ARM: u8540: Add Pinctrl Device Tree settings for uart0, uart2 (3d0899e8) · Commits · 戴 / test

arch/arm/boot/dts/ccu8540-pinctrl.dtsi

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		/*
		* Copyright 2012 ST-Ericsson
		*
		* The code contained herein is licensed under the GNU General Public
		* License. You may obtain a copy of the GNU General Public License
		* Version 2 or later at the following locations:
		*
		* http://www.opensource.org/licenses/gpl-license.html
		* http://www.gnu.org/copyleft/gpl.html
		*/
		#include "ste-nomadik-pinctrl.dtsi"

		/ {
		soc {
		pinctrl {
		uart0 {
		uart0_default_mux: uart0_mux {
		default_mux {
		ste,function = "u0";
		ste,pins = "u0_a_1";
		};
		};

		uart0_default_mode: uart0_default {
		default_cfg1 {
		ste,pins = "GPIO0", "GPIO2";
		ste,config = <&in_pu>;
		};

		default_cfg2 {
		ste,pins = "GPIO1", "GPIO3";
		ste,config = <&out_hi>;
		};
		};

		uart0_sleep_mode: uart0_sleep {
		sleep_cfg1 {
		ste,pins = "GPIO0", "GPIO2";
		ste,config = <&slpm_in_pu>;
		};

		sleep_cfg2 {
		ste,pins = "GPIO1", "GPIO3";
		ste,config = <&slpm_out_hi>;
		};
		};
		};

		uart2 {
		uart2_default_mode: uart2_default {
		default_mux {
		ste,function = "u2";
		ste,pins = "u2txrx_a_1";
		};

		default_cfg1 {
		ste,pins = "GPIO120";
		ste,config = <&in_pu>;
		};

		default_cfg2 {
		ste,pins = "GPIO121";
		ste,config = <&out_hi>;
		};
		};

		uart2_sleep_mode: uart2_sleep {
		sleep_cfg1 {
		ste,pins = "GPIO120";
		ste,config = <&slpm_in_pu>;
		};

		sleep_cfg2 {
		ste,pins = "GPIO121";
		ste,config = <&slpm_out_hi>;
		};
		};
		};
		};
		};
		};

arch/arm/boot/dts/ccu8540.dts

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		@@ -11,6 +11,7 @@

		/dts-v1/;
		#include "dbx5x0.dtsi"
		#include "ccu8540-pinctrl.dtsi"

		/ {
		model = "ST-Ericsson U8540 platform with Device Tree";
		@@ -21,12 +22,19 @@
		};

		soc {
		pinctrl {
		compatible = "stericsson,db8540-pinctrl";
		};

		prcmu@80157000 {
		reg = <0x80157000 0x2000>, <0x801b0000 0x8000>, <0x801b8000 0x3000>;
		reg-names = "prcmu", "prcmu-tcpm", "prcmu-tcdm";
		};

		uart@80120000 {
		pinctrl-names = "default", "sleep";
		pinctrl-0 = <&uart0_default_mux>, <&uart0_default_mode>;
		pinctrl-1 = <&uart0_sleep_mode>;
		status = "okay";
		};

		@@ -35,6 +43,9 @@
		};

		uart@80007000 {
		pinctrl-names = "default", "sleep";
		pinctrl-0 = <&uart2_default_mode>;
		pinctrl-1 = <&uart2_sleep_mode>;
		status = "okay";
		};
		};

arch/arm/boot/dts/ste-nomadik-pinctrl.dtsi

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		/*
		* Copyright 2012 ST-Ericsson
		*
		* The code contained herein is licensed under the GNU General Public
		* License. You may obtain a copy of the GNU General Public License
		* Version 2 or later at the following locations:
		*
		* http://www.opensource.org/licenses/gpl-license.html
		* http://www.gnu.org/copyleft/gpl.html
		*/
		#include <dt-bindings/pinctrl/nomadik.h>

		/ {
		in_nopull: in_nopull {
		ste,input = <INPUT_NOPULL>;
		};

		in_pu: input_pull_up {
		ste,input = <INPUT_PULLUP>;
		};

		in_pd: input_pull_down {
		ste,input = <INPUT_PULLDOWN>;
		};

		out_hi: output_high {
		ste,output = <OUTPUT_HIGH>;
		};

		out_lo: output_low {
		ste,output = <OUTPUT_LOW>;
		};

		gpio_out_lo: gpio_output_low {
		ste,gpio = <GPIOMODE_ENABLED>;
		ste,output = <OUTPUT_LOW>;
		};

		slpm_in_pu: slpm_in_pu {
		ste,sleep = <SLPM_ENABLED>;
		ste,sleep-input = <SLPM_INPUT_PULLUP>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		};

		slpm_in_wkup_pdis: slpm_in_wkup_pdis {
		ste,sleep = <SLPM_ENABLED>;
		ste,sleep-input = <SLPM_DIR_INPUT>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
		};

		slpm_out_lo: slpm_out_lo {
		ste,sleep = <SLPM_ENABLED>;
		ste,sleep-output = <SLPM_OUTPUT_LOW>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		};

		slpm_out_hi: slpm_out_hi {
		ste,sleep = <SLPM_ENABLED>;
		ste,sleep-output = <SLPM_OUTPUT_HIGH>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		};

		slpm_out_hi_wkup_pdis: slpm_out_hi_wkup_pdis {
		ste,sleep = <SLPM_ENABLED>;
		ste,sleep-output = <SLPM_OUTPUT_HIGH>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
		};

		slpm_out_wkup_pdis: slpm_out_wkup_pdis {
		ste,sleep = <SLPM_ENABLED>;
		ste,sleep-output = <SLPM_DIR_OUTPUT>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
		};

		in_wkup_pdis: in_wkup_pdis {
		ste,sleep-input = <SLPM_DIR_INPUT>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
		};

		out_hi_wkup_pdis: out_hi_wkup_pdis {
		ste,sleep-output = <SLPM_OUTPUT_HIGH>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
		};

		out_wkup_pdis: out_wkup_pdis {
		ste,sleep-output = <SLPM_DIR_OUTPUT>;
		ste,sleep-wakeup = <SLPM_WAKEUP_ENABLE>;
		ste,sleep-pull-disable = <SLPM_PDIS_DISABLED>;
		};
		};

include/dt-bindings/pinctrl/nomadik.h

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		/*
		* nomadik.h
		*
		* Copyright (C) ST-Ericsson SA 2013
		* Author: Gabriel Fernandez <gabriel.fernandez@st.com> for ST-Ericsson.
		* License terms: GNU General Public License (GPL), version 2
		*/

		#define INPUT_NOPULL 0
		#define INPUT_PULLUP 1
		#define INPUT_PULLDOWN 2

		#define OUTPUT_LOW 0
		#define OUTPUT_HIGH 1
		#define DIR_OUTPUT 2

		#define SLPM_DISABLED 0
		#define SLPM_ENABLED 1

		#define SLPM_INPUT_NOPULL 0
		#define SLPM_INPUT_PULLUP 1
		#define SLPM_INPUT_PULLDOWN 2
		#define SLPM_DIR_INPUT 3

		#define SLPM_OUTPUT_LOW 0
		#define SLPM_OUTPUT_HIGH 1
		#define SLPM_DIR_OUTPUT 2

		#define SLPM_WAKEUP_DISABLE 0
		#define SLPM_WAKEUP_ENABLE 1

		#define GPIOMODE_DISABLED 0
		#define GPIOMODE_ENABLED 1

		#define SLPM_PDIS_DISABLED 0
		#define SLPM_PDIS_ENABLED 1

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