From mboxrd@z Thu Jan 1 00:00:00 1970 From: Naveen Krishna Chatradhi Subject: [PATCH 3/4 v2] Documentation: dt-bindings: update exynos-adc.txt with syscon handle Date: Thu, 17 Jul 2014 16:49:52 +0530 Message-ID: <1405595993-16661-4-git-send-email-ch.naveen@samsung.com> References: <1405595993-16661-1-git-send-email-ch.naveen@samsung.com> Return-path: In-reply-to: <1405595993-16661-1-git-send-email-ch.naveen-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cw00.choi-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, naveenkrishna.ch-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org, cpgs-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, grundler-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org List-Id: devicetree@vger.kernel.org This patch updates the DT bindings in exynos-adc.txt with the syscon phandle to the ADC nodes. Also removes the 2nd "reg" property, which used to carry the ADC_PHY regiser base from PMU. Signed-off-by: Naveen Krishna Chatradhi To: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- Changes since v1: rebased on top of Changwoo's v5 ADC patches for exynos3250 iio: adc: exynos_adc: Support Exynos3250 ADC and code clean https://lkml.org/lkml/2014/6/27/16 .../devicetree/bindings/iio/adc/exynos-adc.txt | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt b/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt index 0b0ed85..1634df3 100644 --- a/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/exynos-adc.txt @@ -1,10 +1,11 @@ Samsung Exynos Analog to Digital Converter bindings The devicetree bindings are for the new ADC driver written for -Exynos4 and upward SoCs from Samsung. +Exynos4 and Exynos5 series SoCs from Samsung. +Now supports Exynos3250 too. New driver handles the following -1. Supports ADC IF found on EXYNOS4412/EXYNOS5250 +1. Supports ADC IF found on Exynos3250/EXYNOS4412/EXYNOS5 series and future SoCs from Samsung 2. Add ADC driver under iio/adc framework 3. Also adds the Documentation for device tree bindings @@ -18,7 +19,7 @@ Required properties: for controllers compatible with ADC of Exynos3250. - reg: Contains ADC register address range (base address and - length) and the address of the phy enable register. + length) - interrupts: Contains the interrupt information for the timer. The format is being dependent on which interrupt controller the Samsung device uses. @@ -31,6 +32,8 @@ Required properties: - "sclk_adc" : ADC special clock (only for Exynos3250 and compatible ADC block) - vdd-supply VDD input supply. +- samsung,syscon-phandle Contains the PMU system controller node + (To access the ADC_PHY register) Note: child nodes can be added for auto probing from device tree. @@ -38,7 +41,7 @@ Example: adding device info in dtsi file adc: adc@12D10000 { compatible = "samsung,exynos-adc-v1"; - reg = <0x12D10000 0x100>, <0x10040718 0x4>; + reg = <0x12D10000 0x100>; interrupts = <0 106 0>; #io-channel-cells = <1>; io-channel-ranges; @@ -47,13 +50,14 @@ adc: adc@12D10000 { clock-names = "adc"; vdd-supply = <&buck5_reg>; + samsung,syscon-phandle = <&pmu_system_controller>; }; Example: adding device info in dtsi file for Exynos3250 with additional sclk adc: adc@126C0000 { compatible = "samsung,exynos3250-adc-v2"; - reg = <0x126C0000 0x100>, <0x10020718 0x4>; + reg = <0x126C0000 0x100>; interrupts = <0 137 0>; #io-channel-cells = <1>; io-channel-ranges; @@ -62,6 +66,7 @@ adc: adc@126C0000 { clock-names = "adc", "sclk_adc"; vdd-supply = <&buck5_reg>; + samsung,syscon-phandle = <&pmu_system_controller>; }; Example: Adding child nodes in dts file -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html