[PATCH v4 0/5]

[PATCH v4 0/5]

[Andi Shyti]

Hi,

I'll send this patch on behalf of Jaechul Lee
<jcsing.lee@samsung.com> becasue it's I don't want to block
anyone who wants to make changes to the exynos5433-tm2*dts*
files.

This patches are based on Krzysztof's branch for-next [1]

    "This patchset adds support for the tm2 touchkey device.
     
     The driver has been ported from Tizen Kernel,
     originally written
     by Beomho. I ported it to the latest mainline Kernel."

Thanks,
Andi

[1] https://git.kernel.org/cgit/linux/kernel/git/krzk/linux.git/log/?h=for-next

Changes in v4:
 - patch 1 has been rebased on top of 7c294e002641 (arm64: dts:
   exynos: Remove unsupported regulator-always-off property from
   TM2E)
 - patch 2 has been generated with -B50% diff option using git
   2.11

Changes in v3:
 - Changed the commit ordering, the tm2-touchkey related patches
   are the last 3.
 - Added Chanwoo's patch which fixes the wrong voltage of ldo23
   and ldo25.
 - Andi (patch 3) moves the ldo31 and ldo38 in the tm2 and tm2e
   files as they have different values.

Changes in v2:
 - fixed reviews from Javier, Dmitry
 - refactored power enable/disable functions.
 - reordered signed-offs in patch 2, while patch 4 is left as it
   was as Andi copy pasted the node to the new tm2.dts file
 - added Jarvier's (patch 1,2,4) and Krzysztof's (patch 4)
   reviews
   and Rob's Ack
 - patch 3 diff has been generated with -B50%

Andi Shyti (1):
  arm64: dts: exynos: make tm2 and tm2e independent from each other

Chanwoo Choi (1):
  arm64: dts: exynos5433: TM2/E: Fix wrong information of ldo23 and
    ldo25

Jaechul Lee (3):
  input: Add support for the tm2 touchkey device driver
  input: tm2-touchkey: Add touchkey driver support for TM2
  arm64: dts: exynos: Add tm2 touchkey node

 .../bindings/input/samsung,tm2-touchkey.txt        |   27 +
 ...ynos5433-tm2.dts => exynos5433-tm2-common.dtsi} |   31 +-
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts      | 1165 +-------------------
 arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts     |   31 +-
 drivers/input/keyboard/Kconfig                     |   11 +
 drivers/input/keyboard/Makefile                    |    1 +
 drivers/input/keyboard/tm2-touchkey.c              |  280 +++++
 7 files changed, 392 insertions(+), 1154 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt
 copy arch/arm64/boot/dts/exynos/{exynos5433-tm2.dts => exynos5433-tm2-common.dtsi} (97%)
 rewrite arch/arm64/boot/dts/exynos/exynos5433-tm2.dts (98%)
 create mode 100644 drivers/input/keyboard/tm2-touchkey.c

-- 
2.11.0

[PATCH v4 1/5] arm64: dts: exynos5433: TM2/E: Fix wrong values foe ldo23 and ldo25

[Andi Shyti]

From: Chanwoo Choi <cw00.choi@samsung.com>

This patch fixes wrong values assigned to ldo23 and ldo25 on both TM2 and TM2E.

Fixes: 01e5d2352152 ("arm64: dts: exynos: Add dts file for Exynos5433-based TM2 board")
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
---
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts  | 7 ++++---
 arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts | 9 ---------
 2 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index 3b5215c40fcd..e8971f4a5977 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -504,9 +504,9 @@
 			};
 
 			ldo23_reg: LDO23 {
-				regulator-name = "CAM_SEN_CORE_1.2V_AP";
+				regulator-name = "CAM_SEN_CORE_1.05V_AP";
 				regulator-min-microvolt = <1050000>;
-				regulator-max-microvolt = <1200000>;
+				regulator-max-microvolt = <1050000>;
 			};
 
 			ldo24_reg: LDO24 {
@@ -516,9 +516,10 @@
 			};
 
 			ldo25_reg: LDO25 {
-				regulator-name = "CAM_SEN_A2.8V_AP";
+				regulator-name = "UNUSED_LDO25";
 				regulator-min-microvolt = <2800000>;
 				regulator-max-microvolt = <2800000>;
+				regulator-always-off;
 			};
 
 			ldo26_reg: LDO26 {
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
index 398f5e092b02..854c583092d5 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
@@ -18,15 +18,6 @@
 	compatible = "samsung,tm2e", "samsung,exynos5433";
 };
 
-&ldo23_reg {
-	regulator-name = "CAM_SEN_CORE_1.025V_AP";
-	regulator-max-microvolt = <1050000>;
-};
-
-&ldo25_reg {
-	regulator-name = "UNUSED_LDO25";
-};
-
 &ldo31_reg {
 	regulator-name = "TSP_VDD_1.8V_AP";
 	regulator-min-microvolt = <1800000>;
-- 
2.11.0

Re: [PATCH v4 1/5] arm64: dts: exynos5433: TM2/E: Fix wrong values foe ldo23 and ldo25

[Krzysztof Kozlowski]

On Fri, Jan 06, 2017 at 08:41:10PM +0900, Andi Shyti wrote:
> From: Chanwoo Choi <cw00.choi@samsung.com>
> 
> This patch fixes wrong values assigned to ldo23 and ldo25 on both TM2 and TM2E.
> 
> Fixes: 01e5d2352152 ("arm64: dts: exynos: Add dts file for Exynos5433-based TM2 board")
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
>  arch/arm64/boot/dts/exynos/exynos5433-tm2.dts  | 7 ++++---
>  arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts | 9 ---------
>  2 files changed, 4 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> index 3b5215c40fcd..e8971f4a5977 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> @@ -504,9 +504,9 @@
>  			};
>  
>  			ldo23_reg: LDO23 {
> -				regulator-name = "CAM_SEN_CORE_1.2V_AP";
> +				regulator-name = "CAM_SEN_CORE_1.05V_AP";
>  				regulator-min-microvolt = <1050000>;
> -				regulator-max-microvolt = <1200000>;
> +				regulator-max-microvolt = <1050000>;
>  			};
>  
>  			ldo24_reg: LDO24 {
> @@ -516,9 +516,10 @@
>  			};
>  
>  			ldo25_reg: LDO25 {
> -				regulator-name = "CAM_SEN_A2.8V_AP";
> +				regulator-name = "UNUSED_LDO25";
>  				regulator-min-microvolt = <2800000>;
>  				regulator-max-microvolt = <2800000>;
> +				regulator-always-off;

No. I mentioned in last email that this property is wrong.

When resubmitting, please fix the subject prefix.

Best regards,
Krzysztof

Re: [PATCH v4 1/5] arm64: dts: exynos5433: TM2/E: Fix wrong values foe ldo23 and ldo25

[Javier Martinez Canillas]

Hello Andi,

On 01/06/2017 08:41 AM, Andi Shyti wrote:
> From: Chanwoo Choi <cw00.choi@samsung.com>
> 
> This patch fixes wrong values assigned to ldo23 and ldo25 on both TM2 and TM2E.
> 
> Fixes: 01e5d2352152 ("arm64: dts: exynos: Add dts file for Exynos5433-based TM2 board")
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---

I don't have the schematics to check, but the patch looks good to me
besides the "regulator-always-off" property as Krzysztof mentioned.

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America

[PATCH v4 2/5] arm64: dts: exynos: make tm2 and tm2e independent from each other

[Andi Shyti]

Currently tm2e dts includes tm2 but there are some differences
between the two boards and tm2 has some properties that tm2e
doesn't have.

That's why it's important to keep the two dts files independent
and put all the commonalities in a tm2-common.dtsi file.

