- Enable USB Host for Odroid-C2 board
- Add Open-Drain/Open-Source emulation in GPIO uclass -----BEGIN PGP SIGNATURE----- iQIyBAABCgAdFiEEPVPGJshWBf4d9CyLd9zb2sjISdEFAl65b6wACgkQd9zb2sjI SdFUiw/3ZDN1HuH7yHgosL4NvfT7o1QojrV9N2+9I0LHej77JUJZgo0o4b3Igkly H6RU9niSqfIItjZWd438IJ0srgeSgP33uEJJNaCJaOFIGEdLIBchJ5Q0ExOKMtX+ wJVT8U9xHE4TkOHPq88K8OebPHhEjfPLNMkR6TjMmNpCEmdTEQlywmcYILRPemKE 3WHKzYjW31Chx0fJZJ5EmoHfaL8ckU8Jfv/48mraF+lztdfY4vIiHAn62VoyboBW ePXTeh+DjvCZDBrxFjiDXtdhJPV8dHFNQrlOmB2zLC2D6JrbsHnV8zOIPdTsQOf5 zr132ZTJpEPZSdfWn84EeZfxyEPc/rMkB9JzJ6D8OV/X+tqu6xq6NEU0QdYEaKM/ o6QdAMYb6JkwyJ1UaN6fDVYpspcwO79Eeuhh4lhBq1BMJGIaiN6odFo4XL+zKTWz p8fH1ZgAGomHb17MzLp/WC0iWxwlYjzwfYkXjsPHL4CJID2XaZSgCVbYhEynTATZ +BZvrddsEh98BejlAESx7tqmBVwsn0y1xmVhXcn82JPkmfPJ+l+R1pFhkhNwyKFv rM1g26BBM2viHCHs+Hn3oh3IVbISM+VGk3M+kDgJB4ThD2g1ak1fyD/gU4RvR3CU 2mQXURuq/6NuMYjz3j8m7GGBAc5FH8p/4l9VvtcKa5HHhstQMA== =l5bh -----END PGP SIGNATURE----- Merge tag 'u-boot-amlogic-20200511' of https://gitlab.denx.de/u-boot/custodians/u-boot-amlogic - Enable USB Host for Odroid-C2 board - Add Open-Drain/Open-Source emulation in GPIO uclass
This commit is contained in:
Tom Rini
commit
1e6d9f515d
5 changed files with 122 additions and 1 deletions
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@ -5,3 +5,11 @@
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*/
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#include "meson-gx-u-boot.dtsi"
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&usb0 {
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status = "disabled";
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};
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&usb1 {
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hnp-srp-disable;
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};
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@ -104,7 +104,9 @@
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<&gpio_c 2 GPIO_OUT>,
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<&gpio_c 3 (GPIO_IN|GPIO_PULL_UP)>,
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<&gpio_c 4 (GPIO_IN|GPIO_PULL_DOWN)>,
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<&gpio_c 5 GPIO_IN>;
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<&gpio_c 5 GPIO_IN>,
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<&gpio_c 6 (GPIO_ACTIVE_LOW|GPIO_OUT|GPIO_OPEN_DRAIN)>,
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<&gpio_c 7 (GPIO_ACTIVE_LOW|GPIO_OUT|GPIO_OPEN_SOURCE)>;
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int-value = <1234>;
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uint-value = <(-1234)>;
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int64-value = /bits/ 64 <0x1111222233334444>;
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@ -19,6 +19,7 @@ CONFIG_CMD_GPIO=y
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CONFIG_CMD_I2C=y
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# CONFIG_CMD_LOADS is not set
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CONFIG_CMD_MMC=y
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CONFIG_CMD_USB=y
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# CONFIG_CMD_SETEXPR is not set
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CONFIG_CMD_REGULATOR=y
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CONFIG_OF_CONTROL=y
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@ -32,14 +33,20 @@ CONFIG_MMC_MESON_GX=y
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CONFIG_PHY_REALTEK=y
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CONFIG_DM_ETH=y
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CONFIG_ETH_DESIGNWARE=y
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CONFIG_PHY=y
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CONFIG_MESON_GXBB_USB_PHY=y
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CONFIG_PINCTRL=y
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CONFIG_PINCTRL_MESON_GXBB=y
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CONFIG_DM_REGULATOR=y
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CONFIG_DM_REGULATOR_FIXED=y
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CONFIG_DM_REGULATOR_GPIO=y
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CONFIG_DM_RESET=y
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CONFIG_DEBUG_UART_MESON=y
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CONFIG_DEBUG_UART_ANNOUNCE=y
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CONFIG_DEBUG_UART_SKIP_INIT=y
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CONFIG_MESON_SERIAL=y
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CONFIG_USB=y
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CONFIG_DM_USB=y
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CONFIG_USB_DWC2=y
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CONFIG_OF_LIBFDT_OVERLAY=y
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CONFIG_SMBIOS_MANUFACTURER="Hardkernel Co., Ltd."
