summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt4
-rw-r--r--drivers/nvmem/rockchip-efuse.c4
2 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
index 60bec4782806..a6ef46dd1283 100644
--- a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
+++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
@@ -12,6 +12,10 @@ Required properties:
- clocks: Should be the clock id of eFuse
- clock-names: Should be "pclk_efuse"
+Optional properties:
+- rockchip,efuse-size: Should be exact eFuse size in byte, the eFuse
+ size in property <reg> will be invalid if define this property.
+
Deprecated properties:
- compatible: "rockchip,rockchip-efuse"
Old efuse compatible value compatible to rk3066a, rk3188 and rk3288
diff --git a/drivers/nvmem/rockchip-efuse.c b/drivers/nvmem/rockchip-efuse.c
index 123de77ca5d6..a91372816c0a 100644
--- a/drivers/nvmem/rockchip-efuse.c
+++ b/drivers/nvmem/rockchip-efuse.c
@@ -217,7 +217,9 @@ static int rockchip_efuse_probe(struct platform_device *pdev)
return PTR_ERR(efuse->clk);
efuse->dev = &pdev->dev;
- econfig.size = resource_size(res);
+ if (of_property_read_u32(dev->of_node, "rockchip,efuse-size",
+ &econfig.size))
+ econfig.size = resource_size(res);
econfig.reg_read = match->data;
econfig.priv = efuse;
econfig.dev = efuse->dev;