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Thu, 11 Feb 2021 08:48:04 +0000 (GMT) From: Marek Szyprowski To: u-boot@lists.denx.de, u-boot-amlogic@groups.io Cc: Marek Szyprowski , Neil Armstrong , Lukasz Majewski , Philippe Reynes , Simon Glass , Heinrich Schuchardt , Jaehoon Chung , Bartlomiej Zolnierkiewicz Subject: [PATCH v6 1/5] dt-bindings: input: adc-keys bindings documentation Date: Thu, 11 Feb 2021 09:47:53 +0100 Message-Id: <20210211084757.22759-2-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210211084757.22759-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuphleLIzCtJLcpLzFFi42LZduzneV3X9yoJBs+mq1hsnLGe1eLGrzZW i+fvLjNZrD1yl93iUF+0RcdhZYtvW7YxWkya8IvN4u3eTnaLw1M/MDpweby/0cruMbvhIovH vFknWDw+fIzzmN/5ncnj7J0djB59W1YxemxcdoA5gCOKyyYlNSezLLVI3y6BK6Nt63v2guti Fa8ezWVrYLwo1MXIySEhYCJx49pipi5GLg4hgRWMEhu/PGOFcL4wSky6ewQq85lRYu+5R8ww LVd6lrNBJJYzSmx6eJodrmXf+h9MIFVsAoYSXW+72EBsEQEjiUtNO1hAipgF7jBJdE1uYAFJ CAt4S/SfmsMOYrMIqEpcWHoOrIFXwFZi8+RpLBDr5CVWbzgAtppTwE5i3547YAdKCBzgkLh6 /gITRJGLxMfF/9khbGGJV8e3QNkyEqcn97BANDQzSjw8t5YdwulhlLjcNIMRospa4s65X0Cr OYDu05RYv0sfIuwosax9DzNIWEKAT+LGW0GQMDOQOWnbdKgwr0RHGzQk1SRmHV8Ht/bghUvQ 4PKQmLr5LlhcSGAio8Tcg9UTGOVnIexawMi4ilE8tbQ4Nz212DgvtVyvODG3uDQvXS85P3cT IzDBnP53/OsOxhWvPuodYmTiYDzEKMHBrCTCy9+qkiDEm5JYWZValB9fVJqTWnyIUZqDRUmc d9fWNfFCAumJJanZqakFqUUwWSYOTqkGppbviearuHbxuZ27L6fMe2KFjlTSi+4L4Y9fp607 VNLUkfaoir17Je9hif6Jf5ZZ1fq5yHuctjrx9OSNLW87fszOnHnF7/HsDWJb4hxPsxburL0c XKqUrGi7/tDMlfGf30z12f2xlnem6SflFPfw2CgmWcWea2F/o2LDax9MEOefeNV45Zn2Kml3 sc/LZ5hcenqNQWva6d4intNrN1YyFHV2rTM+FTTJR62Io0C/0quDLY9dXHriMfNsFfcXryW9 NmmdUnu8tv9l0BuhCr8328zzc00+PklrW7cjTzqx+5picuOc6NMvfVb93nLS0pvpb9nzEnsz pcqv+7JzmTq9PuVvi+2M2MR9ujqp5ViuEktxRqKhFnNRcSIAAqvMyJ8DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRmVeSWpSXmKPExsVy+t/xu7qu71USDHru8FpsnLGe1eLGrzZW i+fvLjNZrD1yl93iUF+0RcdhZYtvW7YxWkya8IvN4u3eTnaLw1M/MDpweby/0cruMbvhIovH vFknWDw+fIzzmN/5ncnj7J0djB59W1YxemxcdoA5gCNKz6Yov7QkVSEjv7jEVina0MJIz9DS Qs/IxFLP0Ng81srIVEnfziYlNSezLLVI3y5BL6Nt63v2gutiFa8ezWVrYLwo1MXIySEhYCJx pWc5WxcjF4eQwFJGiaNnp7JAJGQkTk5rYIWwhSX+XOuCKvrEKLHm/k2wBJuAoUTXW5AEJ4cI 0KSTXZdYQYqYBR4xSTztamYHSQgLeEv0n5oDZrMIqEpcWHoOrIFXwFZi8+RpUNvkJVZvOMAM YnMK2Ens23MHbIEQUM2ilidMExj5FjAyrGIUSS0tzk3PLTbSK07MLS7NS9dLzs/dxAgM923H fm7Zwbjy1Ue9Q4xMHIyHGCU4mJVEePlbVRKEeFMSK6tSi/Lji0pzUosPMZoC3TGRWUo0OR8Y cXkl8YZmBqaGJmaWBqaWZsZK4rwmR9bECwmkJ5akZqemFqQWwfQxcXBKNTAZt6z2sqw6bPX3 ksKGn++t/q3gqtH2/bIzy/ne1zMHpkq/t1JsivgQxTIrps/1ZVXesnjbnbyrX1y6Xvg/0aF/ ytPiXxrH0zT/9hRfKryhPW/C/kcJQuXCT5jq/GSinTZ26jOtWf9wLdvCZq6zV7q3p2V4KpzZ ebiq+uUvH4NwN/Z7Jt8ihM//XzD/oMuXGwdsW9qUhYWvruLbMvfbTOeFwXLXPGKUmz+H2ruf SQv+w6/aq77GNeNvzUFb38S0DKPknl/frjw1nGSkdi3OyEFfa9bUhNrEH/mfVism7fsW92qu xLxzmh2pld/cTd+XlnYwLtLKe8nXWPEq/X91830Tz3tKKTO3/pwjfMav95ESS3FGoqEWc1Fx IgCiwpcKAAMAAA== X-CMS-MailID: 20210211084805eucas1p2a9c601311c97458a3435e3fec49e331b X-Msg-Generator: CA X-RootMTR: 20210211084805eucas1p2a9c601311c97458a3435e3fec49e331b X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210211084805eucas1p2a9c601311c97458a3435e3fec49e331b References: <20210211084757.22759-1-m.szyprowski@samsung.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Dump adc-keys bindings documentation from Linux kernel source tree from commit 698dc0cf9447 ("dt-bindings: input: adc-keys: clarify description"). Signed-off-by: Marek Szyprowski Reviewed-by: Simon Glass --- doc/device-tree-bindings/input/adc-keys.txt | 67 +++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 doc/device-tree-bindings/input/adc-keys.txt diff --git a/doc/device-tree-bindings/input/adc-keys.txt b/doc/device-tree-bindings/input/adc-keys.txt new file mode 100644 index 0000000000..6c8be6a9ac --- /dev/null +++ b/doc/device-tree-bindings/input/adc-keys.txt @@ -0,0 +1,67 @@ +ADC