At the current status the only two differences between the two
dts files (besides the board name) are ldo31 and ldo38.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
---
 ...ynos5433-tm2.dts => exynos5433-tm2-common.dtsi} |   24 +-
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts      | 1153 +-------------------
 arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts     |   22 +-
 3 files changed, 56 insertions(+), 1143 deletions(-)
 copy arch/arm64/boot/dts/exynos/{exynos5433-tm2.dts => exynos5433-tm2-common.dtsi} (98%)
 rewrite arch/arm64/boot/dts/exynos/exynos5433-tm2.dts (98%)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
similarity index 98%
copy from arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
copy to arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index e8971f4a5977..c43f9a38adf6 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -3,8 +3,8 @@
  *
  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
  *
- * Device tree source file for Samsung's TM2 board which is based on
- * Samsung Exynos5433 SoC.
+ * Common device tree source file for Samsung's TM2 and TM2E boards
+ * which are based on Samsung Exynos5433 SoC.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -322,7 +322,7 @@
 				"s2mps13_bt";
 		};
 
-		regulators {
+		regulators: regulators {
 			ldo1_reg: LDO1 {
 				regulator-name = "VDD_ALIVE_0.9V_AP";
 				regulator-min-microvolt = <900000>;
@@ -552,11 +552,10 @@
 				regulator-max-microvolt = <3300000>;
 			};
 
-			ldo31_reg: LDO31 {
-				regulator-name = "TSP_VDD_1.85V_AP";
-				regulator-min-microvolt = <1850000>;
-				regulator-max-microvolt = <1850000>;
-			};
+			/*
+			 * LDO31 differs from target to target,
+			 * its definition is in the .dts
+			 */
 
 			ldo32_reg: LDO32 {
 				regulator-name = "VTOUCH_1.8V_AP";
@@ -595,11 +594,10 @@
 				regulator-max-microvolt = <1800000>;
 			};
 
-			ldo38_reg: LDO38 {
-				regulator-name = "VCC_3.0V_MOTOR_AP";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3000000>;
-			};
+			/*
+			 * LDO38 differs from target to target,
+			 * its definition is in the .dts
+			 */
 
