From: Suman Anna Date: Thu, 19 Jan 2017 17:44:11 +0000 (-0800) Subject: ARM: dts: keystone-k2l: Add PSC reset controller node X-Git-Tag: v4.11-rc1~87^2~26^2~1 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2ae4dad3523be2779a5844348c8bf84d1c9c1584;p=karo-tx-linux.git ARM: dts: keystone-k2l: Add PSC reset controller node The Power Sleep Controller (PSC) module contains specific memory-mapped registers that can be used to perform reset management using specific bits for the DSPs available on the SoC. The PSC is defined using a syscon node, and the reset functionality is defined using a child syscon reset controller node. Add this syscon reset controller node as well as the reset control data for the resets it supports for the 66AK2L SoCs. Signed-off-by: Andrew F. Davis Signed-off-by: Suman Anna Signed-off-by: Santosh Shilimkar --- diff --git a/arch/arm/boot/dts/keystone-k2l.dtsi b/arch/arm/boot/dts/keystone-k2l.dtsi index e770253794bf..b58e7ebc0919 100644 --- a/arch/arm/boot/dts/keystone-k2l.dtsi +++ b/arch/arm/boot/dts/keystone-k2l.dtsi @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#include + / { compatible = "ti,k2l", "ti,keystone"; model = "Texas Instruments Keystone 2 Lamarr SoC"; @@ -216,6 +218,20 @@ }; }; + psc: power-sleep-controller@02350000 { + pscrst: reset-controller { + compatible = "ti,k2l-pscrst", "ti,syscon-reset"; + #reset-cells = <1>; + + ti,reset-bits = < + 0xa3c 8 0xa3c 8 0x83c 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 0: dsp0 */ + 0xa40 8 0xa40 8 0x840 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 1: dsp1 */ + 0xa44 8 0xa44 8 0x844 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 2: dsp2 */ + 0xa48 8 0xa48 8 0x848 8 (ASSERT_CLEAR | DEASSERT_SET | STATUS_CLEAR) /* 3: dsp3 */ + >; + }; + }; + dspgpio0: keystone_dsp_gpio@02620240 { compatible = "ti,keystone-dsp-gpio"; gpio-controller;