From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756048AbdCTXyb (ORCPT ); Mon, 20 Mar 2017 19:54:31 -0400 Received: from mail-pf0-f174.google.com ([209.85.192.174]:33353 "EHLO mail-pf0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932104AbdCTXyL (ORCPT ); Mon, 20 Mar 2017 19:54:11 -0400 From: Brian Norris To: Heiko Stuebner Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Caesar Wang , Doug Anderson , , Rob Herring , Stephen Barber , linux-arm-kernel@lists.infradead.org, Chris Zhong , Brian Norris Subject: [PATCH v3 4/4] arm64: dts: rockchip: add regulator info for Kevin digitizer Date: Mon, 20 Mar 2017 16:53:44 -0700 Message-Id: <20170320235344.126298-5-briannorris@chromium.org> X-Mailer: git-send-email 2.12.0.367.g23dc2f6d3c-goog In-Reply-To: <20170320235344.126298-1-briannorris@chromium.org> References: <20170320235344.126298-1-briannorris@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We need to enable this regulator before the digitizer can be used. Wacom recommended waiting for 100 ms before talking to the HID. Signed-off-by: Brian Norris --- v3: * reintroduced into patch set; bindings are in linux-next --- arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts index 2f720cf2fd07..f4714c4606f3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-kevin.dts @@ -232,6 +232,9 @@ ap_i2c_dig: &i2c2 { pinctrl-names = "default"; pinctrl-0 = <&cpu1_dig_irq_l &cpu1_dig_pdct_l>; + vdd-supply = <&p3_3v_dig>; + post-power-on-delay-ms = <100>; + interrupt-parent = <&gpio2>; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; -- 2.12.0.367.g23dc2f6d3c-goog