From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
To: linux-snps-arc@lists.infradead.org,
Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: linux-kernel@vger.kernel.org,
Alexey Brodkin <Alexey.Brodkin@synopsys.com>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org,
Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Subject: [PATCH 2/2] ARC: [plat-hsdk]: Enable on-boardi SPI ADC IC
Date: Fri, 18 Oct 2019 14:11:26 +0300 [thread overview]
Message-ID: <20191018111126.5246-3-Eugeniy.Paltsev@synopsys.com> (raw)
In-Reply-To: <20191018111126.5246-1-Eugeniy.Paltsev@synopsys.com>
HSDK board has adc108s102 SPI ADC IC installed, enable it.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
arch/arc/boot/dts/hsdk.dts | 15 +++++++++++++++
arch/arc/configs/hsdk_defconfig | 4 ++++
2 files changed, 19 insertions(+)
diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
index 9bea5daadd23..9acbeba832c0 100644
--- a/arch/arc/boot/dts/hsdk.dts
+++ b/arch/arc/boot/dts/hsdk.dts
@@ -65,6 +65,14 @@
clock-frequency = <33333333>;
};
+ reg_5v0: regulator-5v0 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "5v0-supply";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+
cpu_intc: cpu-interrupt-controller {
compatible = "snps,archs-intc";
interrupt-controller;
@@ -272,6 +280,13 @@
#size-cells = <1>;
spi-max-frequency = <4000000>;
};
+
+ adc@1 {
+ compatible = "ti,adc108s102";
+ reg = <1>;
+ vref-supply = <®_5v0>;
+ spi-max-frequency = <1000000>;
+ };
};
creg_gpio: gpio@14b0 {
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 22fc70396a3b..0974226fab55 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -57,6 +57,8 @@ CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
CONFIG_DRM_UDL=y
@@ -74,6 +76,8 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
CONFIG_DMADEVICES=y
CONFIG_DW_AXI_DMAC=y
+CONFIG_IIO=y
+CONFIG_TI_ADC108S102=y
CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y
--
2.21.0
next prev parent reply other threads:[~2019-10-18 11:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 11:11 [PATCH 0/2] ARC: [plat-hsdk]: enable on-board SPI peripherals Eugeniy Paltsev
2019-10-18 11:11 ` [PATCH 1/2] ARC: [plat-hsdk]: Enable on-board SPI NOR flash IC Eugeniy Paltsev
2019-10-18 11:11 ` Eugeniy Paltsev [this message]
2019-10-18 13:39 ` [PATCH 0/2] ARC: [plat-hsdk]: enable on-board SPI peripherals Alexey Brodkin
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