diff options
| author | Finley Xiao <finley.xiao@rock-chips.com> | 2017-12-15 14:06:08 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-19 10:39:33 +0100 |
| commit | 32277723ba7e9af0201df2341a3e71ea27605759 (patch) | |
| tree | 670d79bbc4414fc81b6dfc50280f01e96c82db07 | |
| parent | 683618b0639387c5eda79b2f2753c35f3dd648d7 (diff) | |
nvmem: rockchip-efuse: parse 'rockchip,efuse-size'
The eFuse size is defined in property <reg> before, but the length
of registers is not equal to the size on some platforms, so we
add a new property to redefine it.
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt | 4 | ||||
| -rw-r--r-- | drivers/nvmem/rockchip-efuse.c | 4 |
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; |