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- diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
- index 9863b50ad6da..4ec57b4a087f 100644
- --- a/arch/arm/boot/dts/overlays/Makefile
- +++ b/arch/arm/boot/dts/overlays/Makefile
- @@ -27,6 +27,11 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- audremap.dtbo \
- balena-fin.dtbo \
- bmp085_i2c-sensor.dtbo \
- + devterm-bt.dtbo \
- + devterm-misc.dtbo \
- + devterm-panel.dtbo \
- + devterm-pmu.dtbo \
- + devterm-wifi.dtbo \
- dht11.dtbo \
- dionaudio-loco.dtbo \
- dionaudio-loco-v2.dtbo \
- diff --git a/arch/arm/boot/dts/overlays/devterm-bt-overlay.dts b/arch/arm/boot/dts/overlays/devterm-bt-overlay.dts
- new file mode 100755
- index 000000000000..4b634fdd3bda
- --- /dev/null
- +++ b/arch/arm/boot/dts/overlays/devterm-bt-overlay.dts
- @@ -0,0 +1,40 @@
- +/dts-v1/;
- +/plugin/;
- +
- +/{
- + compatible = "brcm,bcm2835";
- +
- + fragment@0 {
- + target = <&uart0>;
- + __overlay__ {
- + pinctrl-names = "default";
- + pinctrl-0 = <&uart0_pins &bt_pins>;
- + status = "okay";
- + };
- + };
- +
- + fragment@1 {
- + target = <&gpio>;
- + __overlay__ {
- + uart0_pins: uart0_pins {
- + brcm,pins = <14 15 16 17>;
- + brcm,function = <4 4 7 7>;
- + brcm,pull = <0 2 0 2>;
- + };
- +
- + bt_pins: bt_pins {
- + brcm,pins = <5 6 7>;
- + brcm,function = <1 0 1>;
- + brcm,pull = <0 2 0>;
- + };
- + };
- + };
- +
- + fragment@2 {
- + target-path = "/aliases";
- + __overlay__ {
- + serial1 = "/soc/serial@7e201000";
- + serial0 = "/soc/serial@7e215040";
- + };
- + };
- +};
- diff --git a/arch/arm/boot/dts/overlays/devterm-misc-overlay.dts b/arch/arm/boot/dts/overlays/devterm-misc-overlay.dts
- new file mode 100644
- index 000000000000..84413870bf4c
- --- /dev/null
- +++ b/arch/arm/boot/dts/overlays/devterm-misc-overlay.dts
- @@ -0,0 +1,94 @@
- +/dts-v1/;
- +/plugin/;
- +
- +/{
- + compatible = "brcm,bcm2835";
- +
- + fragment@0 {
- + target = <&pwm>;
- + __overlay__ {
- + pinctrl-names = "default";
- + pinctrl-0 = <&pwm_pins>;
- + assigned-clock-rates = <100000000>;
- + status = "okay";
- + };
- + };
- +
- + fragment@1 {
- + target = <&i2c1>;
- + __overlay__ {
- + #address-cells = <1>;
- + #size-cells = <0>;
- + pinctrl-names = "default";
- + pinctrl-0 = <&i2c1_pins>;
- + status = "okay";
- +
- + adc101c: adc@54 {
- + reg = <0x54>;
- + compatible = "ti,adc101c";
- + status = "okay";
- + };
- +
- + };
- + };
- +
- + fragment@2 {
- + target = <&spi0>;
- + __overlay__ {
- + pinctrl-names = "default";
- + pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
- + cs-gpios = <&gpio 35 1>;
- + status = "okay";
- + };
- + };
- +
- + fragment@3 {
- + target = <&uart1>;
- + __overlay__ {
- + pinctrl-names = "default";
- + pinctrl-0 = <&uart1_pins>;
- + status = "okay";
- + };
- + };
- +
- + fragment@4 {
- + target = <&gpio>;
- + __overlay__ {
- +
- + pwm_pins: pwm_pins {
- + brcm,pins = <12 13>;
- + brcm,function = <4>;
- + };
- +
- + i2c1_pins: i2c1 {
- + brcm,pins = <44 45>;
- + brcm,function = <6>;
- + };
- +
- + spi0_pins: spi0_pins {
- + brcm,pins = <38 39>;
- + brcm,function = <4>;
- + };
- +
- + spi0_cs_pins: spi0_cs_pins {
- + brcm,pins = <35>;
- + brcm,function = <1>;
- + };
- +
- + uart1_pins: uart1_pins {
- + brcm,pins = <32 33>;
- + brcm,function = <2>;
- + brcm,pull = <0 2>;
- + };
- +
- + };
- + };
- +
- + fragment@5 {
- + target-path = "/chosen";
- + __overlay__ {
- + bootargs = "8250.nr_uarts=1";
- + };
- + };
- +
- +};
- diff --git a/arch/arm/boot/dts/overlays/devterm-panel-overlay.dts b/arch/arm/boot/dts/overlays/devterm-panel-overlay.dts
- new file mode 100644
- index 000000000000..7d9ff963f309
- --- /dev/null
- +++ b/arch/arm/boot/dts/overlays/devterm-panel-overlay.dts
- @@ -0,0 +1,46 @@
- +/dts-v1/;
- +/plugin/;
- +
- +/ {
- + compatible = "brcm,bcm2835";
- +
- + fragment@0 {
- + target=<&dsi1>;
- + __overlay__ {
- + #address-cells = <1>;
- + #size-cells = <0>;
- + status = "okay";
- +
- + port {
- + dsi_out_port: endpoint {
- + remote-endpoint = <&panel_dsi_port>;
- + };
- + };
- +
- + panel_cwd686: panel@0 {
- + compatible = "cw,cwd686";
- + reg = <0>;
- + reset-gpio = <&gpio 8 1>;
- + backlight = <&ocp8178_backlight>;
