index = reset_spec->args[0]; -+ -+ if (index < 96) -+ return index; -+ else if (index < 128) -+ return index + 32; -+ else if (index < 160) -+ return index + 64; -+ else -+ return -EINVAL; -+} -+ - /* - * These are the reset controller we need to initialize early on in - * our system, before we can even think of using a regular device -@@ -125,15 +143,21 @@ err_alloc: - */ - static const struct of_device_id sunxi_early_reset_dt_ids[] __initconst = { - { .compatible = "allwinner,sun6i-a31-ahb1-reset", }, -+ { .compatible = "allwinner,sun8i-h3-bus-reset", .data = sun8i_h3_bus_reset_xlate, }, - { /* sentinel */ }, - }; - - void __init sun6i_reset_init(void) - { - struct device_node *np; -- -- for_each_matching_node(np, sunxi_early_reset_dt_ids) -- sunxi_reset_init(np); -+ const struct of_device_id *match; -+ int (*of_xlate)(struct reset_controller_dev *rcdev, -+ const struct of_phandle_args *reset_spec); -+ -+ for_each_matching_node_and_match(np, sunxi_early_reset_dt_ids, &match) { -+ of_xlate = match->data; -+ sunxi_reset_init(np, of_xlate); -+ } - } - - /* |