 			ldo39_reg: LDO39 {
 				regulator-name = "V_HRM_1.8V";
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
dissimilarity index 98%
index e8971f4a5977..d30b45a9c0d4 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -1,1120 +1,33 @@
-/*
- * SAMSUNG Exynos5433 TM2 board device tree source
- *
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
- *
- * Device tree source file for Samsung's TM2 board which is based on
- * Samsung Exynos5433 SoC.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-/dts-v1/;
-#include "exynos5433.dtsi"
-#include <dt-bindings/clock/samsung,s2mps11.h>
-#include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/input/input.h>
-#include <dt-bindings/interrupt-controller/irq.h>
-
-/ {
-	model = "Samsung TM2 board";
-	compatible = "samsung,tm2", "samsung,exynos5433";
-
-	aliases {
-		gsc0 = &gsc_0;
-		gsc1 = &gsc_1;
-		gsc2 = &gsc_2;
-		pinctrl0 = &pinctrl_alive;
-		pinctrl1 = &pinctrl_aud;
-		pinctrl2 = &pinctrl_cpif;
-		pinctrl3 = &pinctrl_ese;
-		pinctrl4 = &pinctrl_finger;
-		pinctrl5 = &pinctrl_fsys;
-		pinctrl6 = &pinctrl_imem;
-		pinctrl7 = &pinctrl_nfc;
-		pinctrl8 = &pinctrl_peric;
-		pinctrl9 = &pinctrl_touch;
-		serial0 = &serial_0;
-		serial1 = &serial_1;
-		serial2 = &serial_2;
-		serial3 = &serial_3;
-		spi0 = &spi_0;
-		spi1 = &spi_1;
-		spi2 = &spi_2;
-		spi3 = &spi_3;
-		spi4 = &spi_4;
-		mshc0 = &mshc_0;
-		mshc2 = &mshc_2;
-	};
-
-	chosen {
-		stdout-path = &serial_1;
-	};
-
-	memory@20000000 {
-		device_type = "memory";
-		reg = <0x0 0x20000000 0x0 0xc0000000>;
-	};
-
-	gpio-keys {
-		compatible = "gpio-keys";
-
-		power-key {
-			gpios = <&gpa2 7 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_POWER>;
-			label = "power key";
-			debounce-interval = <10>;
-		};
-
-		volume-up-key {
-			gpios = <&gpa2 0 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_VOLUMEUP>;
-			label = "volume-up key";
-			debounce-interval = <10>;
-		};
-
-		volume-down-key {
-			gpios = <&gpa2 1 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_VOLUMEDOWN>;
-			label = "volume-down key";
-			debounce-interval = <10>;
-		};
-
-		homepage-key {
-			gpios = <&gpa0 3 GPIO_ACTIVE_LOW>;
-			linux,code = <KEY_MENU>;
-			label = "homepage key";
-			debounce-interval = <10>;
-		};
-	};
-
-	i2c_max98504: i2c-gpio-0 {
-		compatible = "i2c-gpio";
-		gpios = <&gpd0 1 GPIO_ACTIVE_HIGH /* SPK_AMP_SDA */
-			 &gpd0 0 GPIO_ACTIVE_HIGH /* SPK_AMP_SCL */ >;
-		i2c-gpio,delay-us = <2>;
-		#address-cells = <1>;
-		#size-cells = <0>;
-		status = "okay";
-
-		max98504: max98504@31 {
-			compatible = "maxim,max98504";
-			reg = <0x31>;
-			maxim,rx-path = <1>;
-			maxim,tx-path = <1>;
-			maxim,tx-channel-mask = <3>;
-			maxim,tx-channel-source = <2>;
-		};
-	};
-
-	sound {
-		compatible = "samsung,tm2-audio";
-		audio-codec = <&wm5110>;
-		i2s-controller = <&i2s0>;
-		audio-amplifier = <&max98504>;
-		mic-bias-gpios = <&gpr3 2 GPIO_ACTIVE_HIGH>;
-		model = "wm5110";
-		samsung,audio-routing =
-			/* Headphone */
-			"HP", "HPOUT1L",
-			"HP", "HPOUT1R",
-
-			/* Speaker */
-			"SPK", "SPKOUT",
-			"SPKOUT", "HPOUT2L",
-			"SPKOUT", "HPOUT2R",
-
-			/* Receiver */
-			"RCV", "HPOUT3L",
-			"RCV", "HPOUT3R";
-		status = "okay";
-	};
-};
-
-&adc {
-	vdd-supply = <&ldo3_reg>;
-	status = "okay";
-
-	thermistor-ap {
-		compatible = "murata,ncp03wf104";
-		pullup-uv = <1800000>;
-		pullup-ohm = <100000>;
-		pulldown-ohm = <0>;
-		io-channels = <&adc 0>;
-	};
-
-	thermistor-battery {
-		compatible = "murata,ncp03wf104";
-		pullup-uv = <1800000>;
-		pullup-ohm = <100000>;
-		pulldown-ohm = <0>;
-		io-channels = <&adc 1>;
-		#thermal-sensor-cells = <0>;
-	};
-
-	thermistor-charger {
-		compatible = "murata,ncp03wf104";
-		pullup-uv = <1800000>;
-		pullup-ohm = <100000>;
-		pulldown-ohm = <0>;
-		io-channels = <&adc 2>;
-	};
-};
-
-&bus_g2d_400 {
-	devfreq-events = <&ppmu_event0_d0_general>, <&ppmu_event0_d1_general>;
-	vdd-supply = <&buck4_reg>;
-	exynos,saturation-ratio = <10>;
-	status = "okay";
-};
-
-&bus_g2d_266 {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_gscl {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_hevc {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_jpeg {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_mfc {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_mscl {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_noc0 {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_noc1 {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&bus_noc2 {
-	devfreq = <&bus_g2d_400>;
-	status = "okay";
-};
-
-&cmu_aud {
-	assigned-clocks = <&cmu_aud CLK_MOUT_AUD_PLL_USER>;
-	assigned-clock-parents = <&cmu_top CLK_FOUT_AUD_PLL>;
-};
-
-&cmu_fsys {
-	assigned-clocks = <&cmu_top CLK_MOUT_SCLK_USBDRD30>,
-		<&cmu_top CLK_MOUT_SCLK_USBHOST30>,
-		<&cmu_fsys CLK_MOUT_SCLK_USBDRD30_USER>,
-		<&cmu_fsys CLK_MOUT_SCLK_USBHOST30_USER>,
-		<&cmu_fsys CLK_MOUT_PHYCLK_USBDRD30_UDRD30_PIPE_PCLK_USER>,
-		<&cmu_fsys CLK_MOUT_PHYCLK_USBHOST30_UHOST30_PIPE_PCLK_USER>,
-		<&cmu_fsys CLK_MOUT_PHYCLK_USBDRD30_UDRD30_PHYCLOCK_USER>,
-		<&cmu_fsys CLK_MOUT_PHYCLK_USBHOST30_UHOST30_PHYCLOCK_USER>,
-		<&cmu_top CLK_DIV_SCLK_USBDRD30>,
-		<&cmu_top CLK_DIV_SCLK_USBHOST30>;
-	assigned-clock-parents = <&cmu_top CLK_MOUT_BUS_PLL_USER>,
-		<&cmu_top CLK_MOUT_BUS_PLL_USER>,
-		<&cmu_top CLK_SCLK_USBDRD30_FSYS>,
-		<&cmu_top CLK_SCLK_USBHOST30_FSYS>,
-		<&cmu_fsys CLK_PHYCLK_USBDRD30_UDRD30_PIPE_PCLK_PHY>,
-		<&cmu_fsys CLK_PHYCLK_USBHOST30_UHOST30_PIPE_PCLK_PHY>,
-		<&cmu_fsys CLK_PHYCLK_USBDRD30_UDRD30_PHYCLOCK_PHY>,
-		<&cmu_fsys CLK_PHYCLK_USBHOST30_UHOST30_PHYCLOCK_PHY>;
-	assigned-clock-rates = <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>,
-			       <66700000>, <66700000>;
-};
-
-&cmu_gscl {
-	assigned-clocks = <&cmu_gscl CLK_MOUT_ACLK_GSCL_111_USER>,
-			  <&cmu_gscl CLK_MOUT_ACLK_GSCL_333_USER>;
-	assigned-clock-parents = <&cmu_top CLK_ACLK_GSCL_111>,
-				 <&cmu_top CLK_ACLK_GSCL_333>;
-};
-
-&cmu_mfc {
-	assigned-clocks = <&cmu_mfc CLK_MOUT_ACLK_MFC_400_USER>;
-	assigned-clock-parents = <&cmu_top CLK_ACLK_MFC_400>;
-};
-
-&cmu_mscl {
-	assigned-clocks = <&cmu_mscl CLK_MOUT_ACLK_MSCL_400_USER>,
-			  <&cmu_mscl CLK_MOUT_SCLK_JPEG_USER>,
-			  <&cmu_mscl CLK_MOUT_SCLK_JPEG>,
-			  <&cmu_top CLK_MOUT_SCLK_JPEG_A>;
-	assigned-clock-parents = <&cmu_top CLK_ACLK_MSCL_400>,
-				 <&cmu_top CLK_SCLK_JPEG_MSCL>,
-				 <&cmu_mscl CLK_MOUT_SCLK_JPEG_USER>,
-				 <&cmu_top CLK_MOUT_BUS_PLL_USER>;
-};
-
-&cpu0 {
-	cpu-supply = <&buck3_reg>;
-};
-
-&cpu4 {
-	cpu-supply = <&buck2_reg>;
-};
-
-&decon {
-	status = "okay";
-
-	i80-if-timings {
-	};
-};
-
-&dsi {
-	status = "okay";
-	vddcore-supply = <&ldo6_reg>;
-	vddio-supply = <&ldo7_reg>;
-	samsung,pll-clock-frequency = <24000000>;
-	pinctrl-names = "default";
-	pinctrl-0 = <&te_irq>;
-
-	ports {
-		#address-cells = <1>;
-		#size-cells = <0>;
-
-		port@1 {
-			reg = <1>;
-
-			dsi_out: endpoint {
-				samsung,burst-clock-frequency = <512000000>;
-				samsung,esc-clock-frequency = <16000000>;
-			};
-		};
-	};
-};
-
-&hsi2c_0 {
-	status = "okay";
-	clock-frequency = <2500000>;
-
-	s2mps13-pmic@66 {
-		compatible = "samsung,s2mps13-pmic";
-		interrupt-parent = <&gpa0>;
-		interrupts = <7 IRQ_TYPE_NONE>;
-		reg = <0x66>;
-		samsung,s2mps11-wrstbi-ground;
-
-		s2mps13_osc: clocks {
-			compatible = "samsung,s2mps13-clk";
-			#clock-cells = <1>;
-			clock-output-names = "s2mps13_ap", "s2mps13_cp",
-				"s2mps13_bt";
-		};
-
-		regulators {
-			ldo1_reg: LDO1 {
-				regulator-name = "VDD_ALIVE_0.9V_AP";
-				regulator-min-microvolt = <900000>;
-				regulator-max-microvolt = <900000>;
-				regulator-always-on;
-			};
-
-			ldo2_reg: LDO2 {
-				regulator-name = "VDDQ_MMC2_2.8V_AP";
-				regulator-min-microvolt = <2800000>;
-				regulator-max-microvolt = <2800000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo3_reg: LDO3 {
-				regulator-name = "VDD1_E_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-always-on;
-			};
-
-			ldo4_reg: LDO4 {
-				regulator-name = "VDD10_MIF_PLL_1.0V_AP";
-				regulator-min-microvolt = <1300000>;
-				regulator-max-microvolt = <1300000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo5_reg: LDO5 {
-				regulator-name = "VDD10_DPLL_1.0V_AP";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <1000000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo6_reg: LDO6 {
-				regulator-name = "VDD10_MIPI2L_1.0V_AP";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <1000000>;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo7_reg: LDO7 {
-				regulator-name = "VDD18_MIPI2L_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo8_reg: LDO8 {
-				regulator-name = "VDD18_LLI_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo9_reg: LDO9 {
-				regulator-name = "VDD18_ABB_ETC_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo10_reg: LDO10 {
-				regulator-name = "VDD33_USB30_3.0V_AP";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3000000>;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo11_reg: LDO11 {