- +
- + port {
- + panel_dsi_port: endpoint {
- + remote-endpoint = <&dsi_out_port>;
- + };
- + };
- + };
- + };
- + };
- +
- + fragment@1 {
- + target-path = "/";
- + __overlay__ {
- + ocp8178_backlight: backlight@0 {
- + compatible = "ocp8178-backlight";
- + backlight-control-gpios = <&gpio 9 0>;
- + default-brightness = <5>;
- + };
- + };
- + };
- +
- +};
- diff --git a/arch/arm/boot/dts/overlays/devterm-pmu-overlay.dts b/arch/arm/boot/dts/overlays/devterm-pmu-overlay.dts
- new file mode 100644
- index 000000000000..45f730e0e757
- --- /dev/null
- +++ b/arch/arm/boot/dts/overlays/devterm-pmu-overlay.dts
- @@ -0,0 +1,124 @@
- +/dts-v1/;
- +/plugin/;
- +
- +/ {
- + compatible = "brcm,bcm2835";
- +
- + fragment@0 {
- + target = <&i2c0>;
- + __overlay__ {
- + #address-cells = <1>;
- + #size-cells = <0>;
- + pinctrl-0 = <&i2c0_pins>;
- + pinctrl-names = "default";
- + status = "okay";
- +
- + axp22x: pmic@34 {
- + interrupt-controller;
- + #interrupt-cells = <1>;
- + compatible = "x-powers,axp221";
- + reg = <0x34>; /* i2c address */
- + interrupt-parent = <&gpio>;
- + interrupts = <2 8>; /* IRQ_TYPE_EDGE_FALLING */
- + irq-gpios = <&gpio 2 0>;
- +
- + regulators {
- +
- + x-powers,dcdc-freq = <3000>;
- +
- + reg_aldo1: aldo1 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "audio-vdd";
- + };
- +
- + reg_aldo2: aldo2 {
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "display-vcc";
- + };
- +
- + reg_aldo3: aldo3 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "wifi-vdd";
- + };
- +
- + reg_dldo1: dldo1 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "wifi-vcc1";
- + };
- +
- + reg_dldo2: dldo2 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "dldo2";
- + };
- +
- + reg_dldo3: dldo3 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "dldo3";
- + };
- +
- + reg_dldo4: dldo4 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "dldo4";
- + };
- +
- + reg_eldo1: eldo1 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "wifi-vcc2";
- + };
- +
- + reg_eldo2: eldo2 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "wifi-vcc3";
- + };
- +
- + reg_eldo3: eldo3 {
- + regulator-always-on;
- + regulator-min-microvolt = <3300000>;
- + regulator-max-microvolt = <3300000>;
- + regulator-name = "wifi-vcc4";
- + };
- +
- + };
- +
- + battery_power_supply: battery-power-supply {
- + compatible = "x-powers,axp221-battery-power-supply";
- + monitored-battery = <&battery>;
- + };
- +
- + usb_power_supply: usb_power_supply {
- + compatible = "x-powers,axp221-usb-power-supply";
- + };
- +
- + };
- + };
- + };
- +
- + fragment@1 {
- + target-path = "/";
- + __overlay__ {
- + battery: battery@0 {
- + compatible = "simple-battery";
- + constant_charge_current_max_microamp = <2100000>;
- + voltage-min-design-microvolt = <3300000>;
- + };
- + };
- + };
- +
- +};
- diff --git a/arch/arm/boot/dts/overlays/devterm-wifi-overlay.dts b/arch/arm/boot/dts/overlays/devterm-wifi-overlay.dts
- new file mode 100644
- index 000000000000..d5da786dc445
- --- /dev/null
- +++ b/arch/arm/boot/dts/overlays/devterm-wifi-overlay.dts
- @@ -0,0 +1,41 @@
- +/dts-v1/;
- +/plugin/;
- +
- +/* Enable SDIO from MMC interface via various GPIO groups */
- +
- +/{
- + compatible = "brcm,bcm2835";
- +
- + fragment@0 {
- + target = <&mmc>;
- + sdio_ovl: __overlay__ {
- + pinctrl-0 = <&sdio_ovl_pins>;
- + pinctrl-names = "default";
- + non-removable;
- + bus-width = <4>;
- + status = "okay";
- + };
- + };
- +
- + fragment@1 {
- + target = <&gpio>;
- + __overlay__ {
- + sdio_ovl_pins: sdio_ovl_pins {
- + brcm,pins = <22 23 24 25 26 27>;
- + brcm,function = <7>; /* ALT3 = SD1 */
- + brcm,pull = <0 2 2 2 2 2>;
- + };
- + };
- + };
- +
- + fragment@2 {
- + target-path = "/";
- + __overlay__ {
- + wifi_pwrseq: wifi-pwrseq {
- + compatible = "mmc-pwrseq-simple";
- + reset-gpios = <&gpio 3 0>;
- + };
- + };
- + };
- +
- +};
- diff --git a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
- index c5f687e8bcb9..d01d5e5d7810 100644
- --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
- +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
- @@ -141,12 +141,20 @@
- };
- };
-