attached resistor ladder buttons +------------------------------------ + +Required properties: + - compatible: "adc-keys" + - io-channels: Phandle to an ADC channel + - io-channel-names = "buttons"; + - keyup-threshold-microvolt: Voltage above or equal to which all the keys are + considered up. + +Optional properties: + - poll-interval: Poll interval time in milliseconds + - autorepeat: Boolean, Enable auto repeat feature of Linux input + subsystem. + +Each button (key) is represented as a sub-node of "adc-keys": + +Required subnode-properties: + - label: Descriptive name of the key. + - linux,code: Keycode to emit. + - press-threshold-microvolt: voltage above or equal to which this key is + considered pressed. + +No two values of press-threshold-microvolt may be the same. +All values of press-threshold-microvolt must be less than +keyup-threshold-microvolt. + +Example: + +#include + + adc-keys { + compatible = "adc-keys"; + io-channels = <&lradc 0>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <2000000>; + + button-up { + label = "Volume Up"; + linux,code = ; + press-threshold-microvolt = <1500000>; + }; + + button-down { + label = "Volume Down"; + linux,code = ; + press-threshold-microvolt = <1000000>; + }; + + button-enter { + label = "Enter"; + linux,code = ; + press-threshold-microvolt = <500000>; + }; + }; + ++--------------------------------+------------------------+ +| 2.000.000 <= value | no key pressed | ++--------------------------------+------------------------+ +| 1.500.000 <= value < 2.000.000 | KEY_VOLUMEUP pressed | ++--------------------------------+------------------------+ +| 1.000.000 <= value < 1.500.000 | KEY_VOLUMEDOWN pressed | ++--------------------------------+------------------------+ +| 500.000 <= value < 1.000.000 | KEY_ENTER pressed | ++--------------------------------+------------------------+ +| value < 500.000 | no key pressed | ++--------------------------------+------------------------+ From patchwork Thu Feb 11 08:47:54 2021 Content-Type: text/plain; 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Thu, 11 Feb 2021 08:48:05 +0000 (GMT) From: Marek Szyprowski To: u-boot@lists.denx.de, u-boot-amlogic@groups.io Cc: Marek Szyprowski , Neil Armstrong , Lukasz Majewski , Philippe Reynes , Simon Glass , Heinrich Schuchardt , Jaehoon Chung , Bartlomiej Zolnierkiewicz Subject: [PATCH v6 2/5] button: add a simple Analog to Digital Converter device based button driver Date: Thu, 11 Feb 2021 09:47:54 +0100 Message-Id: <20210211084757.22759-3-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210211084757.22759-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupmleLIzCtJLcpLzFFi42LZduznOV239yoJBtN3M1tsnLGe1eLGrzZW i+fvLjNZrD1yl93iUF+0RcdhZYtvW7YxWkya8IvN4u3eTnaLw1M/MDpweby/0cruMbvhIovH vFknWDw+fIzzmN/5ncnj7J0djB59W1YxemxcdoA5gCOKyyYlNSezLLVI3y6BK+PzbOGCrxoV D17eYWxg7FHsYuTgkBAwkbj5zb+LkYtDSGAFo8Tv/R/YIZwvjBLHFp5ihXA+M0p0rD/J2MXI Cdax6/cDNojEckaJ5W+OMyO0LNvNAlLFJmAo0fW2iw3EFhEwkrjUtIMFpIhZ4A6TRNfkBrAi YYFUiZlHe9lBbBYBVYk5M16CNfAK2Eoc+jGVHWKdvMTqDQeYQWxOATuJfXvugN0kIXCAQ2LL wmPMEEUuEm+uNbFA2MISr45vgWqWkfi/cz4TREMzo8TDc2vZIZweRonLTTOgPrKWuHPuFxso PJgFNCXW79KHCDtKbDx2jB0STHwSN94KgoSZgcxJ26YzQ4R5JTrahCCq1SRmHV8Ht/bghUtQ p3lInJ91HBpcExkl5l58zjSBUX4WwrIFjIyrGMVTS4tz01OLDfNSy/WKE3OLS/PS9ZLzczcx AtPL6X/HP+1gnPvqo94hRiYOxkOMEhzMSiK8/K0qCUK8KYmVValF+fFFpTmpxYcYpTlYlMR5 V81eEy8kkJ5YkpqdmlqQWgSTZeLglGpgsrmgmFAe6mwm8qJr0Ybjahd31a5sft8xL+XkZm/L Pxs0O+t74yXebr7v2JQVEvDP1Vv4M/dNjUcRZRY8ctJN6UXRK0VXdmVpfJhnGH3pauldpYDb vdemTOVcqXHfJdJj2h4Z+aCGrKoJnBmGqbf/vX4QE+zamBbFxJ4pW3ZKflLm+bT9SYFtId37 5MpLbHa3CGxpvumVz5Ak7FPxnonZ85ib22OLxd9SI84pXWSLiBN+t1RrRqhzunbAr18blOJ3 P68vcD7zYeFKtnUmSnvfTn3q18zoJJf3MVTfYRGT3Drn6sBZXZMtD88MmGLM+nrdo5bILW9/ 