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@ -526,6 +526,21 @@ int dm_gpio_set_value(const struct gpio_desc *desc, int value)
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if (desc->flags & GPIOD_ACTIVE_LOW)
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value = !value;
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/*
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* Emulate open drain by not actively driving the line high or
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* Emulate open source by not actively driving the line low
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*/
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if ((desc->flags & GPIOD_OPEN_DRAIN && value) ||
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(desc->flags & GPIOD_OPEN_SOURCE && !value))
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return gpio_get_ops(desc->dev)->direction_input(desc->dev,
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desc->offset);
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else if (desc->flags & GPIOD_OPEN_DRAIN ||
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desc->flags & GPIOD_OPEN_SOURCE)
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return gpio_get_ops(desc->dev)->direction_output(desc->dev,
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desc->offset,
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value);
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gpio_get_ops(desc->dev)->set_value(desc->dev, desc->offset, value);
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return 0;
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}
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@ -112,6 +112,95 @@ static int dm_test_gpio(struct unit_test_state *uts)
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}
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DM_TEST(dm_test_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that GPIO open-drain/open-source emulation works correctly */
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static int dm_test_gpio_opendrain_opensource(struct unit_test_state *uts)
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{
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struct gpio_desc desc_list[8];
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struct udevice *dev, *gpio_c;
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char buf[80];
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ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
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ut_asserteq_str("a-test", dev->name);
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ut_assertok(uclass_get_device(UCLASS_GPIO, 3, &gpio_c));
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ut_asserteq_str("pinmux-gpios", gpio_c->name);
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ut_asserteq(8, gpio_request_list_by_name(dev, "test3-gpios", desc_list,
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ARRAY_SIZE(desc_list), 0))
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ut_asserteq(true, !!device_active(gpio_c));
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ut_asserteq_ptr(gpio_c, desc_list[0].dev);
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ut_asserteq_ptr(gpio_c, desc_list[1].dev);
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ut_asserteq_ptr(gpio_c, desc_list[2].dev);
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ut_asserteq_ptr(gpio_c, desc_list[3].dev);
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ut_asserteq_ptr(gpio_c, desc_list[4].dev);
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ut_asserteq_ptr(gpio_c, desc_list[5].dev);
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ut_asserteq_ptr(gpio_c, desc_list[6].dev);
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ut_asserteq_ptr(gpio_c, desc_list[7].dev);
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/* GPIO 0 is (GPIO_OUT|GPIO_OPEN_DRAIN) */
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ut_asserteq(GPIOD_IS_OUT | GPIOD_OPEN_DRAIN,
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sandbox_gpio_get_dir_flags(gpio_c, 0));
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/* Set it as output high, should become an input */
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ut_assertok(dm_gpio_set_value(&desc_list[0], 1));
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ut_assertok(gpio_get_status(gpio_c, 0, buf, sizeof(buf)));
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ut_asserteq_str("c0: input: 0 [x] a-test.test3-gpios0", buf);
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/* Set it as output low, should become output low */
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ut_assertok(dm_gpio_set_value(&desc_list[0], 0));
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ut_assertok(gpio_get_status(gpio_c, 0, buf, sizeof(buf)));
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ut_asserteq_str("c0: output: 0 [x] a-test.test3-gpios0", buf);
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/* GPIO 1 is (GPIO_OUT|GPIO_OPEN_SOURCE) */
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ut_asserteq(GPIOD_IS_OUT | GPIOD_OPEN_SOURCE,
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sandbox_gpio_get_dir_flags(gpio_c, 1));
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/* Set it as output high, should become output high */
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ut_assertok(dm_gpio_set_value(&desc_list[1], 1));
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ut_assertok(gpio_get_status(gpio_c, 1, buf, sizeof(buf)));
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ut_asserteq_str("c1: output: 1 [x] a-test.test3-gpios1", buf);
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/* Set it as output low, should become an input */
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ut_assertok(dm_gpio_set_value(&desc_list[1], 0));
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ut_assertok(gpio_get_status(gpio_c, 1, buf, sizeof(buf)));
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ut_asserteq_str("c1: input: 1 [x] a-test.test3-gpios1", buf);
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/* GPIO 6 is (GPIO_ACTIVE_LOW|GPIO_OUT|GPIO_OPEN_DRAIN) */
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ut_asserteq(GPIOD_ACTIVE_LOW | GPIOD_IS_OUT | GPIOD_OPEN_DRAIN,
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sandbox_gpio_get_dir_flags(gpio_c, 6));
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/* Set it as output high, should become output low */
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ut_assertok(dm_gpio_set_value(&desc_list[6], 1));
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ut_assertok(gpio_get_status(gpio_c, 6, buf, sizeof(buf)));
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ut_asserteq_str("c6: output: 0 [x] a-test.test3-gpios6", buf);
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/* Set it as output low, should become an input */
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ut_assertok(dm_gpio_set_value(&desc_list[6], 0));
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ut_assertok(gpio_get_status(gpio_c, 6, buf, sizeof(buf)));
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ut_asserteq_str("c6: input: 0 [x] a-test.test3-gpios6", buf);
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/* GPIO 7 is (GPIO_ACTIVE_LOW|GPIO_OUT|GPIO_OPEN_SOURCE) */
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ut_asserteq(GPIOD_ACTIVE_LOW | GPIOD_IS_OUT | GPIOD_OPEN_SOURCE,
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sandbox_gpio_get_dir_flags(gpio_c, 7));
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/* Set it as output high, should become an input */
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ut_assertok(dm_gpio_set_value(&desc_list[7], 1));
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ut_assertok(gpio_get_status(gpio_c, 7, buf, sizeof(buf)));
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ut_asserteq_str("c7: input: 0 [x] a-test.test3-gpios7", buf);
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/* Set it as output low, should become output high */
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ut_assertok(dm_gpio_set_value(&desc_list[7], 0));
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ut_assertok(gpio_get_status(gpio_c, 7, buf, sizeof(buf)));
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ut_asserteq_str("c7: output: 1 [x] a-test.test3-gpios7", buf);
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ut_assertok(gpio_free_list(dev, desc_list, 8));
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return 0;
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}
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DM_TEST(dm_test_gpio_opendrain_opensource,
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DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that sandbox anonymous GPIOs work correctly */
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static int dm_test_gpio_anon(struct unit_test_state *uts)
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{
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