- + fragment@18 {
- + target-path = "/chosen";
- + __dormant__ {
- + bootargs = "cma=384M";
- + };
- + };
- +
- __overrides__ {
- - cma-256 = <0>,"+0-1-2-3-4";
- - cma-192 = <0>,"-0+1-2-3-4";
- - cma-128 = <0>,"-0-1+2-3-4";
- - cma-96 = <0>,"-0-1-2+3-4";
- - cma-64 = <0>,"-0-1-2-3+4";
- + cma-256 = <0>,"+0-1-2-3-4-18";
- + cma-192 = <0>,"-0+1-2-3-4-18";
- + cma-128 = <0>,"-0-1+2-3-4-18";
- + cma-96 = <0>,"-0-1-2+3-4-18";
- + cma-64 = <0>,"-0-1-2-3+4-18";
- + cma-384 = <0>,"-0-1-2-3-4+18";
- audio = <0>,"!17";
- };
- };
- diff --git a/arch/arm/configs/bcm2709_defconfig b/arch/arm/configs/bcm2709_defconfig
- index 4fd6bcc8b2bb..b9fbb84c8811 100644
- --- a/arch/arm/configs/bcm2709_defconfig
- +++ b/arch/arm/configs/bcm2709_defconfig
- @@ -676,7 +676,7 @@ CONFIG_I2C_MUX=m
- CONFIG_I2C_MUX_GPMUX=m
- CONFIG_I2C_MUX_PCA954x=m
- CONFIG_I2C_BCM2708=m
- -CONFIG_I2C_BCM2835=m
- +CONFIG_I2C_BCM2835=y
- CONFIG_I2C_GPIO=m
- CONFIG_I2C_ROBOTFUZZ_OSIF=m
- CONFIG_I2C_TINY_USB=m
- @@ -1468,3 +1468,15 @@ CONFIG_FUNCTION_PROFILER=y
- CONFIG_KGDB=y
- CONFIG_KGDB_KDB=y
- CONFIG_KDB_KEYBOARD=y
- +
- +CONFIG_AXP20X_ADC=m
- +CONFIG_AXP20X_POWER=m
- +CONFIG_BATTERY_AXP20X=m
- +CONFIG_CHARGER_AXP20X=m
- +CONFIG_INPUT_AXP20X_PEK=y
- +CONFIG_MFD_AXP20X=y
- +CONFIG_MFD_AXP20X_I2C=y
- +CONFIG_REGULATOR_AXP20X=y
- +CONFIG_BACKLIGHT_OCP8178=y
- +CONFIG_DRM_PANEL_CWD686=m
- +CONFIG_TI_ADC081C=m
- diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
- index 6020c30a33b3..1a0f8d87c7db 100644
- --- a/drivers/gpu/drm/panel/Kconfig
- +++ b/drivers/gpu/drm/panel/Kconfig
- @@ -186,4 +186,17 @@ config DRM_PANEL_SITRONIX_ST7789V
- Say Y here if you want to enable support for the Sitronix
- ST7789V controller for 240x320 LCD panels
-
- +
- +config DRM_PANEL_CWD686
- + tristate "CWD686 panel"
- + depends on OF
- + depends on DRM_MIPI_DSI
- + depends on BACKLIGHT_CLASS_DEVICE
- + help
- + Say Y here if you want to enable support for CWD686 panel.
- + The panel has a 480x1280 resolution and uses 24 bit RGB per pixel.
- +
- + To compile this driver as a module, choose M here: the module
- + will be called panel-cwd686.
- +
- endmenu
- diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
- index 5ccaaa9d13af..52859d54b0f9 100644
- --- a/drivers/gpu/drm/panel/Makefile
- +++ b/drivers/gpu/drm/panel/Makefile
- @@ -19,3 +19,4 @@ obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o
- obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
- obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o
- obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7789V) += panel-sitronix-st7789v.o
- +obj-$(CONFIG_DRM_PANEL_CWD686) += panel-cwd686.o
- diff --git a/drivers/gpu/drm/panel/panel-cwd686.c b/drivers/gpu/drm/panel/panel-cwd686.c
- new file mode 100644
- index 000000000000..6b6969f29f62
- --- /dev/null
- +++ b/drivers/gpu/drm/panel/panel-cwd686.c
- @@ -0,0 +1,295 @@
- +// SPDX-License-Identifier: GPL-2.0
- +
- +#include <linux/backlight.h>
- +#include <linux/gpio/consumer.h>
- +#include <linux/regulator/consumer.h>
- +
- +#include <video/mipi_display.h>
- +
- +#include <drm/drmP.h>
- +#include <drm/drm_mipi_dsi.h>
- +#include <drm/drm_panel.h>
- +
- +
- +struct cwd686 {
- + struct device *dev;
- + struct drm_panel panel;
- + struct gpio_desc *reset_gpio;
- + struct regulator *supply;
- + struct backlight_device *backlight;
- + bool prepared;
- + bool enabled;
- +};
- +
- +static const struct drm_display_mode default_mode = {
- + .clock = 54465,
- + .hdisplay = 480,
- + .hsync_start = 480 + 150,
- + .hsync_end = 480 + 150 + 24,
- + .htotal = 480 + 150 + 24 + 40,
- + .vdisplay = 1280,
- + .vsync_start = 1280 + 12,
- + .vsync_end = 1280 + 12+ 6,
- + .vtotal = 1280 + 12 + 6 + 10,
- + .vrefresh = 60,
- + .flags = 0,
- +};
- +
- +static inline struct cwd686 *panel_to_cwd686(struct drm_panel *panel)
- +{
- + return container_of(panel, struct cwd686, panel);
- +}
- +
- +#define dcs_write_seq(seq...) \
- +({ \
- + static const u8 d[] = { seq }; \
- + mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
- +})
- +
- +static void cwd686_init_sequence(struct cwd686 *ctx)
- +{
- + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- +
