From mboxrd@z Thu Jan 1 00:00:00 1970 From: b20788@freescale.com (Anson Huang) Date: Wed, 30 Jan 2013 17:33:44 -0500 Subject: [PATCH 1/2] ARM i.MX6: Add regulator delay support Message-ID: <1359585224-11304-1-git-send-email-b20788@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org For ANATOP LDOs, vddcpu, vddsoc and vddpu have step time settings in the misc2 register, need to add necessary step time info for these three LDOs, then regulator driver can add necessary delay based on these settings. offset 0x170: bit [24-25]: vddcpu bit [26-27]: vddpu bit [28-29]: vddsoc field definition: 0'b00: 64 cycles of 24M clock; 0'b01: 128 cycles of 24M clock; 0'b02: 256 cycles of 24M clock; 0'b03: 512 cycles of 24M clock; Signed-off-by: Anson Huang --- arch/arm/boot/dts/imx6q.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi index d6265ca..a2e977d 100644 --- a/arch/arm/boot/dts/imx6q.dtsi +++ b/arch/arm/boot/dts/imx6q.dtsi @@ -480,6 +480,9 @@ anatop-reg-offset = <0x140>; anatop-vol-bit-shift = <0>; anatop-vol-bit-width = <5>; + anatop-delay-reg-offset = <0x170>; + anatop-delay-bit-shift = <24>; + anatop-delay-bit-width = <2>; anatop-min-bit-val = <1>; anatop-min-voltage = <725000>; anatop-max-voltage = <1450000>; @@ -494,6 +497,9 @@ anatop-reg-offset = <0x140>; anatop-vol-bit-shift = <9>; anatop-vol-bit-width = <5>; + anatop-delay-reg-offset = <0x170>; + anatop-delay-bit-shift = <26>; + anatop-delay-bit-width = <2>; anatop-min-bit-val = <1>; anatop-min-voltage = <725000>; anatop-max-voltage = <1450000>; @@ -508,6 +514,9 @@ anatop-reg-offset = <0x140>; anatop-vol-bit-shift = <18>; anatop-vol-bit-width = <5>; + anatop-delay-reg-offset = <0x170>; + anatop-delay-bit-shift = <28>; + anatop-delay-bit-width = <2>; anatop-min-bit-val = <1>; anatop-min-voltage = <725000>; anatop-max-voltage = <1450000>; -- 1.7.9.5