Enable the cyttsp5 and rohm,bd71815 in the device trees and
defconfig for the reMarkable 2.
v4:
- Fixup the rohm changes to match DT schema
v3:
- Remove unused sleep states
v2:
- Fixup DT formatting issues in path 3
Alistair Francis (3):
ARM: dts: imx7d-remarkable2: Enable the cyttsp5
ARM: imx_v6_v7_defconfig: Enable rohm,bd71815
ARM: dts: imx7d-remarkable2: Enable the rohm,bd71815
arch/arm/boot/dts/imx7d-remarkable2.dts | 239 ++++++++++++++++++++++++
arch/arm/configs/imx_v6_v7_defconfig | 5 +
2 files changed, 244 insertions(+)
--
2.39.1
Add support for the cyttsp5 touchscreen controller for the reMarkable 2.
Signed-off-by: Alistair Francis <[email protected]>
---
arch/arm/boot/dts/imx7d-remarkable2.dts | 97 +++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 8b2f11e85e05..288fc8611117 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -8,6 +8,7 @@
/dts-v1/;
#include "imx7d.dtsi"
+#include <dt-bindings/input/linux-event-codes.h>
/ {
model = "reMarkable 2.0";
@@ -69,6 +70,17 @@ reg_digitizer: regulator-digitizer {
startup-delay-us = <100000>; /* 100 ms */
};
+ reg_touch: regulator-touch {
+ compatible = "regulator-fixed";
+ regulator-name = "VDD_3V3_TOUCH";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch_reg>;
+ gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
@@ -106,6 +118,68 @@ wacom_digitizer: digitizer@9 {
};
};
+&i2c3 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3>;
+ status = "okay";
+
+ touchscreen@24 {
+ compatible = "cypress,tt21000";
+ reg = <0x24>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_touch>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <14 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
+ vdd-supply = <®_touch>;
+ touchscreen-size-x = <880>;
+ touchscreen-size-y = <1280>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ button@0 {
+ reg = <0>;
+ linux,keycodes = <KEY_HOMEPAGE>;
+ };
+
+ button@1 {
+ reg = <1>;
+ linux,keycodes = <KEY_MENU>;
+ };
+
+ button@2 {
+ reg = <2>;
+ linux,keycodes = <KEY_BACK>;
+ };
+
+ button@3 {
+ reg = <3>;
+ linux,keycodes = <KEY_SEARCH>;
+ };
+
+ button@4 {
+ reg = <4>;
+ linux,keycodes = <KEY_VOLUMEDOWN>;
+ };
+
+ button@5 {
+ reg = <5>;
+ linux,keycodes = <KEY_VOLUMEUP>;
+ };
+
+ button@6 {
+ reg = <6>;
+ linux,keycodes = <KEY_CAMERA>;
+ };
+
+ button@7 {
+ reg = <7>;
+ linux,keycodes = <KEY_POWER>;
+ };
+ };
+};
+
&i2c4 {
clock-frequency = <100000>;
pinctrl-names = "default", "sleep";
@@ -232,6 +306,15 @@ MX7D_PAD_ENET1_RGMII_TXC__GPIO7_IO11 0x00000014
>;
};
+ pinctrl_touch: touchgrp {
+ fsl,pins = <
+ /* CYTTSP interrupt */
+ MX7D_PAD_GPIO1_IO14__GPIO1_IO14 0x54
+ /* CYTTSP reset */
+ MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x04
+ >;
+ };
+
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f
@@ -239,6 +322,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
>;
};
+ pinctrl_i2c3: i2c3grp {
+ fsl,pins = <
+ MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f
+ MX7D_PAD_I2C3_SCL__I2C3_SCL 0x4000007f
+ >;
+ };
+
pinctrl_i2c4: i2c4grp {
fsl,pins = <
MX7D_PAD_I2C4_SDA__I2C4_SDA 0x4000007f
@@ -246,6 +336,13 @@ MX7D_PAD_I2C4_SCL__I2C4_SCL 0x4000007f
>;
};
+ pinctrl_touch_reg: touchreggrp {
+ fsl,pins = <
+ /* TOUCH_PWR_EN */
+ MX7D_PAD_GPIO1_IO11__GPIO1_IO11 0x14
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
--
2.39.1
The reMarkable 2 uses the rohm,bd71815 power controller, so enable it in
the defconfig.