- + dcs_write_seq(0xF0,0x5A,0x5A);
- + dcs_write_seq(0xF1,0xA5,0xA5);
- + dcs_write_seq(0xB6,0x0D,0x0D);
- + dcs_write_seq(0xB4,0x0A,0x08,0x12,0x10,0x0E,0x0C,0x00,0x00,0x00,0x03,0x00,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x04,0x06);
- + dcs_write_seq(0xB3,0x0B,0x09,0x13,0x11,0x0F,0x0D,0x00,0x00,0x00,0x03,0x00,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x05,0x07);
- + dcs_write_seq(0xB0,0x54,0x32,0x23,0x45,0x44,0x44,0x44,0x44,0x90,0x01,0x90,0x01);
- + dcs_write_seq(0xB1,0x32,0x84,0x02,0x83,0x30,0x01,0x6B,0x01);
- + dcs_write_seq(0xB2,0x73);
- + dcs_write_seq(0xBD,0x4E,0x0E,0x50,0x50,0x26,0x1D,0x00,0x14,0x42,0x03);
- + dcs_write_seq(0xB7,0x01,0x01,0x09,0x11,0x0D,0x55,0x19,0x19,0x21,0x1D,0x00,0x00,0x00,0x00,0x02,0xFF,0x3C);
- + dcs_write_seq(0xB8,0x23,0x01,0x30,0x34,0x63);
- + dcs_write_seq(0xB9,0xA0,0x22,0x00,0x44);
- + dcs_write_seq(0xBA,0x12,0x63);
- + dcs_write_seq(0xC1,0x0C,0x16,0x04,0x0C,0x10,0x04);
- + dcs_write_seq(0xC2,0x11,0x41);
- + dcs_write_seq(0xC3,0x22,0x31,0x04);
- + dcs_write_seq(0xC7,0x05,0x23,0x6B,0x49,0x00);
- + dcs_write_seq(0xC5,0x00);
- + dcs_write_seq(0xD0,0x37,0xFF,0xFF);
- + dcs_write_seq(0xD2,0x63,0x0B,0x08,0x88);
- + dcs_write_seq(0xD3,0x01,0x00,0x00,0x01,0x01,0x37,0x25,0x38,0x31,0x06,0x07);
- + dcs_write_seq(0xC8,0x7C,0x6A,0x5D,0x53,0x53,0x45,0x4B,0x35,0x4D,0x4A,0x49,0x66,0x53,0x57,0x4A,0x48,0x3B,0x2A,0x06,0x7C,0x6A,0x5D,0x53,0x53,0x45,0x4B,0x35,0x4D,0x4A,0x49,0x66,0x53,0x57,0x4A,0x48,0x3B,0x2A,0x06);//GAMMA2.2
- + dcs_write_seq(0xC6,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00);
- + dcs_write_seq(0xF4,0x08,0x77);
- + dcs_write_seq(0x36,0x14);
- + dcs_write_seq(0x35,0x00);
- + dcs_write_seq(0xF1,0x5A,0x5A);
- + dcs_write_seq(0xF0,0xA5,0xA5);
- +}
- +
- +static int cwd686_disable(struct drm_panel *panel)
- +{
- + struct cwd686 *ctx = panel_to_cwd686(panel);
- +
- + if (!ctx->enabled)
- + return 0;
- +
- + backlight_disable(ctx->backlight);
- +
- + ctx->enabled = false;
- +
- + return 0;
- +}
- +
- +static int cwd686_unprepare(struct drm_panel *panel)
- +{
- + struct cwd686 *ctx = panel_to_cwd686(panel);
- + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- + int ret;
- +
- +#if 0
- + if (!ctx->prepared)
- + return 0;
- +
- + ret = mipi_dsi_dcs_set_display_off(dsi);
- + if (ret)
- + DRM_WARN("failed to set display off: %d\n", ret);
- +
- + ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
- + if (ret)
- + DRM_WARN("failed to enter sleep mode: %d\n", ret);
- +
- + msleep(120);
- +
- + if (ctx->reset_gpio) {
- + gpiod_set_value_cansleep(ctx->reset_gpio, 1);
- + msleep(20);
- + }
- +
- + regulator_disable(ctx->supply);
- +
- + ctx->prepared = false;
- +#endif
- +
- + return 0;
- +}
- +
- +static int cwd686_prepare(struct drm_panel *panel)
- +{
- + struct cwd686 *ctx = panel_to_cwd686(panel);
- + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
- + int ret;
- +
- + if (ctx->prepared)
- + return 0;
- +
- + ret = regulator_enable(ctx->supply);
- + if (ret < 0) {
- + DRM_ERROR("failed to enable supply: %d\n", ret);
- + return ret;
- + }
- +
- + if (ctx->reset_gpio) {
- + gpiod_set_value_cansleep(ctx->reset_gpio, 1);
- + msleep(10);
- + gpiod_set_value_cansleep(ctx->reset_gpio, 0);
- + msleep(100);
- + }
- +
- + cwd686_init_sequence(ctx);
- +
- + ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
- + if (ret)
- + return ret;
- +
- + msleep(120);
- +
- + ret = mipi_dsi_dcs_set_display_on(dsi);
- + if (ret)
- + return ret;
- +
- + msleep(20);
- +
- + ctx->prepared = true;
- +
- + return 0;
- +}
- +
- +static int cwd686_enable(struct drm_panel *panel)
- +{
- + struct cwd686 *ctx = panel_to_cwd686(panel);
- +
- + if (ctx->enabled)
- + return 0;
- +
- + backlight_enable(ctx->backlight);
- +
- + ctx->enabled = true;
- +
- + return 0;
- +}
- +
- +static int cwd686_get_modes(struct drm_panel *panel)
- +{
- + struct drm_display_mode *mode;
- +
- + mode = drm_mode_duplicate(panel->drm, &default_mode);
- + if (!mode) {
- + DRM_ERROR("failed to add mode %ux%ux@%u\n",
- + default_mode.hdisplay, default_mode.vdisplay,
- + default_mode.vrefresh);
- + return -ENOMEM;
- + }
- +
- + drm_mode_set_name(mode);
