diff options
| author | Icenowy Zheng <icenowy@aosc.io> | 2017-10-24 10:54:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-08 14:19:06 +0100 |
| commit | b7fe57b802c4f12da20920229acb9fff92300ad4 (patch) | |
| tree | 2d57149b87d3e1c909d323826b66ab3ba03ba988 | |
| parent | aef9a4de2afa25c02b1d112211ce29e6453ad210 (diff) | |
nvmem: sunxi-sid: add support for A64/H5's SID controller
Allwinner A64/H5 SoCs come with a SID controller like the one in H3, but
without the silicon bug that makes the initial value at 0x200 wrong, so
the value at 0x200 can be directly read.
Add support for this kind of SID controller.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Rob Herring <robh@kernel.org>
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/allwinner,sunxi-sid.txt | 1 | ||||
| -rw-r--r-- | drivers/nvmem/sunxi_sid.c | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt b/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt index ef06d061913c..6ea0836939ee 100644 --- a/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt +++ b/Documentation/devicetree/bindings/nvmem/allwinner,sunxi-sid.txt @@ -5,6 +5,7 @@ Required properties: "allwinner,sun4i-a10-sid" "allwinner,sun7i-a20-sid" "allwinner,sun8i-h3-sid" + "allwinner,sun50i-a64-sid" - reg: Should contain registers location and length diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c index 1c3b5cf89212..99bd54d85fcb 100644 --- a/drivers/nvmem/sunxi_sid.c +++ b/drivers/nvmem/sunxi_sid.c @@ -198,10 +198,16 @@ static const struct sunxi_sid_cfg sun8i_h3_cfg = { .need_register_readout = true, }; +static const struct sunxi_sid_cfg sun50i_a64_cfg = { + .value_offset = 0x200, + .size = 0x100, +}; + static const struct of_device_id sunxi_sid_of_match[] = { { .compatible = "allwinner,sun4i-a10-sid", .data = &sun4i_a10_cfg }, { .compatible = "allwinner,sun7i-a20-sid", .data = &sun7i_a20_cfg }, { .compatible = "allwinner,sun8i-h3-sid", .data = &sun8i_h3_cfg }, + { .compatible = "allwinner,sun50i-a64-sid", .data = &sun50i_a64_cfg }, {/* sentinel */}, }; MODULE_DEVICE_TABLE(of, sunxi_sid_of_match); |