From 7786da3b5ae167c17f35e22ba35e06006338c2f6 Mon Sep 17 00:00:00 2001
From: Simon Xue <xxm@rock-chips.com>
Date: Mon, 12 Jul 2021 09:45:07 +0800
Subject: iio: adc: rockchip_saradc: add support for rk3568 saradc
It is similar to other devices, but with 8 channels.
Signed-off-by: Simon Xue <xxm@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20210712014507.97477-1-xxm@rock-chips.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/rockchip_saradc.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)
(limited to 'drivers/iio/adc')
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index 12584f1631d8..f3eb8d2e50dc 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -35,7 +35,7 @@
#define SARADC_DLY_PU_SOC_MASK 0x3f
#define SARADC_TIMEOUT msecs_to_jiffies(100)
-#define SARADC_MAX_CHANNELS 6
+#define SARADC_MAX_CHANNELS 8
struct rockchip_saradc_data {
const struct iio_chan_spec *channels;
@@ -192,6 +192,23 @@ static const struct rockchip_saradc_data rk3399_saradc_data = {
.clk_rate = 1000000,
};
+static const struct iio_chan_spec rockchip_rk3568_saradc_iio_channels[] = {
+ SARADC_CHANNEL(0, "adc0", 10),
+ SARADC_CHANNEL(1, "adc1", 10),
+ SARADC_CHANNEL(2, "adc2", 10),
+ SARADC_CHANNEL(3, "adc3", 10),
+ SARADC_CHANNEL(4, "adc4", 10),
+ SARADC_CHANNEL(5, "adc5", 10),
+ SARADC_CHANNEL(6, "adc6", 10),
+ SARADC_CHANNEL(7, "adc7", 10),
+};
+
+static const struct rockchip_saradc_data rk3568_saradc_data = {
+ .channels = rockchip_rk3568_saradc_iio_channels,
+ .num_channels = ARRAY_SIZE(rockchip_rk3568_saradc_iio_channels),
+ .clk_rate = 1000000,
+};
+
static const struct of_device_id rockchip_saradc_match[] = {
{
.compatible = "rockchip,saradc",
@@ -202,6 +219,9 @@ static const struct of_device_id rockchip_saradc_match[] = {
}, {
.compatible = "rockchip,rk3399-saradc",
.data = &rk3399_saradc_data,
+ }, {
+ .compatible = "rockchip,rk3568-saradc",
+ .data = &rk3568_saradc_data,
},
{},
};
--
cgit