- +
- + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
- +
- + panel->connector->display_info.width_mm = mode->width_mm;
- + panel->connector->display_info.height_mm = mode->height_mm;
- +
- + drm_mode_probed_add(panel->connector, mode);
- + return 1;
- +}
- +
- +static const struct drm_panel_funcs cwd686_drm_funcs = {
- + .disable = cwd686_disable,
- + .unprepare = cwd686_unprepare,
- + .prepare = cwd686_prepare,
- + .enable = cwd686_enable,
- + .get_modes = cwd686_get_modes,
- +};
- +
- +static int cwd686_probe(struct mipi_dsi_device *dsi)
- +{
- + struct device *dev = &dsi->dev;
- + struct cwd686 *ctx;
- + int ret;
- +
- + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
- + if (!ctx)
- + return -ENOMEM;
- +
- + ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
- + if (IS_ERR(ctx->reset_gpio)) {
- + ret = PTR_ERR(ctx->reset_gpio);
- + dev_err(dev, "cannot get reset GPIO: %d\n", ret);
- + return ret;
- + }
- +
- + ctx->supply = devm_regulator_get(dev, "display-vcc");
- + if (IS_ERR(ctx->supply)) {
- + ret = PTR_ERR(ctx->supply);
- + dev_err(dev, "cannot get regulator: %d\n", ret);
- + return ret;
- + }
- +
- + ctx->backlight = devm_of_find_backlight(dev);
- + if (IS_ERR(ctx->backlight))
- + return PTR_ERR(ctx->backlight);
- +
- + mipi_dsi_set_drvdata(dsi, ctx);
- +
- + ctx->dev = dev;
- +
- + dsi->lanes = 4;
- + dsi->format = MIPI_DSI_FMT_RGB888;
- + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_LPM;
- +
- + drm_panel_init(&ctx->panel);
- + ctx->panel.dev = dev;
- + ctx->panel.funcs = &cwd686_drm_funcs;
- +
- + drm_panel_add(&ctx->panel);
- +
- + ret = mipi_dsi_attach(dsi);
- + if (ret < 0) {
- + dev_err(dev, "mipi_dsi_attach() failed: %d\n", ret);
- + drm_panel_remove(&ctx->panel);
- + return ret;
- + }
- +
- + return 0;
- +}
- +
- +static int cwd686_remove(struct mipi_dsi_device *dsi)
- +{
- + struct cwd686 *ctx = mipi_dsi_get_drvdata(dsi);
- +
- + mipi_dsi_detach(dsi);
- + drm_panel_remove(&ctx->panel);
- +
- + return 0;
- +}
- +
- +static const struct of_device_id cwd686_of_match[] = {
- + { .compatible = "cw,cwd686" },
- + { }
- +};
- +MODULE_DEVICE_TABLE(of, cwd686_of_match);
- +
- +static struct mipi_dsi_driver cwd686_driver = {
- + .probe = cwd686_probe,
- + .remove = cwd686_remove,
- + .driver = {
- + .name = "panel-cwd686",
- + .of_match_table = cwd686_of_match,
- + },
- +};
- +module_mipi_dsi_driver(cwd686_driver);
- +
- +MODULE_DESCRIPTION("DRM Driver for cwd686 MIPI DSI panel");
- +MODULE_LICENSE("GPL v2");
- diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
- index aa65931142ba..405358cf24c8 100644
- --- a/drivers/mfd/axp20x.c
- +++ b/drivers/mfd/axp20x.c
- @@ -962,6 +962,7 @@ int axp20x_device_probe(struct axp20x_dev *axp20x)
- return ret;
- }
-
- + pm_power_off = 0;
- if (!pm_power_off) {
- axp20x_pm_power_off = axp20x;
- pm_power_off = axp20x_power_off;
- diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
- index 0eaacdbc612f..32c59228b1a6 100644
- --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
- +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
- @@ -622,6 +622,7 @@ BRCMF_FW_DEF(43430A0, "brcmfmac43430a0-sdio");
- /* Note the names are not postfixed with a1 for backward compatibility */
- BRCMF_FW_DEF(43430A1, "brcmfmac43430-sdio");
- BRCMF_FW_DEF(43455, "brcmfmac43455-sdio");
- +BRCMF_FW_DEF(43456, "brcmfmac43456-sdio");
- BRCMF_FW_DEF(4354, "brcmfmac4354-sdio");
- BRCMF_FW_DEF(4356, "brcmfmac4356-sdio");
- BRCMF_FW_DEF(4373, "brcmfmac4373-sdio");
- @@ -641,6 +642,7 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
- BRCMF_FW_ENTRY(BRCM_CC_4339_CHIP_ID, 0xFFFFFFFF, 4339),
- BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0x00000001, 43430A0),
- BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0xFFFFFFFE, 43430A1),
- + BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0x00000200, 43456),
- BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, 43455),
- BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
- BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356),
- diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c
- index e84b6e4da14a..b62c361e2589 100644
- --- a/drivers/power/supply/axp20x_battery.c
- +++ b/drivers/power/supply/axp20x_battery.c
- @@ -326,6 +326,42 @@ static int axp20x_battery_get_prop(struct power_supply *psy,
- val->intval *= 1000;
- break;
-
- + case POWER_SUPPLY_PROP_ENERGY_FULL:
- + case POWER_SUPPLY_PROP_ENERGY_NOW:
- + /* When no battery is present, return 0 */
- + ret = regmap_read(axp20x_batt->regmap, AXP20X_PWR_OP_MODE,
- + ®);
- + if (ret)
- + return ret;
- +
- + if (!(reg & AXP20X_PWR_OP_BATT_PRESENT)) {
- + val->intval = 0;
- + return 0;
- + }
- +
- + if(psp == POWER_SUPPLY_PROP_ENERGY_FULL) {
- + val->intval = 8000000;
- + return 0;
- + }
- +
- + ret = regmap_read(axp20x_batt->regmap, AXP20X_FG_RES, ®);
- + if (ret)
- + return ret;
- +
- + if (axp20x_batt->data->has_fg_valid && !(reg & AXP22X_FG_VALID))
- + return -EINVAL;
- +
- + val1 = reg & AXP209_FG_PERCENT;
- + if (val1 > 90)
- + val1= 80;
- + else if (val1 < 10)
- + val1 = 0;
- + else
- + val1 -= 10;
- +
- + val->intval = val1 * 100000;
- + break;
- +
- default:
- return -EINVAL;
- }
- @@ -486,6 +522,8 @@ static enum power_supply_property axp20x_battery_props[] = {
- POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
- POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
- POWER_SUPPLY_PROP_CAPACITY,
- + POWER_SUPPLY_PROP_ENERGY_FULL,
- + POWER_SUPPLY_PROP_ENERGY_NOW,
- };
-
- static int axp20x_battery_prop_writeable(struct power_supply *psy,
- @@ -630,6 +668,12 @@ static int axp20x_power_probe(struct platform_device *pdev)
- axp20x_get_constant_charge_current(axp20x_batt,
- &axp20x_batt->max_ccc);
-
- + regmap_update_bits(axp20x_batt->regmap, AXP20X_VBUS_IPSOUT_MGMT, 0x03, 0x03);
- + regmap_update_bits(axp20x_batt->regmap, AXP20X_OFF_CTRL, 0x08, 0x08);
- + regmap_update_bits(axp20x_batt->regmap, AXP20X_CHRG_CTRL2, 0x30, 0x20);
- + regmap_update_bits(axp20x_batt->regmap, AXP20X_PEK_KEY, 0x0f, 0x0b);
- + regmap_update_bits(axp20x_batt->regmap, AXP20X_GPIO0_CTRL, 0x07, 0x00);
- +
- return 0;
- }
-
- diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c
- index 42001df4bd13..791ec9f466cb 100644
- --- a/drivers/power/supply/axp20x_usb_power.c
- +++ b/drivers/power/supply/axp20x_usb_power.c
- @@ -58,6 +58,9 @@ static irqreturn_t axp20x_usb_power_irq(int irq, void *devid)
- {
- struct axp20x_usb_power *power = devid;
-
- + regmap_update_bits(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, 0x03, 0x00);
- + regmap_update_bits(power->regmap, AXP20X_VBUS_IPSOUT_MGMT, 0x03, 0x03);
- +
- power_supply_changed(power->supply);
-
- return IRQ_HANDLED;
- diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
- index 2f465dba54bf..b12eb465b44c 100644
- --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
- +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
- @@ -11,9 +11,9 @@
- #include "bcm2835.h"
- #include <soc/bcm2835/raspberrypi-firmware.h>
-
- -static bool enable_hdmi, enable_hdmi0, enable_hdmi1;
- -static bool enable_headphones;
- -static bool enable_compat_alsa = true;
- +static bool enable_hdmi = true, enable_hdmi0, enable_hdmi1;
- +static bool enable_headphones = true;
- +static bool enable_compat_alsa;
-
- module_param(enable_hdmi, bool, 0444);
- MODULE_PARM_DESC(enable_hdmi, "Enables HDMI virtual audio device");
- diff --git a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
- index 9478f9fd96e2..621a4b3e0860 100644
- --- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
- +++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
- @@ -2559,7 +2559,7 @@ static const struct v4l2_m2m_ops m2m_ops = {
- * The ISP component currently advertises 33 input formats, so add a small
- * overhead on that.
- */
- -#define MAX_SUPPORTED_ENCODINGS 40
- +#define MAX_SUPPORTED_ENCODINGS 70
-
- /* Populate dev->supported_fmts with the formats supported by those ports. */
- static int bcm2835_codec_get_supported_fmts(struct bcm2835_codec_dev *dev)
- diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
- index 5268ed6d12c0..0da804257739 100644
- --- a/drivers/video/backlight/Kconfig
- +++ b/drivers/video/backlight/Kconfig
- @@ -487,6 +487,12 @@ config BACKLIGHT_RAVE_SP
- help
- Support for backlight control on RAVE SP device.
