Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965985AbcCPJiL (ORCPT ); Wed, 16 Mar 2016 05:38:11 -0400 Received: from lucky1.263xmail.com ([211.157.147.132]:34359 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753680AbcCPJiH (ORCPT ); Wed, 16 Mar 2016 05:38:07 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: david.wu@rock-chips.com X-FST-TO: jic23@kernel.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: david.wu@rock-chips.com X-UNIQUE-TAG: <1dd78d43f66ecef51020f4c7ab286ae6> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: David Wu To: jic23@kernel.org, heiko@sntech.de Cc: knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, huangtao@rock-chips.com, xjq@rock-chips.com, zyw@rock-chips.com, cf@rock-chips.com, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, david.wu@rock-chips.com Subject: [PATCH] iio: adc: rockchip_saradc: add saradc support for rk3399 Date: Wed, 16 Mar 2016 01:44:15 +0800 Message-Id: <1458063855-4154-1-git-send-email-david.wu@rock-chips.com> X-Mailer: git-send-email 1.9.1 Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2363 Lines: 66 The ADC is a 6-channel signal-ended 10-bit Successive Approximation Register (SAR) A/D Converter. Signed-off-by: David Wu --- .../devicetree/bindings/iio/adc/rockchip-saradc.txt | 6 +++++- drivers/iio/adc/rockchip_saradc.c | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt index a9a5fe1..bf99e2f 100644 --- a/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt +++ b/Documentation/devicetree/bindings/iio/adc/rockchip-saradc.txt @@ -1,7 +1,11 @@ Rockchip Successive Approximation Register (SAR) A/D Converter bindings Required properties: -- compatible: Should be "rockchip,saradc" or "rockchip,rk3066-tsadc" +- compatible: should be "rockchip,-saradc" or "rockchip,rk3066-tsadc" + - "rockchip,saradc": for rk3188, rk3288 + - "rockchip,rk3066-tsadc": for rk3036 + - "rockchip,rk3399-saradc": for rk3399 + - reg: physical base address of the controller and length of memory mapped region. - interrupts: The interrupt number to the cpu. The interrupt specifier format diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 9c311c1..f9ad6c2 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -159,6 +159,22 @@ static const struct rockchip_saradc_data rk3066_tsadc_data = { .clk_rate = 50000, }; +static const struct iio_chan_spec rockchip_rk3399_saradc_iio_channels[] = { + ADC_CHANNEL(0, "adc0"), + ADC_CHANNEL(1, "adc1"), + ADC_CHANNEL(2, "adc2"), + ADC_CHANNEL(3, "adc3"), + ADC_CHANNEL(4, "adc4"), + ADC_CHANNEL(5, "adc5"), +}; + +static const struct rockchip_saradc_data rk3399_saradc_data = { + .num_bits = 10, + .channels = rockchip_rk3399_saradc_iio_channels, + .num_channels = ARRAY_SIZE(rockchip_rk3399_saradc_iio_channels), + .clk_rate = 1000000, +}; + static const struct of_device_id rockchip_saradc_match[] = { { .compatible = "rockchip,saradc", @@ -166,6 +182,9 @@ static const struct of_device_id rockchip_saradc_match[] = { }, { .compatible = "rockchip,rk3066-tsadc", .data = &rk3066_tsadc_data, + }, { + .compatible = "rockchip,rk3399-saradc", + .data = &rk3399_saradc_data, }, {}, }; -- 1.9.1