-				regulator-name = "VDD_INT_M_1.0V_AP";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <1000000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo12_reg: LDO12 {
-				regulator-name = "VDD_KFC_M_1.1V_AP";
-				regulator-min-microvolt = <800000>;
-				regulator-max-microvolt = <1350000>;
-				regulator-always-on;
-			};
-
-			ldo13_reg: LDO13 {
-				regulator-name = "VDD_G3D_M_0.95V_AP";
-				regulator-min-microvolt = <950000>;
-				regulator-max-microvolt = <950000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo14_reg: LDO14 {
-				regulator-name = "VDDQ_M1_LDO_1.2V_AP";
-				regulator-min-microvolt = <1200000>;
-				regulator-max-microvolt = <1200000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo15_reg: LDO15 {
-				regulator-name = "VDDQ_M2_LDO_1.2V_AP";
-				regulator-min-microvolt = <1200000>;
-				regulator-max-microvolt = <1200000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			ldo16_reg: LDO16 {
-				regulator-name = "VDDQ_EFUSE";
-				regulator-min-microvolt = <1400000>;
-				regulator-max-microvolt = <3400000>;
-				regulator-always-on;
-			};
-
-			ldo17_reg: LDO17 {
-				regulator-name = "V_TFLASH_2.8V_AP";
-				regulator-min-microvolt = <2800000>;
-				regulator-max-microvolt = <2800000>;
-			};
-
-			ldo18_reg: LDO18 {
-				regulator-name = "V_CODEC_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo19_reg: LDO19 {
-				regulator-name = "VDDA_1.8V_COMP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-				regulator-always-on;
-			};
-
-			ldo20_reg: LDO20 {
-				regulator-name = "VCC_2.8V_AP";
-				regulator-min-microvolt = <2800000>;
-				regulator-max-microvolt = <2800000>;
-				regulator-always-on;
-			};
-
-			ldo21_reg: LDO21 {
-				regulator-name = "VT_CAM_1.8V";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo22_reg: LDO22 {
-				regulator-name = "CAM_IO_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo23_reg: LDO23 {
-				regulator-name = "CAM_SEN_CORE_1.05V_AP";
-				regulator-min-microvolt = <1050000>;
-				regulator-max-microvolt = <1050000>;
-			};
-
-			ldo24_reg: LDO24 {
-				regulator-name = "VT_CAM_1.2V";
-				regulator-min-microvolt = <1200000>;
-				regulator-max-microvolt = <1200000>;
-			};
-
-			ldo25_reg: LDO25 {
-				regulator-name = "UNUSED_LDO25";
-				regulator-min-microvolt = <2800000>;
-				regulator-max-microvolt = <2800000>;
-				regulator-always-off;
-			};
-
-			ldo26_reg: LDO26 {
-				regulator-name = "CAM_AF_2.8V_AP";
-				regulator-min-microvolt = <2800000>;
-				regulator-max-microvolt = <2800000>;
-			};
-
-			ldo27_reg: LDO27 {
-				regulator-name = "VCC_3.0V_LCD_AP";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3000000>;
-			};
-
-			ldo28_reg: LDO28 {
-				regulator-name = "VCC_1.8V_LCD_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo29_reg: LDO29 {
-				regulator-name = "VT_CAM_2.8V";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3000000>;
-			};
-
-			ldo30_reg: LDO30 {
-				regulator-name = "TSP_AVDD_3.3V_AP";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
-			};
-
-			ldo31_reg: LDO31 {
-				regulator-name = "TSP_VDD_1.85V_AP";
-				regulator-min-microvolt = <1850000>;
-				regulator-max-microvolt = <1850000>;
-			};
-
-			ldo32_reg: LDO32 {
-				regulator-name = "VTOUCH_1.8V_AP";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo33_reg: LDO33 {
-				regulator-name = "VTOUCH_LED_3.3V";
-				regulator-min-microvolt = <2500000>;
-				regulator-max-microvolt = <3300000>;
-				regulator-ramp-delay = <12500>;
-			};
-
-			ldo34_reg: LDO34 {
-				regulator-name = "VCC_1.8V_MHL_AP";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <2100000>;
-			};
-
-			ldo35_reg: LDO35 {
-				regulator-name = "OIS_VM_2.8V";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <2800000>;
-			};
-
-			ldo36_reg: LDO36 {
-				regulator-name = "VSIL_1.0V";
-				regulator-min-microvolt = <1000000>;
-				regulator-max-microvolt = <1000000>;
-			};
-
-			ldo37_reg: LDO37 {
-				regulator-name = "VF_1.8V";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo38_reg: LDO38 {
-				regulator-name = "VCC_3.0V_MOTOR_AP";
-				regulator-min-microvolt = <3000000>;
-				regulator-max-microvolt = <3000000>;
-			};
-
-			ldo39_reg: LDO39 {
-				regulator-name = "V_HRM_1.8V";
-				regulator-min-microvolt = <1800000>;
-				regulator-max-microvolt = <1800000>;
-			};
-
-			ldo40_reg: LDO40 {
-				regulator-name = "V_HRM_3.3V";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
-			};
-
-			buck1_reg: BUCK1 {
-				regulator-name = "VDD_MIF_0.9V_AP";
-				regulator-min-microvolt = <600000>;
-				regulator-max-microvolt = <1500000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			buck2_reg: BUCK2 {
-				regulator-name = "VDD_EGL_1.0V_AP";
-				regulator-min-microvolt = <900000>;
-				regulator-max-microvolt = <1300000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			buck3_reg: BUCK3 {
-				regulator-name = "VDD_KFC_1.0V_AP";
-				regulator-min-microvolt = <800000>;
-				regulator-max-microvolt = <1200000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			buck4_reg: BUCK4 {
-				regulator-name = "VDD_INT_0.95V_AP";
-				regulator-min-microvolt = <600000>;
-				regulator-max-microvolt = <1500000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			buck5_reg: BUCK5 {
-				regulator-name = "VDD_DISP_CAM0_0.9V_AP";
-				regulator-min-microvolt = <600000>;
-				regulator-max-microvolt = <1500000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			buck6_reg: BUCK6 {
-				regulator-name = "VDD_G3D_0.9V_AP";
-				regulator-min-microvolt = <600000>;
-				regulator-max-microvolt = <1500000>;
-				regulator-always-on;
-				regulator-state-mem {
-					regulator-off-in-suspend;
-				};
-			};
-
-			buck7_reg: BUCK7 {
-				regulator-name = "VDD_MEM1_1.2V_AP";
-				regulator-min-microvolt = <1200000>;
-				regulator-max-microvolt = <1200000>;
-				regulator-always-on;
-			};
-
-			buck8_reg: BUCK8 {
-				regulator-name = "VDD_LLDO_1.35V_AP";
-				regulator-min-microvolt = <1350000>;
-				regulator-max-microvolt = <3300000>;
-				regulator-always-on;
-			};
-
-			buck9_reg: BUCK9 {
-				regulator-name = "VDD_MLDO_2.0V_AP";
-				regulator-min-microvolt = <1350000>;
-				regulator-max-microvolt = <3300000>;
-				regulator-always-on;
-			};
-
-			buck10_reg: BUCK10 {
-				regulator-name = "vdd_mem2";
-				regulator-min-microvolt = <550000>;
-				regulator-max-microvolt = <1500000>;
-				regulator-always-on;
-			};
-		};
-	};
-};
-
-&hsi2c_8 {
-	status = "okay";
-
-	max77843@66 {
-		compatible = "maxim,max77843";
-		interrupt-parent = <&gpa1>;
-		interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
-		reg = <0x66>;
-
-		muic: max77843-muic {
-			compatible = "maxim,max77843-muic";
-		};
-
-		regulators {
-			compatible = "maxim,max77843-regulator";
-			safeout1_reg: SAFEOUT1 {
-				regulator-name = "SAFEOUT1";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <4950000>;
-			};
-
-			safeout2_reg: SAFEOUT2 {
-				regulator-name = "SAFEOUT2";
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <4950000>;
-			};
-
-			charger_reg: CHARGER {
-				regulator-name = "CHARGER";
-				regulator-min-microamp = <100000>;
-				regulator-max-microamp = <3150000>;
-			};
-		};
-
-		haptic: max77843-haptic {
-			compatible = "maxim,max77843-haptic";
-			haptic-supply = <&ldo38_reg>;
-			pwms = <&pwm 0 33670 0>;
-			pwm-names = "haptic";
-		};
-	};
-};
-
-&i2s0 {
-	status = "okay";
-};
-
-&mshc_0 {
-	status = "okay";
-	num-slots = <1>;
-	mmc-hs200-1_8v;
-	mmc-hs400-1_8v;
-	cap-mmc-highspeed;
-	non-removable;
-	card-detect-delay = <200>;
-	samsung,dw-mshc-ciu-div = <3>;
-	samsung,dw-mshc-sdr-timing = <0 4>;
-	samsung,dw-mshc-ddr-timing = <0 2>;
-	samsung,dw-mshc-hs400-timing = <0 3>;
-	samsung,read-strobe-delay = <90>;
-	fifo-depth = <0x80>;
-	pinctrl-names = "default";
-	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_qrdy &sd0_bus1 &sd0_bus4
-			&sd0_bus8 &sd0_rdqs>;
-	bus-width = <8>;
-	assigned-clocks = <&cmu_top CLK_SCLK_MMC0_FSYS>;
-	assigned-clock-rates = <800000000>;
-};
-
-&mshc_2 {
-	status = "okay";
-	num-slots = <1>;
-	cap-sd-highspeed;
-	disable-wp;
-	cd-gpios = <&gpa2 4 GPIO_ACTIVE_HIGH>;
-	cd-inverted;
-	card-detect-delay = <200>;
-	samsung,dw-mshc-ciu-div = <3>;
-	samsung,dw-mshc-sdr-timing = <0 4>;
-	samsung,dw-mshc-ddr-timing = <0 2>;
-	fifo-depth = <0x80>;
-	pinctrl-names = "default";
-	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4>;
-	bus-width = <4>;
-};
-
-&ppmu_d0_general {
-	status = "okay";
-	events {
-		ppmu_event0_d0_general: ppmu-event0-d0-general {
-			event-name = "ppmu-event0-d0-general";
-		};
-	};
-};
-
-&ppmu_d1_general {
-	status = "okay";
-	events {
-		ppmu_event0_d1_general: ppmu-event0-d1-general {
-		       event-name = "ppmu-event0-d1-general";
-	       };
-       };
-};
-
-&pinctrl_alive {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_alive>;
-
-	initial_alive: initial-state {
-		PIN(INPUT, gpa0-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpa0-1, NONE, FAST_SR1);
-		PIN(INPUT, gpa0-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpa0-3, NONE, FAST_SR1);