-
- +config BACKLIGHT_OCP8178
- + tristate "OCP8178 Backlight Driver"
- + depends on GPIOLIB
- + help
- + If you have an OCP8178, say Y to enable the backlight driver.
- +
- endif # BACKLIGHT_CLASS_DEVICE
-
- endif # BACKLIGHT_LCD_SUPPORT
- diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
- index 476f855a093f..56d7c9909cc4 100644
- --- a/drivers/video/backlight/Makefile
- +++ b/drivers/video/backlight/Makefile
- @@ -60,3 +60,4 @@ obj-$(CONFIG_BACKLIGHT_TPS65217) += tps65217_bl.o
- obj-$(CONFIG_BACKLIGHT_WM831X) += wm831x_bl.o
- obj-$(CONFIG_BACKLIGHT_ARCXCNN) += arcxcnn_bl.o
- obj-$(CONFIG_BACKLIGHT_RAVE_SP) += rave-sp-backlight.o
- +obj-$(CONFIG_BACKLIGHT_OCP8178) += ocp8178_bl.o
- diff --git a/drivers/video/backlight/ocp8178_bl.c b/drivers/video/backlight/ocp8178_bl.c
- new file mode 100644
- index 000000000000..db8db1771644
- --- /dev/null
- +++ b/drivers/video/backlight/ocp8178_bl.c
- @@ -0,0 +1,277 @@
- +/*
- + * ocp8178_bl.c - ocp8178 backlight driver
- + *
- + * 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/backlight.h>
- +#include <linux/err.h>
- +#include <linux/fb.h>
- +#include <linux/gpio.h> /* Only for legacy support */
- +#include <linux/gpio/consumer.h>
- +#include <linux/init.h>
- +#include <linux/kernel.h>
- +#include <linux/module.h>
- +#include <linux/of.h>
- +#include <linux/of_gpio.h>
- +#include <linux/platform_data/gpio_backlight.h>
- +#include <linux/platform_device.h>
- +#include <linux/slab.h>
- +#include <linux/delay.h>
- +#include <linux/timer.h>
- +#include <linux/poll.h>
- +#include <linux/proc_fs.h>
- +#include <linux/seq_file.h>
- +#include <linux/sched.h>
- +#include <linux/interrupt.h>
- +#include <linux/irq.h>
- +#include <linux/io.h>
- +#include <linux/clk.h>
- +
- +struct ocp8178_backlight {
- + struct device *dev;
- + struct device *fbdev;
- +
- + struct gpio_desc *gpiod;
- + int def_value;
- + int current_value;
- +};
- +
- +#define DETECT_DELAY 200
- +#define DETECT_TIME 500
- +#define DETECT_WINDOW_TIME 1000
- +#define START_TIME 10
- +#define END_TIME 10
- +#define SHUTDOWN_TIME 3000
- +#define LOW_BIT_HIGH_TIME 10
- +#define LOW_BIT_LOW_TIME 50
- +#define HIGH_BIT_HIGH_TIME 50
- +#define HIGH_BIT_LOW_TIME 10
- +#define MAX_BRIGHTNESS_VALUE 9
- +
- +static void entry_1wire_mode(struct ocp8178_backlight *gbl)
- +{
- + unsigned long flags = 0;
- + local_irq_save(flags);
- + gpiod_set_value(gbl->gpiod, 0);
- + mdelay(SHUTDOWN_TIME/1000);
- + gpiod_set_value(gbl->gpiod, 1);
- + udelay(DETECT_DELAY);
- + gpiod_set_value(gbl->gpiod, 0);
- + udelay(DETECT_TIME);
- + gpiod_set_value(gbl->gpiod, 1);
- + udelay(DETECT_WINDOW_TIME);
- + local_irq_restore(flags);
- +}
- +
- +static inline void write_bit(struct ocp8178_backlight *gbl, int bit)
- +{
- + if (bit) {
- + gpiod_set_value(gbl->gpiod, 0);
- + udelay(HIGH_BIT_LOW_TIME);
- + gpiod_set_value(gbl->gpiod, 1);
- + udelay(HIGH_BIT_HIGH_TIME);
- + } else {
- + gpiod_set_value(gbl->gpiod, 0);
- + udelay(LOW_BIT_LOW_TIME);
- + gpiod_set_value(gbl->gpiod, 1);
- + udelay(LOW_BIT_HIGH_TIME);
- + }
- +}
- +
- +static void write_byte(struct ocp8178_backlight *gbl, int byte)
- +{
- + unsigned long flags = 0;
- + unsigned char data = 0x72;
- + int i;
- +
- + local_irq_save(flags);
- +
- + gpiod_set_value(gbl->gpiod, 1);
- + udelay(START_TIME);
- + for(i = 0; i < 8; i++) {
- + if(data & 0x80) {
- + write_bit(gbl, 1);
- + } else {
- + write_bit(gbl, 0);
- + }
- + data <<= 1;
- + }
- + gpiod_set_value(gbl->gpiod, 0);
- + udelay(END_TIME);
- +
- + data = byte & 0x1f;
- +
- + gpiod_set_value(gbl->gpiod, 1);
- + udelay(START_TIME);
- + for(i = 0; i < 8; i++) {
- + if(data & 0x80) {
- + write_bit(gbl, 1);
- + } else {
- + write_bit(gbl, 0);
- + }
- + data <<= 1;
- + }
- + gpiod_set_value(gbl->gpiod, 0);
- + udelay(END_TIME);
- + gpiod_set_value(gbl->gpiod, 1);
- +
- + local_irq_restore(flags);
- +}
- +
- +unsigned char ocp8178_bl_table[MAX_BRIGHTNESS_VALUE+1] = {0, 1, 4, 8, 12, 16, 20, 24, 28, 31};
- +
- +static int ocp8178_update_status(struct backlight_device *bl)
