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iio: adc: rockchip_saradc: add rv1126b support

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Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Simon Xue <xxm@rock-chips.com>
Change-Id: I86c9a153a25ba3955c40e4879c45bd3bd6c4f179
This commit is contained in:
Ziyuan Xu
2025-03-24 10:59:58 +08:00
committed by Tao Huang
parent 4ac3d1b2b7
commit c60e19be11
1 changed files with 30 additions and 1 deletions
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31
drivers/iio/adc/rockchip_saradc.c
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@@ -64,6 +64,7 @@ struct rockchip_saradc_data {
void (*start)(struct rockchip_saradc *info, int chn);
int (*read)(struct rockchip_saradc *info);
void (*power_down)(struct rockchip_saradc *info);
unsigned int das_soc_data;
};
struct rockchip_saradc {
@@ -113,7 +114,12 @@ static void rockchip_saradc_start_v2(struct rockchip_saradc *info,
if (info->reset)
rockchip_saradc_reset_controller(info->reset);
writel_relaxed(0xc, info->regs + SARADC_T_DAS_SOC);
if (info->data->das_soc_data)
writel_relaxed(info->data->das_soc_data,
info->regs + SARADC_T_DAS_SOC);
else
writel_relaxed(0xc, info->regs + SARADC_T_DAS_SOC);
writel_relaxed(0x20, info->regs + SARADC_T_PD_SOC);
val = FIELD_PREP(SARADC2_EN_END_INT, 1);
val |= SARADC2_EN_END_INT << 16;
@@ -414,6 +420,26 @@ static const struct rockchip_saradc_data rv1106_saradc_data = {
.read = rockchip_saradc_read_v2,
};
static const struct iio_chan_spec rockchip_rv1126b_saradc_iio_channels[] = {
SARADC_CHANNEL(0, "adc0", 13),
SARADC_CHANNEL(1, "adc1", 13),
SARADC_CHANNEL(2, "adc2", 13),
SARADC_CHANNEL(3, "adc3", 13),
SARADC_CHANNEL(4, "adc4", 13),
SARADC_CHANNEL(5, "adc5", 13),
SARADC_CHANNEL(6, "adc6", 13),
SARADC_CHANNEL(7, "adc7", 13),
};
static const struct rockchip_saradc_data rv1126b_saradc_data = {
.channels = rockchip_rv1126b_saradc_iio_channels,
.num_channels = ARRAY_SIZE(rockchip_rv1126b_saradc_iio_channels),
.clk_rate = 24000000,
.start = rockchip_saradc_start_v2,
.read = rockchip_saradc_read_v2,
.das_soc_data = 0x14,
};
static const struct of_device_id rockchip_saradc_match[] = {
{
.compatible = "rockchip,saradc",
@@ -439,6 +465,9 @@ static const struct of_device_id rockchip_saradc_match[] = {
}, {
.compatible = "rockchip,rv1106-saradc",
.data = &rv1106_saradc_data,
}, {
.compatible = "rockchip,rv1126b-saradc",
.data = &rv1126b_saradc_data,
},
{},
};