-		PIN(INPUT, gpa0-4, NONE, FAST_SR1);
-		PIN(INPUT, gpa0-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpa0-6, NONE, FAST_SR1);
-		PIN(INPUT, gpa0-7, NONE, FAST_SR1);
-
-		PIN(INPUT, gpa1-0, UP, FAST_SR1);
-		PIN(INPUT, gpa1-1, NONE, FAST_SR1);
-		PIN(INPUT, gpa1-2, NONE, FAST_SR1);
-		PIN(INPUT, gpa1-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpa1-4, DOWN, FAST_SR1);
-		PIN(INPUT, gpa1-5, NONE, FAST_SR1);
-		PIN(INPUT, gpa1-6, NONE, FAST_SR1);
-		PIN(INPUT, gpa1-7, NONE, FAST_SR1);
-
-		PIN(INPUT, gpa2-0, NONE, FAST_SR1);
-		PIN(INPUT, gpa2-1, NONE, FAST_SR1);
-		PIN(INPUT, gpa2-2, NONE, FAST_SR1);
-		PIN(INPUT, gpa2-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpa2-4, NONE, FAST_SR1);
-		PIN(INPUT, gpa2-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpa2-6, DOWN, FAST_SR1);
-		PIN(INPUT, gpa2-7, NONE, FAST_SR1);
-
-		PIN(INPUT, gpa3-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpa3-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpa3-2, NONE, FAST_SR1);
-		PIN(INPUT, gpa3-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpa3-4, NONE, FAST_SR1);
-		PIN(INPUT, gpa3-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpa3-6, DOWN, FAST_SR1);
-		PIN(INPUT, gpa3-7, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpf1-0, NONE, FAST_SR1);
-		PIN(INPUT, gpf1-1, NONE, FAST_SR1);
-		PIN(INPUT, gpf1-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpf1-4, UP, FAST_SR1);
-		PIN(OUTPUT, gpf1-5, NONE, FAST_SR1);
-		PIN(INPUT, gpf1-6, DOWN, FAST_SR1);
-		PIN(INPUT, gpf1-7, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpf2-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpf2-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpf2-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpf2-3, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpf3-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpf3-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpf3-2, NONE, FAST_SR1);
-		PIN(INPUT, gpf3-3, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpf4-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-4, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-6, DOWN, FAST_SR1);
-		PIN(INPUT, gpf4-7, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpf5-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpf5-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpf5-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpf5-3, DOWN, FAST_SR1);
-		PIN(OUTPUT, gpf5-4, NONE, FAST_SR1);
-		PIN(INPUT, gpf5-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpf5-6, DOWN, FAST_SR1);
-		PIN(INPUT, gpf5-7, DOWN, FAST_SR1);
-	};
-
-	te_irq: te_irq {
-		samsung,pins = "gpf1-3";
-		samsung,pin-function = <0xf>;
-	};
-};
-
-&pinctrl_cpif {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_cpif>;
-
-	initial_cpif: initial-state {
-		PIN(INPUT, gpv6-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpv6-1, DOWN, FAST_SR1);
-	};
-};
-
-&pinctrl_ese {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_ese>;
-
-	initial_ese: initial-state {
-		PIN(INPUT, gpj2-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpj2-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpj2-2, DOWN, FAST_SR1);
-	};
-};
-
-&pinctrl_fsys {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_fsys>;
-
-	initial_fsys: initial-state {
-		PIN(INPUT, gpr3-0, NONE, FAST_SR1);
-		PIN(INPUT, gpr3-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpr3-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpr3-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpr3-7, NONE, FAST_SR1);
-	};
-};
-
-&pinctrl_imem {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_imem>;
-
-	initial_imem: initial-state {
-		PIN(INPUT, gpf0-0, UP, FAST_SR1);
-		PIN(INPUT, gpf0-1, UP, FAST_SR1);
-		PIN(INPUT, gpf0-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpf0-3, UP, FAST_SR1);
-		PIN(INPUT, gpf0-4, DOWN, FAST_SR1);
-		PIN(INPUT, gpf0-5, NONE, FAST_SR1);
-		PIN(INPUT, gpf0-6, DOWN, FAST_SR1);
-		PIN(INPUT, gpf0-7, UP, FAST_SR1);
-	};
-};
-
-&pinctrl_nfc {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_nfc>;
-
-	initial_nfc: initial-state {
-		PIN(INPUT, gpj0-2, DOWN, FAST_SR1);
-	};
-};
-
-&pinctrl_peric {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_peric>;
-
-	initial_peric: initial-state {
-		PIN(INPUT, gpv7-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpv7-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpv7-2, NONE, FAST_SR1);
-		PIN(INPUT, gpv7-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpv7-4, DOWN, FAST_SR1);
-		PIN(INPUT, gpv7-5, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpb0-4, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpc0-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpc0-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpc0-7, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpc1-1, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpc3-4, NONE, FAST_SR1);
-		PIN(INPUT, gpc3-5, NONE, FAST_SR1);
-		PIN(INPUT, gpc3-6, NONE, FAST_SR1);
-		PIN(INPUT, gpc3-7, NONE, FAST_SR1);
-
-		PIN(OUTPUT, gpg0-0, NONE, FAST_SR1);
-		PIN(2, gpg0-1, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpd2-5, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpd4-0, NONE, FAST_SR1);
-		PIN(INPUT, gpd4-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpd4-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpd4-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpd4-4, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpd6-3, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpd8-1, UP, FAST_SR1);
-
-		PIN(INPUT, gpg1-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpg1-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpg1-2, DOWN, FAST_SR1);
-		PIN(INPUT, gpg1-3, DOWN, FAST_SR1);
-		PIN(INPUT, gpg1-4, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpg2-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpg2-1, DOWN, FAST_SR1);
-
-		PIN(INPUT, gpg3-0, DOWN, FAST_SR1);
-		PIN(INPUT, gpg3-1, DOWN, FAST_SR1);
-		PIN(INPUT, gpg3-5, DOWN, FAST_SR1);
-		PIN(INPUT, gpg3-7, DOWN, FAST_SR1);
-	};
-};
-
-&pinctrl_touch {
-	pinctrl-names = "default";
-	pinctrl-0 = <&initial_touch>;
-
-	initial_touch: initial-state {
-		PIN(INPUT, gpj1-2, DOWN, FAST_SR1);
-	};
-};
-
-&pwm {
-	pinctrl-0 = <&pwm0_out>;
-	pinctrl-names = "default";
-	status = "okay";
-};
-
-&mic {
-	status = "okay";
-
-	i80-if-timings {
-	};
-};
-
-&pmu_system_controller {
-	assigned-clocks = <&pmu_system_controller 0>;
-	assigned-clock-parents = <&xxti>;
-};
-
-&serial_1 {
-	status = "okay";
-};
-
-&spi_1 {
-	cs-gpios = <&gpd6 3 GPIO_ACTIVE_HIGH>;
-	status = "okay";
-
-	wm5110: wm5110-codec@0 {
-		compatible = "wlf,wm5110";
-		reg = <0x0>;
-		spi-max-frequency = <20000000>;
-		interrupt-parent = <&gpa0>;
-		interrupts = <4 IRQ_TYPE_NONE>;
-		clocks = <&pmu_system_controller 0>,
-			<&s2mps13_osc S2MPS11_CLK_BT>;
-		clock-names = "mclk1", "mclk2";
-
-		gpio-controller;
-		#gpio-cells = <2>;
-
-		wlf,micd-detect-debounce = <300>;
-		wlf,micd-bias-start-time = <0x1>;
-		wlf,micd-rate = <0x7>;
-		wlf,micd-dbtime = <0x1>;
-		wlf,micd-force-micbias;
-		wlf,micd-configs = <0x0 1 0>;
-		wlf,hpdet-channel = <1>;
-		wlf,gpsw = <0x1>;
-		wlf,inmode = <2 0 2 0>;
-
-		wlf,reset = <&gpc0 7 GPIO_ACTIVE_HIGH>;
-		wlf,ldoena = <&gpf0 0 GPIO_ACTIVE_HIGH>;
-
-		/* core supplies */
-		AVDD-supply = <&ldo18_reg>;
-		DBVDD1-supply = <&ldo18_reg>;
-		CPVDD-supply = <&ldo18_reg>;
-		DBVDD2-supply = <&ldo18_reg>;
-		DBVDD3-supply = <&ldo18_reg>;
-
-		controller-data {
-			samsung,spi-feedback-delay = <0>;
-		};
-	};
-};
-
-&timer {
-	clock-frequency = <24000000>;
-};
-
-&tmu_atlas0 {
-	vtmu-supply = <&ldo3_reg>;
-	status = "okay";
-};
-
-&tmu_apollo {
-	vtmu-supply = <&ldo3_reg>;
-	status = "okay";
-};
-
-&tmu_g3d {
-	vtmu-supply = <&ldo3_reg>;
-	status = "okay";
-};
-
-&usbdrd30 {
-	vdd33-supply = <&ldo10_reg>;
-	vdd10-supply = <&ldo6_reg>;
-	status = "okay";
-};
-
-&usbdrd_dwc3_0 {
-	dr_mode = "otg";
-};
-
-&usbdrd30_phy {
-	vbus-supply = <&safeout1_reg>;
-	status = "okay";
-};
-
-&xxti {
-	clock-frequency = <24000000>;
-};
+/*
+ * SAMSUNG Exynos5433 TM2 board device tree source
+ *
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ *
+ * Device tree source file for Samsung's TM2 board which is based on
+ * Samsung Exynos5433 SoC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "exynos5433-tm2-common.dtsi"
+
+/ {
+	model = "Samsung TM2E board";
+	compatible = "samsung,tm2e", "samsung,exynos5433";
+};
+
+&regulators {
+	ldo31_reg: LDO31 {
+		regulator-name = "TSP_VDD_1.85V_AP";
+		regulator-min-microvolt = <1850000>;
+		regulator-max-microvolt = <1850000>;
+	};
+
+	ldo38_reg: LDO38 {
+		regulator-name = "VCC_3.0V_MOTOR_AP";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+	};
+};
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
index 854c583092d5..53e361f61ad5 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts
@@ -11,21 +11,23 @@
  * published by the Free Software Foundation.
  */
 