- +{
- + struct ocp8178_backlight *gbl = bl_get_data(bl);
- + int brightness = bl->props.brightness, i;
- +
- + if (bl->props.power != FB_BLANK_UNBLANK ||
- + bl->props.fb_blank != FB_BLANK_UNBLANK ||
- + bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
- + brightness = 0;
- +
- + if(brightness > MAX_BRIGHTNESS_VALUE)
- + brightness = MAX_BRIGHTNESS_VALUE;
- +
- + for(i = 0; i < 2; i++) {
- + entry_1wire_mode(gbl);
- + write_byte(gbl, ocp8178_bl_table[brightness]);
- + }
- + gbl->current_value = brightness;
- +
- + return 0;
- +}
- +
- +static int ocp8178_get_brightness(struct backlight_device *bl)
- +{
- + struct ocp8178_backlight *gbl = bl_get_data(bl);
- + return gbl->current_value;
- +}
- +
- +static int ocp8178_check_fb(struct backlight_device *bl,
- + struct fb_info *info)
- +{
- + struct ocp8178_backlight *gbl = bl_get_data(bl);
- + return gbl->fbdev == NULL || gbl->fbdev == info->dev;
- +}
- +
- +static const struct backlight_ops ocp8178_backlight_ops = {
- + .options = BL_CORE_SUSPENDRESUME,
- + .update_status = ocp8178_update_status,
- + .get_brightness = ocp8178_get_brightness,
- + .check_fb = ocp8178_check_fb,
- +};
- +
- +static int ocp8178_probe_dt(struct platform_device *pdev,
- + struct ocp8178_backlight *gbl)
- +{
- + struct device *dev = &pdev->dev;
- + struct device_node *np = dev->of_node;
- + enum gpiod_flags flags;
- + int ret = 0;
- + u32 value32;
- +
- + of_property_read_u32(np, "default-brightness", &value32);
- + if(value32 > MAX_BRIGHTNESS_VALUE)
- + gbl->def_value = MAX_BRIGHTNESS_VALUE;
- + else
- + gbl->def_value = value32;
- + flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
- +
- + gbl->gpiod = devm_gpiod_get(dev, "backlight-control", flags);
- + if (IS_ERR(gbl->gpiod)) {
- + ret = PTR_ERR(gbl->gpiod);
- +
- + if (ret != -EPROBE_DEFER) {
- + dev_err(dev,
- + "Error: The gpios parameter is missing or invalid.\n");
- + }
- + }
- +
- + return ret;
- +}
- +
- +static struct backlight_device *backlight;
- +
- +static int ocp8178_probe(struct platform_device *pdev)
- +{
- + struct backlight_properties props;
- + struct backlight_device *bl;
- + struct ocp8178_backlight *gbl;
- + struct device_node *np = pdev->dev.of_node;
- + int ret;
- +
- + if ( !np) {
- + dev_err(&pdev->dev,
- + "failed to find platform data or device tree node.\n");
- + return -ENODEV;
- + }
- +
- + gbl = devm_kzalloc(&pdev->dev, sizeof(*gbl), GFP_KERNEL);
- + if (gbl == NULL)
- + return -ENOMEM;
- +
- + gbl->dev = &pdev->dev;
- +
- + ret = ocp8178_probe_dt(pdev, gbl);
- + if (ret)
- + return ret;
- +
- + gbl->current_value = gbl->def_value;
- +
- + memset(&props, 0, sizeof(props));
- + props.type = BACKLIGHT_RAW;
- + props.max_brightness = MAX_BRIGHTNESS_VALUE;
- + bl = devm_backlight_device_register(&pdev->dev, dev_name(&pdev->dev),
- + &pdev->dev, gbl, &ocp8178_backlight_ops,
- + &props);
- + if (IS_ERR(bl)) {
- + dev_err(&pdev->dev, "failed to register backlight\n");
- + return PTR_ERR(bl);
- + }
- +
- +// entry_1wire_mode(gbl);
- +
- + bl->props.brightness = gbl->def_value;
- + backlight_update_status(bl);
- +
- + platform_set_drvdata(pdev, bl);
- +
- + backlight = bl;
- + return 0;
- +}
- +
- +static int ocp8178_suspend(struct platform_device *pdev, pm_message_t state)
- +{
- + return 0;
- +}
- +
- +static int ocp8178_resume(struct platform_device *pdev)
- +{
- + return 0;
- +}
- +
- +static struct of_device_id ocp8178_of_match[] = {
- + { .compatible = "ocp8178-backlight" },
- + { /* sentinel */ }
- +};
- +
- +MODULE_DEVICE_TABLE(of, ocp8178_of_match);
- +
- +static struct platform_driver ocp8178_driver = {
- + .driver = {
- + .name = "ocp8178-backlight",
- + .of_match_table = of_match_ptr(ocp8178_of_match),
- + },
- + .probe = ocp8178_probe,
- + .suspend = ocp8178_suspend,
- + .resume = ocp8178_resume,
- +};
- +
- +module_platform_driver(ocp8178_driver);
- +
- +MODULE_DESCRIPTION("OCP8178 Driver");
- +MODULE_LICENSE("GPL");
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