1f3YIer/uk7AKWFimpDZNv22v590fyixFGckGmoxFxUnAgCF+eApngMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrDLMWRmVeSWpSXmKPExsVy+t/xu7qu71USDKac0rTYOGM9q8WNX22s Fs/fXWayWHvkLrvFob5oi47DyhbftmxjtJg04Rebxdu9newWh6d+YHTg8nh/o5XdY3bDRRaP ebNOsHh8+BjnMb/zO5PH2Ts7GD36tqxi9Ni47ABzAEeUnk1RfmlJqkJGfnGJrVK0oYWRnqGl hZ6RiaWeobF5rJWRqZK+nU1Kak5mWWqRvl2CXsbn2cIFXzUqHry8w9jA2KPYxcjJISFgIrHr 9wO2LkYuDiGBpYwSB+5sYIZIyEicnNbACmELS/y51gVV9IlRYu7JZWwgCTYBQ4mut11gtgjQ pJNdl1hBipgFHjFJPO1qZgdJCAskSzxbsgWsiEVAVWLOjJdgNq+ArcShH1PZITbIS6zecABs M6eAncS+PXfANgsB1SxqecI0gZFvASPDKkaR1NLi3PTcYkO94sTc4tK8dL3k/NxNjMBg33bs 5+YdjPNefdQ7xMjEwXiIUYKDWUmEl79VJUGINyWxsiq1KD++qDQntfgQoynQHROZpUST84Hx llcSb2hmYGpoYmZpYGppZqwkzrt17pp4IYH0xJLU7NTUgtQimD4mDk6pBqblvFzaU6yaWLRM jU0YHik/j9TMP7mWY82baxn62b1X1wZOkWBbmnppit1/i2WGa9h7tdjCljck+2yc+HDN5slv PTdt9Xq2aXlRwVu/QJHLDipNckFKL27V8ZR8XP/v4yYvn+/1Znu/7hI6tfHN/lTPtA2/rhfN 2eh6KIdj/Zlj9u6m+/g6qtc8ktp+ZlP2PLE5N/9N+xgcGK2r4v6CU64rZUPRS9dZnKrea/Yv Pbb6B4PQPwOj7HPlzMGv9KJnBypW7mVhctKZvb7NwkRAfs7RprN7Gl/96lSpkXm+8MZy9TW3 2Vi8tVytpZc2VP0QvMzFzNK7OOnHMo3lNpFFLY/8uZuVuX6auh7LOsWwwkaJpTgj0VCLuag4 EQDJmclT/wIAAA== X-CMS-MailID: 20210211084805eucas1p19dd298b9466769d0ea8827b6d239d4d8 X-Msg-Generator: CA X-RootMTR: 20210211084805eucas1p19dd298b9466769d0ea8827b6d239d4d8 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210211084805eucas1p19dd298b9466769d0ea8827b6d239d4d8 References: <20210211084757.22759-1-m.szyprowski@samsung.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Add a simple Analog to Digital Converter device based button driver. This driver binds to the 'adc-keys' device tree node. Signed-off-by: Marek Szyprowski Reviewed-by: Simon Glass --- drivers/button/Kconfig | 8 ++ drivers/button/Makefile | 1 + drivers/button/button-adc.c | 146 ++++++++++++++++++++++++++++++++++++ 3 files changed, 155 insertions(+) create mode 100644 drivers/button/button-adc.c diff --git a/drivers/button/Kconfig b/drivers/button/Kconfig index 6b3ec7e55d..6db3c5e93a 100644 --- a/drivers/button/Kconfig +++ b/drivers/button/Kconfig @@ -9,6 +9,14 @@ config BUTTON can provide access to board-specific buttons. Use of the device tree for configuration is encouraged. +config BUTTON_ADC + bool "Button adc" + depends on BUTTON + help + Enable support for buttons which are connected to Analog to Digital + Converter device. The ADC driver must use driver model. Buttons are + configured using the device tree. + config BUTTON_GPIO bool "Button gpio" depends on BUTTON diff --git a/drivers/button/Makefile b/drivers/button/Makefile index fcc10ebe8d..bbd18af149 100644 --- a/drivers/button/Makefile +++ b/drivers/button/Makefile @@ -3,4 +3,5 @@ # Copyright (C) 2020 Philippe Reynes obj-$(CONFIG_BUTTON) += button-uclass.o +obj-$(CONFIG_BUTTON_ADC) += button-adc.o obj-$(CONFIG_BUTTON_GPIO) += button-gpio.o diff --git a/drivers/button/button-adc.c b/drivers/button/button-adc.c new file mode 100644 index 0000000000..eed86564fb --- /dev/null +++ b/drivers/button/button-adc.c @@ -0,0 +1,146 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Author: Marek Szyprowski + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/** + * struct button_adc_priv - private data for button-adc driver. + * + * @adc: Analog to Digital Converter device to which button is connected. + * @channel: channel of the ADC device to probe the button state. + * @min: minimal uV value to consider button as pressed. + * @max: maximal uV value to consider button as pressed. + */ +struct button_adc_priv { + struct udevice *adc; + int channel; + int min; + int max; +}; + +static enum button_state_t button_adc_get_state(struct udevice *dev) +{ + struct button_adc_priv *priv = dev_get_priv(dev); + unsigned int val; + int ret, uV; + + ret = adc_start_channel(priv->adc, priv->channel); + if (ret) + return ret; + + ret = adc_channel_data(priv->adc, priv->channel, &val); + if (ret) + return ret; + + ret = adc_raw_to_uV(priv->adc, val, &uV); + if (ret) + return ret; + + return (uV >= priv->min && uV < priv->max) ? BUTTON_ON : BUTTON_OFF; +} + +static int button_adc_of_to_plat(struct udevice *dev) +{ + struct button_uc_plat *uc_plat = dev_get_uclass_plat(dev); + struct button_adc_priv *priv = dev_get_priv(dev); + struct ofnode_phandle_args args; + u32 treshold, up_treshold, t; + ofnode node; + int ret; + + /* Ignore the top-level button node */ + if (!uc_plat->label) + return 0; + + ret = dev_read_phandle_with_args(dev->parent, "io-channels", + "#io-channel-cells", 0, 0, &args); + if (ret) + return ret; + + ret = uclass_get_device_by_ofnode(UCLASS_ADC, args.node, &priv->adc); + if (ret) + return ret; + + ret = ofnode_read_u32(dev_ofnode(dev->parent), + "keyup-threshold-microvolt", &up_treshold); + if (ret) + return ret; + + ret = ofnode_read_u32(dev_ofnode(dev), "press-threshold-microvolt", + &treshold); + if (ret) + return ret; + + dev_for_each_subnode(node, dev->parent) { + ret = ofnode_read_u32(node, "press-threshold-microvolt", &t); + if (ret) + return ret; + + if (t > treshold) + up_treshold = t; + } + + priv->channel = args.args[0]; + priv->min = treshold; + priv->max = up_treshold; + + return ret; +} + +static int button_adc_bind(struct udevice *parent) +{ + struct udevice *dev; + ofnode node; + int ret; + + dev_for_each_subnode(node, parent) { + struct button_uc_plat *uc_plat; + const char *label; + + label = ofnode_read_string(node, "label"); + if (!label) { + debug("%s: node %s has no label\n", __func__, + ofnode_get_name(node)); + return -EINVAL; + } + ret = device_bind_driver_to_node(parent, "button_adc", + ofnode_get_name(node), + node, &dev); + if (ret) + return ret; + uc_plat = dev_get_uclass_plat(dev); + uc_plat->label = label; + } + + return 0; +} + +static const struct button_ops button_adc_ops = { + .get_state = button_adc_get_state, +}; + +static const struct udevice_id button_adc_ids[] = { + { .compatible = "adc-keys" }, + { } +}; + +U_BOOT_DRIVER(button_adc) = { + .name = "button_adc", + .id = UCLASS_BUTTON, + .of_match = button_adc_ids, + .ops = &button_adc_ops, + .priv_auto = sizeof(struct button_adc_priv), + .bind = button_adc_bind, + .of_to_plat = button_adc_of_to_plat, +}; 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Thu, 11 Feb 2021 08:48:05 +0000 (GMT) From: Marek Szyprowski To: u-boot@lists.denx.de, u-boot-amlogic@groups.io Cc: Marek Szyprowski , Neil Armstrong , Lukasz Majewski , Philippe Reynes , Simon Glass , Heinrich Schuchardt , Jaehoon Chung , Bartlomiej Zolnierkiewicz Subject: [PATCH v6 3/5] adc: meson-saradc: add support for getting reference voltage value Date: Thu, 11 Feb 2021 09:47:55 +0100 Message-Id: <20210211084757.22759-4-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210211084757.22759-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSe0hTURzu3Hu3XWebtxl4UDNYWmZor4G3l9iDuj2goCAty628ONPN3N16 +E/qUHTW0lRcK5Ya2rKHWkvMR8wpU1qZVuoqpSJCsqxJ2WiB5fX2+O/7ft/3+75zDgdHJQZe MJ6m1tIatSJDyhdizc4ffdFbv4TLV7z+FE42mRp4pNtXwCPHPj9DyFvdowLSYTxIFnYtIr/b mgF5ocTHJyc6igRkV4UHxAupL+58AXUpZwCjLOZejPJMHqauFHkR6vFIC6CMtnpANdXZ0T34 AeH6FDoj7QStWR4nFyqNnV+R407RqYL2T/wcYPI3AByHhAza7582ACEuIawAGqueowbgN0O+ AVhhPcIJXwF0tlkwVmAX6jpeCzjhGoBd014+R2Y2vD0uwLr4xEpomDDwWTyfWAWf5rVgrAkl RhBoKMuZjQokkmBN97lZE0ZEwHfTRQIWi4gN0O17Ari6hfBGo332TH5EHHzQPsJjgyBhx+HU g0mEu8QWOHae5vyBcLzHJuBwKHSVncU4vx7At323BBw5C+CzPNOfhnVwpM/HZ4NQYilsaF3O jTfCttwBPpcvhu6JeewYnYEXmitRbiyChQUSzr0Ymntu/6vt7H+KcpiCZSX1KPdApQD29/ei JWCh+X9ZFQD1IIjWMapUmlmtpk/GMAoVo1OnxhzNVN0BM9/FNd0z1QKs45MxDoDgwAEgjkrn iwLyw+USUYridDatyUzW6DJoxgFCcEwaJGq9dzNZQqQqtHQ6TR+nNX9VBPcLzkFEl+8dSnrf dlf5LTq310++7JduNKK7OE+1ZPBlsDOs1OKzzH2kfiycU5ycth65Eq/Rpock5NsZT+3a9KtZ +pCIga7E2NgzHtPgD5nVYh+ufBl/swbqpxZEZpqrEjxDD4ts6SD0jj7oREdA/dVk23kxkDpD d/hra5OUjDL3xU/ZGlmg0bvX0Tc8rhInvmqqs2rJd2/PiWFFq788K2UgOrg6oQaJ2NUeMLh9 W/b+fTFDb3KLN10cyrJFlq8xyRvdx9Spem/D2MFOsXnVZleT1hW1O5FOui7a2Vz7Siz7uQLn RcZG5VWHI2OlmqNzP34A+cPVw9vKddlhjRvK9R+kGKNUrIxCNYziN3ywyPudAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRmVeSWpSXmKPExsVy+t/xu7pu71USDNau5rTYOGM9q8WNX22s Fs/fXWayWHvkLrvFob5oi47DyhbftmxjtJg04Rebxdu9newWh6d+YHTg8nh/o5XdY3bDRRaP ebNOsHh8+BjnMb/zO5PH2Ts7GD36tqxi9Ni47ABzAEeUnk1RfmlJqkJGfnGJrVK0oYWRnqGl hZ6RiaWeobF5rJWRqZK+nU1Kak5mWWqRvl2CXkbfwc9MBcd4K9r2vGFrYJzB3cXIySEhYCKx bO999i5GLg4hgaWMEssn3GOHSMhInJzWwAphC0v8udbFBlH0iVHi8/KzTCAJNgFDia63IAlO DhGgSSe7LrGCFDELPGKSeNrVDDZJWCBKYsK5L2ANLAKqEo//dYLFeQVsJW78Os8IsUFeYvWG A8wgNqeAncS+PXfANgsB1SxqecI0gZFvASPDKkaR1NLi3PTcYiO94sTc4tK8dL3k/NxNjMBw 33bs55YdjCtffdQ7xMjEwXiIUYKDWUmEl79VJUGINyWxsiq1KD++qDQntfgQoynQHROZpUST 84ERl1cSb2hmYGpoYmZpYGppZqwkzmtyZE28kEB6YklqdmpqQWoRTB8TB6dUA5Nf/yp+Z886 ZTefjLzZ7J+rdphGbpKwFbkddSPj1anOOa4bhY5+83lTtfld1vXlkRseSlVV7Z89YetzPpkz AvVMnhPPvEnqNCkXMOi837zVbnLmkvCABrWl6RsM5ZlZOXf7G5Q9TJc4WL3mm7F0x5Gni/TN E+X/L924794aZ84rj71vzDbXLwwtMhcUza82Yj3M5ntu+3/Ws2ZbLrJ/vm+hb3+oib1p9au/ FYbGQuUnxT/UhWolXZnffYV1g/n3eREionYFUTydS5L6nTL8jpW9aRSv4mk/OWtXWLCf0LfI H/EH3zypK3yXzrfmbvzGZXHfDod80ddaOdv67ENTqa5fEckhEXpe0jvvX9Xap8RSnJFoqMVc VJwIADMHwCkAAwAA X-CMS-MailID: 20210211084806eucas1p1ddadaa9bf4eb0f0b4f0acd1dd06113d7 X-Msg-Generator: CA X-RootMTR: 20210211084806eucas1p1ddadaa9bf4eb0f0b4f0acd1dd06113d7 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210211084806eucas1p1ddadaa9bf4eb0f0b4f0acd1dd06113d7 References: <20210211084757.22759-1-m.szyprowski@samsung.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Add support for getting the 'vref-supply' regulator and register it as ADC's reference voltage regulator, so clients can translate sampled ADC values to the voltage. Signed-off-by: Marek Szyprowski Reviewed-by: Simon Glass --- drivers/adc/meson-saradc.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/adc/meson-saradc.c b/drivers/adc/meson-saradc.c index 21db55831d..1a45a3a265 100644 --- a/drivers/adc/meson-saradc.c +++ b/drivers/adc/meson-saradc.c @@ -18,6 +18,7 @@ #include #include #include +#include #define MESON_SAR_ADC_REG0 0x00 #define MESON_SAR_ADC_REG0_PANEL_DETECT BIT(31) @@ -656,7 +657,10 @@ static int meson_saradc_stop(struct udevice *dev) static int meson_saradc_probe(struct udevice *dev) { + struct adc_uclass_plat *uc_pdata = dev_get_uclass_plat(dev); struct meson_saradc_priv *priv = dev_get_priv(dev); + struct udevice *vref; + int vref_uv; int ret; ret = regmap_init_mem(dev_ofnode(dev), &priv->regmap); @@ -675,6 +679,23 @@ static int meson_saradc_probe(struct udevice *dev) priv->active_channel = -1; + ret = device_get_supply_regulator(dev, "vref-supply", &vref); + if (ret) { + printf("can't get vref-supply: %d\n", ret); + return ret; + } + + vref_uv = regulator_get_value(vref); + if (vref_uv < 0) { + printf("can't get vref-supply value: %d\n", vref_uv); + return vref_uv; + } + + /* VDD supplied by common vref pin */ + uc_pdata->vdd_supply = vref; + uc_pdata->vdd_microvolts = vref_uv; + uc_pdata->vss_microvolts = 0; + return 0; } From patchwork Thu Feb 11 08:47:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 1439346 X-Patchwork-Delegate: narmstrong@baylibre.