-#include "exynos5433-tm2.dts"
+#include "exynos5433-tm2-common.dtsi"
 
 / {
 	model = "Samsung TM2E board";
 	compatible = "samsung,tm2e", "samsung,exynos5433";
 };
 
-&ldo31_reg {
-	regulator-name = "TSP_VDD_1.8V_AP";
-	regulator-min-microvolt = <1800000>;
-	regulator-max-microvolt = <1800000>;
-};
+&regulators {
+	ldo31_reg: LDO31 {
+		regulator-name = "TSP_VDD_1.8V_AP";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
 
-&ldo38_reg {
-	regulator-name = "VCC_3.3V_MOTOR_AP";
-	regulator-min-microvolt = <3300000>;
-	regulator-max-microvolt = <3300000>;
+	ldo38_reg: LDO38 {
+		regulator-name = "VCC_3.3V_MOTOR_AP";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
-- 
2.11.0

Re: [PATCH v4 2/5] arm64: dts: exynos: make tm2 and tm2e independent from each other

[Krzysztof Kozlowski]

On Fri, Jan 06, 2017 at 08:41:11PM +0900, Andi Shyti wrote:
> Currently tm2e dts includes tm2 but there are some differences
> between the two boards and tm2 has some properties that tm2e
> doesn't have.
> 
> That's why it's important to keep the two dts files independent
> and put all the commonalities in a tm2-common.dtsi file.
> 
> At the current status the only two differences between the two
> dts files (besides the board name) are ldo31 and ldo38.
> 
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
>  ...ynos5433-tm2.dts => exynos5433-tm2-common.dtsi} |   24 +-
>  arch/arm64/boot/dts/exynos/exynos5433-tm2.dts      | 1153 +-------------------
>  arch/arm64/boot/dts/exynos/exynos5433-tm2e.dts     |   22 +-
>  3 files changed, 56 insertions(+), 1143 deletions(-)
>  copy arch/arm64/boot/dts/exynos/{exynos5433-tm2.dts => exynos5433-tm2-common.dtsi} (98%)
>  rewrite arch/arm64/boot/dts/exynos/exynos5433-tm2.dts (98%)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> similarity index 98%
> copy from arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> copy to arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index e8971f4a5977..c43f9a38adf6 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi

Thanks. Now I can easily see the differences... and there are
differences! This is much, much easier to review then all previous
versions.

> @@ -3,8 +3,8 @@
>   *
>   * Copyright (c) 2016 Samsung Electronics Co., Ltd.
>   *
> - * Device tree source file for Samsung's TM2 board which is based on
> - * Samsung Exynos5433 SoC.
> + * Common device tree source file for Samsung's TM2 and TM2E boards
> + * which are based on Samsung Exynos5433 SoC.
>   *
>   * This program is free software; you can redistribute it and/or modify
>   * it under the terms of the GNU General Public License version 2 as
> @@ -322,7 +322,7 @@
>  				"s2mps13_bt";
>  		};
>  
> -		regulators {
> +		regulators: regulators {

I understand that you added the label to create LDO31 and LDO38
regulators in specific DTS (I read your comments below). I do not have
strong opinion but I would prefer overriding in DTS instead of new addon, so:
1. without the label above,
2. with something like:
	ldo31_reg: LDO31 {
		/*
		 * LDO31 differs from target to target,
		 * its definition is in the .dts
		 */
	};

With such empty stub, one can still find all the regulator nodes in
common DTSI. I find it more readable. What do you think?

Best regards,
Krzysztof

>  			ldo1_reg: LDO1 {
>  				regulator-name = "VDD_ALIVE_0.9V_AP";
>  				regulator-min-microvolt = <900000>;
> @@ -552,11 +552,10 @@
>  				regulator-max-microvolt = <3300000>;
>  			};
>  
> -			ldo31_reg: LDO31 {
> -				regulator-name = "TSP_VDD_1.85V_AP";
> -				regulator-min-microvolt = <1850000>;
> -				regulator-max-microvolt = <1850000>;
> -			};
> +			/*
> +			 * LDO31 differs from target to target,
> +			 * its definition is in the .dts
> +			 */
>  
>  			ldo32_reg: LDO32 {
>  				regulator-name = "VTOUCH_1.8V_AP";
> @@ -595,11 +594,10 @@
>  				regulator-max-microvolt = <1800000>;
>  			};
>  
> -			ldo38_reg: LDO38 {
> -				regulator-name = "VCC_3.0V_MOTOR_AP";
> -				regulator-min-microvolt = <3000000>;
> -				regulator-max-microvolt = <3000000>;
> -			};
> +			/*
> +			 * LDO38 differs from target to target,
> +			 * its definition is in the .dts
> +			 */
>  
>  			ldo39_reg: LDO39 {
>  				regulator-name = "V_HRM_1.8V";

Re: [PATCH v4 2/5] arm64: dts: exynos: make tm2 and tm2e independent from each other

[Javier Martinez Canillas]

Hello Andi,

On 01/06/2017 08:41 AM, Andi Shyti wrote:
> Currently tm2e dts includes tm2 but there are some differences
> between the two boards and tm2 has some properties that tm2e
> doesn't have.
> 
> That's why it's important to keep the two dts files independent
> and put all the commonalities in a tm2-common.dtsi file.
> 
> At the current status the only two differences between the two
> dts files (besides the board name) are ldo31 and ldo38.
> 
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---

Patch looks good to me.

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

I've some comments though:

> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> dissimilarity index 98%
> index e8971f4a5977..d30b45a9c0d4 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
> @@ -1,1120 +1,33 @@

[snip]

> -
> -/ {
> -	model = "Samsung TM2 board";
> -	compatible = "samsung,tm2", "samsung,exynos5433";
> -

[snip]

> +
> +/ {
> +	model = "Samsung TM2E board";
> +	compatible = "samsung,tm2e", "samsung,exynos5433";
> +};
> +

You ended with the wrong model and compatible for TM2.

Speaking about these, I noticed that the common .dtsi has the TM2 model and
compatible. I think those don't belong to .dtsi files and instead should be
defined on each .dts file.

