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authorIcenowy Zheng <icenowy@aosc.io>2017-10-24 10:54:34 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-11-08 14:19:06 +0100
commitb7fe57b802c4f12da20920229acb9fff92300ad4 (patch)
tree2d57149b87d3e1c909d323826b66ab3ba03ba988 /drivers/nvmem
parentaef9a4de2afa25c02b1d112211ce29e6453ad210 (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>
Diffstat (limited to 'drivers/nvmem')
-rw-r--r--drivers/nvmem/sunxi_sid.c6
1 files changed, 6 insertions, 0 deletions
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);