Signed-off-by: Alistair Francis <[email protected]>
---
arch/arm/configs/imx_v6_v7_defconfig | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6_v7_defconfig
index 6dc6fed12af8..02ccc86a8d4a 100644
--- a/arch/arm/configs/imx_v6_v7_defconfig
+++ b/arch/arm/configs/imx_v6_v7_defconfig
@@ -213,6 +213,7 @@ CONFIG_GPIO_SIOX=m
CONFIG_GPIO_MAX732X=y
CONFIG_GPIO_PCA953X=y
CONFIG_GPIO_PCF857X=y
+CONFIG_GPIO_BD71815=y
CONFIG_GPIO_STMPE=y
CONFIG_GPIO_74X164=y
CONFIG_POWER_RESET=y
@@ -242,8 +243,10 @@ CONFIG_MFD_MC13XXX_I2C=y
CONFIG_MFD_SY7636A=y
CONFIG_MFD_RN5T618=y
CONFIG_MFD_STMPE=y
+CONFIG_MFD_ROHM_BD71828=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_ANATOP=y
+CONFIG_REGULATOR_BD71815=y
CONFIG_REGULATOR_DA9052=y
CONFIG_REGULATOR_DA9062=y
CONFIG_REGULATOR_DA9063=y
@@ -380,6 +383,7 @@ CONFIG_RTC_DRV_ISL1208=y
CONFIG_RTC_DRV_PCF8523=y
CONFIG_RTC_DRV_PCF8563=y
CONFIG_RTC_DRV_M41T80=y
+CONFIG_RTC_DRV_BD70528=y
CONFIG_RTC_DRV_RC5T619=y
CONFIG_RTC_DRV_RV3029C2=y
CONFIG_RTC_DRV_DA9063=y
@@ -396,6 +400,7 @@ CONFIG_STAGING=y
CONFIG_STAGING_MEDIA=y
CONFIG_VIDEO_IMX_MEDIA=y
CONFIG_COMMON_CLK_PWM=y
+CONFIG_COMMON_CLK_BD718XX=y
CONFIG_CLK_IMX8MM=y
CONFIG_CLK_IMX8MN=y
CONFIG_CLK_IMX8MP=y
--
2.39.1
Add support for the rohm,bd71815 power controller controller for the
reMarkable 2.
Signed-off-by: Alistair Francis <[email protected]>
Reviewed-by: Matti Vaittinen <[email protected]>
---
arch/arm/boot/dts/imx7d-remarkable2.dts | 142 ++++++++++++++++++++++++
1 file changed, 142 insertions(+)
diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 288fc8611117..dc954e4f63e0 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -91,6 +91,10 @@ wifi_pwrseq: wifi_pwrseq {
};
};
+&cpu0 {
+ cpu-supply = <&buck1>;
+};
+
&clks {
assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
<&clks IMX7D_CLKO2_ROOT_DIV>;
@@ -118,6 +122,131 @@ wacom_digitizer: digitizer@9 {
};
};
+&i2c2 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "okay";
+
+ bd71815: pmic@4b {
+ compatible = "rohm,bd71815";
+ reg = <0x4b>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_bd71815>;
+ interrupt-parent = <&gpio6>; /* PMIC_INT_B GPIO6_IO16 */
+ interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
+ gpio-controller;
+ clocks = <&clks IMX7D_CLKO2_ROOT_SRC>;
+ clock-output-names = "bd71815-32k-out";
+ #clock-cells = <0>;
+ #gpio-cells = <2>;
+
+ regulators {
+ buck1: buck1 {
+ regulator-name = "buck1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <1250>;
+ };
+
+ buck2: buck2 {
+ regulator-name = "buck2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <1250>;
+ };
+
+ buck3: buck3 {
+ regulator-name = "buck3";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <2700000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck4: buck4 {
+ regulator-name = "buck4";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1850000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ buck5: buck5 {
+ regulator-name = "buck5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo1: ldo1 {
+ regulator-name = "ldo1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo2: ldo2 {
+ regulator-name = "ldo2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo3: ldo3 {
+ regulator-name = "ldo3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo4: ldo4 {
+ regulator-name = "ldo4";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo5: ldo5 {
+ regulator-name = "ldo5";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo6: ldodvref {
+ regulator-name = "ldodvref";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ ldo7: ldolpsr {
+ regulator-name = "ldolpsr";
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ boost: wled {
+ regulator-name = "wled";
+ regulator-min-microamp = <10>;
+ regulator-max-microamp = <25000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+};
+
&i2c3 {
clock-frequency = <100000>;
pinctrl-names = "default";
@@ -292,6 +421,12 @@ MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x00000034 /* WACOM INT */
};
&iomuxc {
+ pinctrl_bd71815: bd71815grp {
+ fsl,pins = <
+ MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 0x59
+ >;
+ };
+
pinctrl_brcm_reg: brcmreggrp {
fsl,pins = <
/* WIFI_PWR_EN */
@@ -322,6 +457,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
>;
};
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX7D_PAD_I2C2_SDA__I2C2_SDA 0x4000007f
+ MX7D_PAD_I2C2_SCL__I2C2_SCL 0x4000007f
+ >;
+ };
+
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f
--
2.39.1
On Mon, Feb 27, 2023 at 02:50:20PM +1000, Alistair Francis wrote:
> Enable the cyttsp5 and rohm,bd71815 in the device trees and
> defconfig for the reMarkable 2.
>
> v4:
> - Fixup the rohm changes to match DT schema
> v3:
> - Remove unused sleep states
> v2:
> - Fixup DT formatting issues in path 3
>
> Alistair Francis (3):
> ARM: dts: imx7d-remarkable2: Enable the cyttsp5
> ARM: imx_v6_v7_defconfig: Enable rohm,bd71815
> ARM: dts: imx7d-remarkable2: Enable the rohm,bd71815
Applied all, thanks!