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=samsung.com header.i=@samsung.com header.a=rsa-sha256 header.s=mail20170921 header.b=sqX/Pjmh; 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Thu, 11 Feb 2021 08:48:06 +0000 (GMT) From: Marek Szyprowski To: u-boot@lists.denx.de, u-boot-amlogic@groups.io Cc: Marek Szyprowski , Neil Armstrong , Lukasz Majewski , Philippe Reynes , Simon Glass , Heinrich Schuchardt , Jaehoon Chung , Bartlomiej Zolnierkiewicz Subject: [PATCH v6 4/5] configs: khadas-vim3(l): enable Function button support Date: Thu, 11 Feb 2021 09:47:56 +0100 Message-Id: <20210211084757.22759-5-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210211084757.22759-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuphleLIzCtJLcpLzFFi42LZduznOV339yoJBk2LGS02zljPanHjVxur xfN3l5ks1h65y25xqC/aouOwssW3LdsYLSZN+MVm8XZvJ7vF4akfGB24PN7faGX3mN1wkcVj 3qwTLB4fPsZ5zO/8zuRx9s4ORo++LasYPTYuO8AcwBHFZZOSmpNZllqkb5fAldGz+wJbwSOO ikk9a5kbGK+zdzFyckgImEjs7P3IDGILCaxglDh7vqyLkQvI/sIocW7xGRYI5zOjxI6vU9lg OmZd+MkIkVjOKHHnUhczXMvW+yfBqtgEDCW63naB2SICRhKXmnaAjWIWuMMk0TW5gQUkISwQ KLHo+31GEJtFQFViz/PdYHFeAVuJNyfmMEGsk5dYveEA2IGcAnYS+/bcYQUZJCFwhEPi/tSv jBBFLhJT586FahCWeHV8C9R3MhL/d85ngmhoZpR4eG4tO4TTwyhxuWkGVLe1xJ1zv4Bu5QC6 T1Ni/S59iLCjxOQd+5lBwhICfBI33gqChJmBzEnbpkOFeSU62oQgqtUkZh1fB7f24IVLzBC2 h8SluxPYISE0kVFiUv9OxgmM8rMQli1gZFzFKJ5aWpybnlpslJdarlecmFtcmpeul5yfu4kR mGBO/zv+ZQfj8lcf9Q4xMnEwHmKU4GBWEuHlb1VJEOJNSaysSi3Kjy8qzUktPsQozcGiJM6b tGVNvJBAemJJanZqakFqEUyWiYNTqoGpYAqP1s45P0MXqhaU9qw67PZqvtB+s322zXkn8hfN YrS+Potvwo/aE3tiJNpPvX/7pEq04bj+TE5RN7nStJ7OK1PmLvRaOUFhg73KrO6lCWeTZwmt dZDfefq3euKq7nUyosFHd82TfXwrV9yyqjMg4ZfNS/0bvSxl0RocJqvkp0t8ehvMuXP+nJwo 69+8q78wzg+NkOAPr/rTuPvr11091+d9UFB08P9pcj9u8+KV1ypPqsUkmXEbVtm2z7JPC/si o1T3dptfl8D0AxsVbvzckVC2y/gOx/n8LDYb/lNiZ1a+O7/b7t5LkesFZa9/fHrGLpbq/OXd TNd7bm35P1sOszXKsd2IjVz/fdFGyW3dSizFGYmGWsxFxYkAV2DIS58DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrLLMWRmVeSWpSXmKPExsVy+t/xu7pu71USDNZNV7fYOGM9q8WNX22s Fs/fXWayWHvkLrvFob5oi47DyhbftmxjtJg04Rebxdu9newWh6d+YHTg8nh/o5XdY3bDRRaP ebNOsHh8+BjnMb/zO5PH2Ts7GD36tqxi9Ni47ABzAEeUnk1RfmlJqkJGfnGJrVK0oYWRnqGl hZ6RiaWeobF5rJWRqZK+nU1Kak5mWWqRvl2CXkbP7gtsBY84Kib1rGVuYLzO3sXIySEhYCIx 68JPxi5GLg4hgaWMEnv7JkMlZCROTmtghbCFJf5c62KDKPrEKDHhz3awBJuAoUTXW5AEJ4cI 0KSTXZdYQYqYBR4xSTztagabJCzgL/HnZy8TiM0ioCqx5/luFhCbV8BW4s2JOUwQG+QlVm84 wAxicwrYSezbcwdsgRBQzaKWJ0wTGPkWMDKsYhRJLS3OTc8tNtQrTswtLs1L10vOz93ECAz3 bcd+bt7BOO/VR71DjEwcjIcYJTiYlUR4+VtVEoR4UxIrq1KL8uOLSnNSiw8xmgLdMZFZSjQ5 HxhxeSXxhmYGpoYmZpYGppZmxkrivFvnrokXEkhPLEnNTk0tSC2C6WPi4JRqYFI+H9J0pM63 6LviQZ9Jqy7FtevueNHuLPx99VpDxsq61XPXbi6xSLD8PHHLjJ15m2TfhrK8XhJqUPF54nK+ JTyt1VM0L+6wNFpyjTfZw+WTMquzgdwDpQ7zrmjBSRaZfEr8L3+lHj8QcfTtT9V1k06tXHDe 6X/E7+fFn4zi1/5zv2fAfdSkc/XtdO1JG8pORq23X/Hufc2RmtlLY8vOXS24prgyXnpDJP/d b095jLwmVzemn7p+7FS+exHrTe+3ufOO7FF7f2GfyrL/rbL7lJ+WsYUVyZ8U+323L/JMRLCD z48r5osueDy8fERwv0XAku8rtSK3OB0xyW1c+V5jOsshQZ/XAU8UY1/x/bg3W8BSiaU4I9FQ i7moOBEAXVoYSgADAAA= X-CMS-MailID: 20210211084806eucas1p12459ec4f4d9871e8abba678a8589165a X-Msg-Generator: CA X-RootMTR: 20210211084806eucas1p12459ec4f4d9871e8abba678a8589165a X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210211084806eucas1p12459ec4f4d9871e8abba678a8589165a References: <20210211084757.22759-1-m.szyprowski@samsung.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Add options required to check the 'Function' button state. Signed-off-by: Marek Szyprowski Reviewed-by: Simon Glass --- configs/khadas-vim3_defconfig | 2 ++ configs/khadas-vim3l_defconfig | 2 ++ 2 files changed, 4 insertions(+) diff --git a/configs/khadas-vim3_defconfig b/configs/khadas-vim3_defconfig index 5d16652fd6..bc17430569 100644 --- a/configs/khadas-vim3_defconfig +++ b/configs/khadas-vim3_defconfig @@ -31,6 +31,8 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_ADC=y CONFIG_SARADC_MESON=y +CONFIG_BUTTON=y +CONFIG_BUTTON_ADC=y CONFIG_DM_I2C=y CONFIG_SYS_I2C_MESON=y CONFIG_DM_MMC=y diff --git a/configs/khadas-vim3l_defconfig b/configs/khadas-vim3l_defconfig index 6b13ce045c..c1877922c7 100644 --- a/configs/khadas-vim3l_defconfig +++ b/configs/khadas-vim3l_defconfig @@ -31,6 +31,8 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y