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America

[PATCH v4 3/5] input: Add support for the tm2 touchkey device driver

[Andi Shyti]

From: Jaechul Lee <jcsing.lee@samsung.com>

This patch adds the binding description of the tm2 touchkey
device driver.

Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
---
 .../bindings/input/samsung,tm2-touchkey.txt        | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt

diff --git a/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt b/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt
new file mode 100644
index 000000000000..4de1af0f0a37
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt
@@ -0,0 +1,27 @@
+Samsung tm2-touchkey
+
+Required properties:
+- compatible: must be "samsung,tm2-touchkey"
+- reg: I2C address of the chip.
+- interrupt-parent: a phandle for the interrupt controller (see interrupt
+	binding[0]).
+- interrupts: interrupt to which the chip is connected (see interrupt
+	binding[0]).
+- vcc-supply : internal regulator output. 1.8V
+- vdd-supply : power supply for IC 3.3V
+
+[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+
+Example:
+	&i2c0 {
+		/* ... */
+
+		touchkey@20 {
+			compatible = "samsung,tm2-touchkey";
+			reg = <0x20>;
+			interrupt-parent = <&gpa3>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+			vcc-supply=<&ldo32_reg>;
+			vdd-supply=<&ldo33_reg>;
+		};
+	};
-- 
2.11.0

Re: [PATCH v4 3/5] input: Add support for the tm2 touchkey device driver

[Krzysztof Kozlowski]

On Fri, Jan 06, 2017 at 08:41:12PM +0900, Andi Shyti wrote:
> From: Jaechul Lee <jcsing.lee@samsung.com>
> 
> This patch adds the binding description of the tm2 touchkey
> device driver.
> 
> Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
> Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
> Acked-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
>  .../bindings/input/samsung,tm2-touchkey.txt        | 27 ++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt


Acked-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof

[PATCH v4 4/5] input: tm2-touchkey: Add touchkey driver support for TM2

[Andi Shyti]

From: Jaechul Lee <jcsing.lee@samsung.com>

This patch adds support for the TM2 touch key and led
functionality.

The driver interfaces with userspace through an input device and
reports KEY_PHONE and KEY_BACK event types. LED brightness can be
controlled by "/sys/class/leds/tm2-touchkey/brightness".

Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
---
 drivers/input/keyboard/Kconfig        |  11 ++
 drivers/input/keyboard/Makefile       |   1 +
 drivers/input/keyboard/tm2-touchkey.c | 280 ++++++++++++++++++++++++++++++++++
 3 files changed, 292 insertions(+)
 create mode 100644 drivers/input/keyboard/tm2-touchkey.c

diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index cbd75cf44739..e6e98585b4b0 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -666,6 +666,17 @@ config KEYBOARD_TC3589X
 	  To compile this driver as a module, choose M here: the
 	  module will be called tc3589x-keypad.
 