CONFIG_NET_RANDOM_ETHADDR=y CONFIG_ADC=y CONFIG_SARADC_MESON=y +CONFIG_BUTTON=y +CONFIG_BUTTON_ADC=y CONFIG_DM_I2C=y CONFIG_SYS_I2C_MESON=y CONFIG_DM_MMC=y From patchwork Thu Feb 11 08:47:57 2021 Content-Type: text/plain; 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Thu, 11 Feb 2021 08:48:06 +0000 (GMT) From: Marek Szyprowski To: u-boot@lists.denx.de, u-boot-amlogic@groups.io Cc: Marek Szyprowski , Neil Armstrong , Lukasz Majewski , Philippe Reynes , Simon Glass , Heinrich Schuchardt , Jaehoon Chung , Bartlomiej Zolnierkiewicz Subject: [PATCH v6 5/5] test: add a simple test for the adc-keys button driver Date: Thu, 11 Feb 2021 09:47:57 +0100 Message-Id: <20210211084757.22759-6-m.szyprowski@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210211084757.22759-1-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupmleLIzCtJLcpLzFFi42LZduznOV339yoJBreuG1psnLGe1eLGrzZW i+fvLjNZrD1yl93iUF+0RcdhZYtvW7YxWkya8IvN4u3eTnaLw1M/MDpweby/0cruMbvhIovH vFknWDw+fIzzmN/5ncnj7J0djB59W1YxemxcdoA5gCOKyyYlNSezLLVI3y6BK+NV41XWgi3K FZd/VDYwXpHtYuTkkBAwkXh67DdzFyMXh5DACkaJu8vXs0E4XxglXp/vYIRwPjNKdE9dyQLT 0v3lLitEYjmjxJSTs9nhWi6t2cMMUsUmYCjR9baLDcQWETCSuNS0gwWkiFngDpNE1+QGsFHC AgES7/4/YwSxWQRUJc6dPAwW5xWwlThz9DoTxDp5idUbDoAN5RSwk9i35w7YagmBAxwSC183 Qt3kIvH8xSV2CFtY4tXxLVC2jMTpyT0sEA3NjBIPz61lh3B6GCUuN81ghKiylrhz7hfQrRxA 92lKrN+lD2JKCDhKnPufD2HySdx4KwhSzAxkTto2nRkizCvR0SYEMUNNYtbxdXBbD164xAxh e0i82rIBGkATGSW+flvLOIFRfhbCrgWMjKsYxVNLi3PTU4uN81LL9YoTc4tL89L1kvNzNzEC 08vpf8e/7mBc8eqj3iFGJg7GQ4wSHMxKIrz8rSoJQrwpiZVVqUX58UWlOanFhxilOViUxHl3 bV0TLySQnliSmp2aWpBaBJNl4uCUamBafsF4++K35aUhUR8qrq53XRA47+uFj1eLdt01/8// 6HBqR8isyWcy7tobPwg/5TnrYevzOdwGQid+zhDIv/AnfVHu77dOv+5MMDTe0D9n1poVjxW3 JC8Unt8SZ//6kOmsCsuLt5OXd8aVuzTwivhNU/BL+zD1SOef87/7vD++nbtyv/Hrva++b1nq 7pKkV3zh3ouY/smzZwo2FT/ovtUyN+b80/pPW3L4ZzXNf+a+U5Vn3c2X96fPSynUNDqlt2jt rv1TG06neJhUHTf+rhKpzPvbzfnqzrqVLDJbgz8pGH9//fHBGqHMo9mxqXO+nA43DOAOMbIu M7o2b5FOYX309EciEZ+TlgXwfdv0XkORx1uJpTgj0VCLuag4EQB+iQ6pngMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrNLMWRmVeSWpSXmKPExsVy+t/xu7ru71USDP5uZbXYOGM9q8WNX22s Fs/fXWayWHvkLrvFob5oi47DyhbftmxjtJg04Rebxdu9newWh6d+YHTg8nh/o5XdY3bDRRaP ebNOsHh8+BjnMb/zO5PH2Ts7GD36tqxi9Ni47ABzAEeUnk1RfmlJqkJGfnGJrVK0oYWRnqGl hZ6RiaWeobF5rJWRqZK+nU1Kak5mWWqRvl2CXsarxqusBVuUKy7/qGxgvCLbxcjJISFgItH9 5S5rFyMXh5DAUkaJnruNrBAJGYmT0xqgbGGJP9e62EBsIYFPjBI3lomA2GwChhJdbyHiIkCD TnZdAhvELPCISeJpVzM7SEJYwE/i+Pk/LCA2i4CqxLmTh8FsXgFbiTNHrzNBLJCXWL3hADOI zSlgJ7Fvzx1WiGW2EotanjBNYORbwMiwilEktbQ4Nz232EivODG3uDQvXS85P3cTIzDUtx37 uWUH48pXH/UOMTJxMB5ilOBgVhLh5W9VSRDiTUmsrEotyo8vKs1JLT7EaAp0x0RmKdHkfGC0 5ZXEG5oZmBqamFkamFqaGSuJ85ocWRMvJJCeWJKanZpakFoE08fEwSnVwCStpm/5y0J5ytuN mx6u459X4XJNjat907UalnSDF51fVgot3R32ynPrllVpc7bcm3bY56i83P++WzuDc0+cc4lJ MrJkKrku4XV2ddqkVKkTFbM/JM1mfVhhVlXi1DTjws2UQ/uvtK4PUFbJWRW1Iuamw62cteU3 101/lMhw8lFhc4V4So1SUmHjgZVPrHoWlXG9fXw1kdfyyoudTxanaU/9tlzir+LnU96GMhKc XUc0hG29erq+xSRtnVK8wU34gFrbKTtn8Xd6BzjdlbwVZ8ZtX9jms4rp0NUXDBOqvksuPLXc 7jmLnPZZt+5+9gLfaccadNpeXax0ZJjEyLtI8fKP67K7ZhfOePbJlXX7j1QlluKMREMt5qLi RAB3+5ax/gIAAA== X-CMS-MailID: 20210211084807eucas1p2e9e5d1fe99d98130649d97ebcd82d854 X-Msg-Generator: CA X-RootMTR: 20210211084807eucas1p2e9e5d1fe99d98130649d97ebcd82d854 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210211084807eucas1p2e9e5d1fe99d98130649d97ebcd82d854 References: <20210211084757.22759-1-m.szyprowski@samsung.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Add adc-keys device to the sandbox/test.dts and connect it to the channel #3 of the sandbox_adc driver. The default values sampled by sandbox_adc driver determines that button3 and button4 are released and button5 is pressed. Signed-off-by: Marek Szyprowski Reviewed-by: Simon Glass --- arch/sandbox/dts/test.dts | 24 ++++++++++++++++++- configs/sandbox_defconfig | 1 + test/dm/button.c | 50 +++++++++++++++++++++++++++++++++++++-- 3 files changed, 72 insertions(+), 3 deletions(-) diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index e95f4631bf..a32b019ae7 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -69,6 +69,27 @@ }; }; + buttons2 { + compatible = "adc-keys"; + io-channels = <&adc 3>; + keyup-threshold-microvolt = <3000000>; + + button-up { + label = "button3"; + press-threshold-microvolt = <1500000>; + }; + + button-down { + label = "button4"; + press-threshold-microvolt = <1000000>; + }; + + button-enter { + label = "button5"; + press-threshold-microvolt = <500000>; + }; + }; + cros_ec: cros-ec { reg = <0 0>; compatible = "google,cros-ec-sandbox"; @@ -587,8 +608,9 @@ i2c-eeprom = <&bootcount_i2c>; }; - adc@0 { + adc: adc@0 { compatible = "sandbox,adc"; + #io-channel-cells = <1>; vdd-supply = <&buck2>; vss-microvolts = <0>; }; diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index 0c7674efc9..3731bf05ff 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -122,6 +122,7 @@ CONFIG_DM_BOOTCOUNT=y CONFIG_DM_BOOTCOUNT_RTC=y CONFIG_DM_BOOTCOUNT_I2C_EEPROM=y CONFIG_BUTTON=y +CONFIG_BUTTON_ADC=y CONFIG_BUTTON_GPIO=y CONFIG_CLK=y CONFIG_CLK_COMPOSITE_CCF=y diff --git a/test/dm/button.c b/test/dm/button.c index ecaa47cf5f..f8a7fab61d 100644 --- a/test/dm/button.c +++ b/test/dm/button.c @@ -7,7 +7,10 @@ #include #include +#include #include +#include +#include #include #include #include @@ -17,11 +20,20 @@ static int dm_test_button_base(struct unit_test_state *uts) { struct udevice *dev; - /* Get the top-level device */ + /* Get the top-level gpio buttons device */ ut_assertok(uclass_get_device(UCLASS_BUTTON, 0, &dev)); + /* Get the 2 gpio buttons */ ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &dev)); ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &dev)); - ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 3, &dev)); + + /* Get the top-level adc buttons device */ + ut_assertok(uclass_get_device(UCLASS_BUTTON, 3, &dev)); + /* Get the 3 adc buttons */ + ut_assertok(uclass_get_device(UCLASS_BUTTON, 4, &dev)); + ut_assertok(uclass_get_device(UCLASS_BUTTON, 5, &dev)); + ut_assertok(uclass_get_device(UCLASS_BUTTON, 6, &dev)); + + ut_asserteq(-ENODEV, uclass_get_device(UCLASS_BUTTON, 7, &dev)); return 0; } @@ -72,3 +84,37 @@ static int dm_test_button_label(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_button_label, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test adc-keys driver */ +static int dm_test_button_keys_adc(struct unit_test_state *uts) +{ + struct udevice *supply; + struct udevice *dev; + int uV; + + ut_assertok(uclass_get_device_by_name(UCLASS_ADC, "adc@0", &dev)); + + ut_assertok(regulator_get_by_devname(SANDBOX_BUCK2_DEVNAME, &supply)); + ut_assertok(regulator_set_value(supply, SANDBOX_BUCK2_SET_UV)); + ut_asserteq(SANDBOX_BUCK2_SET_UV, regulator_get_value(supply)); + /* Update ADC plat and get new Vdd value */ + ut_assertok(adc_vdd_value(dev, &uV)); + ut_asserteq(SANDBOX_BUCK2_SET_UV, uV); + + /* + * sandbox-adc returns constant value on channel 3, is used by adc-keys: + * SANDBOX_ADC_CHANNEL3_DATA * SANDBOX_BUCK2_SET_UV / SANDBOX_ADC_DATA_MASK = + * 0x3000 * 3300000 / 0xffff = 618759uV + * This means that button3 and button4 are released and button5 + * is pressed. + */ + ut_assertok(button_get_by_label("button3", &dev)); + ut_asserteq(BUTTON_OFF, button_get_state(dev)); + ut_assertok(button_get_by_label("button4", &dev)); + ut_asserteq(BUTTON_OFF, button_get_state(dev)); + ut_assertok(button_get_by_label("button5", &dev)); + ut_asserteq(BUTTON_ON, button_get_state(dev)); + + return 0; +} +DM_TEST(dm_test_button_keys_adc, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);