+config KEYBOARD_TM2_TOUCHKEY
+	tristate "tm2-touchkey support"
+	depends on I2C
+	depends on LEDS_CLASS
+	help
+	  Say Y here to enable device driver for tm2-touchkey with
+	  LED control for the Exynos5433 TM2 board.
+
+	  To compile this driver as a module, choose M here.
+	  module will be called tm2-touchkey.
+
 config KEYBOARD_TWL4030
 	tristate "TI TWL4030/TWL5030/TPS659x0 keypad support"
 	depends on TWL4030_CORE
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index d9f4cfcf3410..7d9acff819a7 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -61,6 +61,7 @@ obj-$(CONFIG_KEYBOARD_SUN4I_LRADC)	+= sun4i-lradc-keys.o
 obj-$(CONFIG_KEYBOARD_SUNKBD)		+= sunkbd.o
 obj-$(CONFIG_KEYBOARD_TC3589X)		+= tc3589x-keypad.o
 obj-$(CONFIG_KEYBOARD_TEGRA)		+= tegra-kbc.o
+obj-$(CONFIG_KEYBOARD_TM2_TOUCHKEY)	+= tm2-touchkey.o
 obj-$(CONFIG_KEYBOARD_TWL4030)		+= twl4030_keypad.o
 obj-$(CONFIG_KEYBOARD_XTKBD)		+= xtkbd.o
 obj-$(CONFIG_KEYBOARD_W90P910)		+= w90p910_keypad.o
diff --git a/drivers/input/keyboard/tm2-touchkey.c b/drivers/input/keyboard/tm2-touchkey.c
new file mode 100644
index 000000000000..92eacb62f8e7
--- /dev/null
+++ b/drivers/input/keyboard/tm2-touchkey.c
@@ -0,0 +1,280 @@
+/*
+ * TM2 touchkey device driver
+ *
+ * Copyright 2005 Phil Blundell
+ * Copyright 2016 Samsung Electronics Co., Ltd.
+ *
+ * Author: Beomho Seo <beomho.seo@samsung.com>
+ * Author: Jaechul Lee <jcsing.lee@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/pm.h>
+#include <linux/regulator/consumer.h>
+
+#define TM2_TOUCHKEY_DEV_NAME		"tm2-touchkey"
+#define TM2_TOUCHKEY_KEYCODE_REG	0x03
+#define TM2_TOUCHKEY_BASE_REG		0x00
+#define TM2_TOUCHKEY_CMD_LED_ON		0x10
+#define TM2_TOUCHKEY_CMD_LED_OFF	0x20
+#define TM2_TOUCHKEY_BIT_PRESS_EV	BIT(3)
+#define TM2_TOUCHKEY_BIT_KEYCODE	GENMASK(2, 0)
+#define TM2_TOUCHKEY_LED_VOLTAGE_MIN	2500000
+#define TM2_TOUCHKEY_LED_VOLTAGE_MAX	3300000
+
+enum {
+	TM2_TOUCHKEY_KEY_MENU = 0x1,
+	TM2_TOUCHKEY_KEY_BACK,
+};
+
+struct tm2_touchkey_data {
+	struct i2c_client *client;
+	struct input_dev *input_dev;
+	struct led_classdev led_dev;
+	struct regulator_bulk_data regulators[2];
+
+	u8 keycode_type;
+	u8 pressed;
+};
+
+static void tm2_touchkey_led_brightness_set(struct led_classdev *led_dev,
+						enum led_brightness brightness)
+{
+	struct tm2_touchkey_data *touchkey =
+	    container_of(led_dev, struct tm2_touchkey_data, led_dev);
+	u32 volt;
+	u8 data;
+
+	if (brightness == LED_OFF) {
+		volt = TM2_TOUCHKEY_LED_VOLTAGE_MIN;
+		data = TM2_TOUCHKEY_CMD_LED_OFF;
+	} else {
+		volt = TM2_TOUCHKEY_LED_VOLTAGE_MAX;
+		data = TM2_TOUCHKEY_CMD_LED_ON;
+	}
+
+	regulator_set_voltage(touchkey->regulators[1].consumer, volt, volt);
+	i2c_smbus_write_byte_data(touchkey->client,
+						TM2_TOUCHKEY_BASE_REG, data);
+}
+
+static int tm2_touchkey_power_enable(struct tm2_touchkey_data *touchkey)
+{
+	int ret = 0;
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(touchkey->regulators),
+						touchkey->regulators);
+	if (ret)
+		return ret;
+
+	/* waiting for device initialization, at least 150ms */
+	msleep(150);
+
+	return 0;
+}
+
+static void tm2_touchkey_power_disable(void *data)
+{
+	struct tm2_touchkey_data *touchkey = data;
+
+	regulator_bulk_disable(ARRAY_SIZE(touchkey->regulators),
+						touchkey->regulators);
+}
+
+static irqreturn_t tm2_touchkey_irq_handler(int irq, void *devid)
+{
+	struct tm2_touchkey_data *touchkey = devid;
+	u32 data;
+
+	data = i2c_smbus_read_byte_data(touchkey->client,
+					TM2_TOUCHKEY_KEYCODE_REG);
+
+	if (data < 0) {
+		dev_err(&touchkey->client->dev, "Failed to read i2c data\n");
+		return IRQ_HANDLED;
+	}
+
+	touchkey->keycode_type = data & TM2_TOUCHKEY_BIT_KEYCODE;
+	touchkey->pressed = !(data & TM2_TOUCHKEY_BIT_PRESS_EV);
+
+	if (touchkey->keycode_type != TM2_TOUCHKEY_KEY_MENU &&
+	    touchkey->keycode_type != TM2_TOUCHKEY_KEY_BACK) {
+		dev_warn(&touchkey->client->dev, "Skip unhandled keycode(%d)\n",
+							touchkey->keycode_type);
+		return IRQ_HANDLED;
+	}
+
+	if (!touchkey->pressed) {
+		input_report_key(touchkey->input_dev, KEY_PHONE, 0);
+		input_report_key(touchkey->input_dev, KEY_BACK, 0);
+	} else {
+		if (touchkey->keycode_type == TM2_TOUCHKEY_KEY_MENU)
+			input_report_key(touchkey->input_dev,
+					 KEY_PHONE, 1);
+		else
+			input_report_key(touchkey->input_dev,
+					 KEY_BACK, 1);
+	}
+	input_sync(touchkey->input_dev);
+
+	return IRQ_HANDLED;
+}
+
+static int tm2_touchkey_probe(struct i2c_client *client,
+					const struct i2c_device_id *id)
+{
+	struct tm2_touchkey_data *touchkey;
+	int ret;
+
+	ret = i2c_check_functionality(client->adapter,
+				      I2C_FUNC_SMBUS_BYTE |
+				      I2C_FUNC_SMBUS_BYTE_DATA);
+	if (!ret) {
+		dev_err(&client->dev, "No I2C functionality found\n");
+		return -ENODEV;
+	}
+
+	touchkey = devm_kzalloc(&client->dev, sizeof(*touchkey), GFP_KERNEL);
+	if (!touchkey)
+		return -ENOMEM;
+
+	touchkey->client = client;
+	i2c_set_clientdata(client, touchkey);
+
+	/* regulators */
+	touchkey->regulators[0].supply = "vcc";
+	touchkey->regulators[1].supply = "vdd";
+	ret = devm_regulator_bulk_get(&client->dev,
+					ARRAY_SIZE(touchkey->regulators),
+					touchkey->regulators);
+	if (ret) {
+		dev_err(&client->dev, "Failed to get regulators\n");
+		return ret;
+	}
+
+	/* power */
+	ret = tm2_touchkey_power_enable(touchkey);
+	if (ret) {
+		dev_err(&client->dev, "Failed to enable power\n");
+		return ret;
+	}
+
+	ret = devm_add_action_or_reset(&client->dev,
+					tm2_touchkey_power_disable, touchkey);
+	if (ret)
+		return ret;
+
+	/* input device */
+	touchkey->input_dev = devm_input_allocate_device(&client->dev);
+	if (!touchkey->input_dev) {
+		dev_err(&client->dev, "Failed to alloc input device\n");
+		return -ENOMEM;
+	}
+	touchkey->input_dev->name = TM2_TOUCHKEY_DEV_NAME;
+	touchkey->input_dev->id.bustype = BUS_I2C;
+
+	set_bit(EV_KEY, touchkey->input_dev->evbit);
+	input_set_capability(touchkey->input_dev, EV_KEY, KEY_PHONE);
+	input_set_capability(touchkey->input_dev, EV_KEY, KEY_BACK);
+
+	input_set_drvdata(touchkey->input_dev, touchkey);
+
+	ret = input_register_device(touchkey->input_dev);
+	if (ret) {
+		dev_err(&client->dev, "Failed to register input device\n");
+		return ret;
+	}
+
+	/* irq */
+	ret = devm_request_threaded_irq(&client->dev,
+					client->irq, NULL,
+					tm2_touchkey_irq_handler,
+					IRQF_ONESHOT, TM2_TOUCHKEY_DEV_NAME,
+					touchkey);
+	if (ret) {
+		dev_err(&client->dev, "Failed to request threaded irq\n");
+		return ret;
+	}
+
+	/* led device */
+	touchkey->led_dev.name = TM2_TOUCHKEY_DEV_NAME;
+	touchkey->led_dev.brightness = LED_FULL;
+	touchkey->led_dev.max_brightness = LED_FULL;
+	touchkey->led_dev.brightness_set = tm2_touchkey_led_brightness_set;
+
+	ret = devm_led_classdev_register(&client->dev, &touchkey->led_dev);
+	if (ret < 0) {
+		dev_err(&client->dev, "Failed to register touchkey led\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int __maybe_unused tm2_touchkey_suspend(struct device *dev)
+{
+	struct tm2_touchkey_data *touchkey = dev_get_drvdata(dev);
+
+	disable_irq(touchkey->client->irq);
+	tm2_touchkey_power_disable(touchkey);
+
+	return 0;
+}
+
+static int __maybe_unused tm2_touchkey_resume(struct device *dev)
+{
+	struct tm2_touchkey_data *touchkey = dev_get_drvdata(dev);
+	int ret;
+
+	enable_irq(touchkey->client->irq);
+	ret = tm2_touchkey_power_enable(touchkey);
+	if (ret)
+		dev_err(dev, "Failed to enable power\n");
+
+	return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(tm2_touchkey_pm_ops, tm2_touchkey_suspend,
+							tm2_touchkey_resume);
+
+static const struct i2c_device_id tm2_touchkey_id_table[] = {
+	{TM2_TOUCHKEY_DEV_NAME, 0},
+	{},
+};
+MODULE_DEVICE_TABLE(i2c, tm2_touchkey_id_table);
+
+static const struct of_device_id tm2_touchkey_of_match[] = {
+	{.compatible = "samsung,tm2-touchkey",},
+	{},
+};
+MODULE_DEVICE_TABLE(of, tm2_touchkey_of_match);
+
+static struct i2c_driver tm2_touchkey_driver = {
+	.driver = {
+		.name = TM2_TOUCHKEY_DEV_NAME,
+		.pm = &tm2_touchkey_pm_ops,
+		.of_match_table = of_match_ptr(tm2_touchkey_of_match),
+	},
+	.probe = tm2_touchkey_probe,
+	.id_table = tm2_touchkey_id_table,
+};
+
+module_i2c_driver(tm2_touchkey_driver);
+
+MODULE_AUTHOR("Beomho Seo <beomho.seo@samsung.com>");
+MODULE_AUTHOR("Jaechul Lee <jcsing.lee@samsung.com>");
+MODULE_DESCRIPTION("Samsung touchkey driver");
+MODULE_LICENSE("GPL v2");
-- 
2.11.0

Re: [PATCH v4 4/5] input: tm2-touchkey: Add touchkey driver support for TM2

[Krzysztof Kozlowski]

On Fri, Jan 06, 2017 at 08:41:13PM +0900, Andi Shyti wrote:
> From: Jaechul Lee <jcsing.lee@samsung.com>
> 
> This patch adds support for the TM2 touch key and led
> functionality.
> 
> The driver interfaces with userspace through an input device and
> reports KEY_PHONE and KEY_BACK event types. LED brightness can be
> controlled by "/sys/class/leds/tm2-touchkey/brightness".
> 
> Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
> Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
> Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
>  drivers/input/keyboard/Kconfig        |  11 ++
>  drivers/input/keyboard/Makefile       |   1 +
>  drivers/input/keyboard/tm2-touchkey.c | 280 ++++++++++++++++++++++++++++++++++
>  3 files changed, 292 insertions(+)
>  create mode 100644 drivers/input/keyboard/tm2-touchkey.c
> 

Acked-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof

[PATCH v4 5/5] arm64: dts: exynos: Add tm2 touchkey node

[Andi Shyti]

From: Jaechul Lee <jcsing.lee@samsung.com>

Add DT node support for TM2 touchkey device.

Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
---
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index d30b45a9c0d4..15bdc2e9f2a3 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -18,6 +18,19 @@
 	compatible = "samsung,tm2e", "samsung,exynos5433";
 };
 
+&hsi2c_9 {
+	status = "okay";
+
+	touchkey@20 {
+		compatible = "samsung,tm2-touchkey";
+		reg = <0x20>;
+		interrupt-parent = <&gpa3>;
+		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+		vcc-supply = <&ldo32_reg>;
+		vdd-supply = <&ldo33_reg>;
+	};
+};
+
 &regulators {
 	ldo31_reg: LDO31 {
 		regulator-name = "TSP_VDD_1.85V_AP";
-- 
2.11.0