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d41d9befb9
Add u-boot bootloader based on 2023.01 to support D1-based boards, currently: - Dongshan Nezha STU - LicheePi RV Dock - MangoPi MQ-Pro - Nezha D1 Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
140 lines
4.0 KiB
Diff
140 lines
4.0 KiB
Diff
From a39b1bd1ad0babb355a5cb6f6a3bd8e378433b54 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Fri, 27 Aug 2021 21:43:19 -0500
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Subject: [PATCH 48/90] gpio: axp: Bind via device tree
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Now that the PMIC has a DM driver and binds device tree subnodes, the
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GPIO device can be bound that way, instead of from inside board code.
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Since the driver still uses the single set of register definitions from
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axpXXX.h (as selected by AXPxxx_POWER), it does not differentiate among
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the supported compatibles.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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arch/arm/include/asm/arch-sunxi/gpio.h | 6 -----
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arch/arm/mach-sunxi/Kconfig | 6 -----
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board/sunxi/board.c | 4 ---
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drivers/gpio/Kconfig | 8 ++++++
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drivers/gpio/axp_gpio.c | 34 +++++++++++---------------
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5 files changed, 22 insertions(+), 36 deletions(-)
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--- a/arch/arm/include/asm/arch-sunxi/gpio.h
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+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
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@@ -219,10 +219,4 @@ void sunxi_gpio_set_pull(u32 pin, u32 va
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void sunxi_gpio_set_pull_bank(struct sunxi_gpio *pio, int bank_offset, u32 val);
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int sunxi_name_to_gpio(const char *name);
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-#if !defined CONFIG_SPL_BUILD && defined CONFIG_AXP_GPIO
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-int axp_gpio_init(void);
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-#else
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-static inline int axp_gpio_init(void) { return 0; }
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-#endif
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-
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#endif /* _SUNXI_GPIO_H */
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--- a/arch/arm/mach-sunxi/Kconfig
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+++ b/arch/arm/mach-sunxi/Kconfig
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@@ -682,12 +682,6 @@ config R_I2C_ENABLE
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Set this to y to enable the I2C controller which is part of the PRCM.
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endif
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-config AXP_GPIO
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- bool "Enable support for gpio-s on axp PMICs"
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- depends on AXP_PMIC_BUS
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- ---help---
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- Say Y here to enable support for the gpio pins of the axp PMIC ICs.
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-
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config AXP_DISABLE_BOOT_ON_POWERON
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bool "Disable device boot on power plug-in"
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depends on AXP209_POWER || AXP221_POWER || AXP809_POWER || AXP818_POWER
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--- a/board/sunxi/board.c
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+++ b/board/sunxi/board.c
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@@ -221,10 +221,6 @@ int board_init(void)
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}
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#endif /* !CONFIG_ARM64 && !CONFIG_MACH_SUNIV */
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- ret = axp_gpio_init();
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- if (ret)
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- return ret;
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-
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/* strcmp() would look better, but doesn't get optimised away. */
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if (CONFIG_SATAPWR[0]) {
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satapwr_pin = sunxi_name_to_gpio(CONFIG_SATAPWR);
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--- a/drivers/gpio/Kconfig
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+++ b/drivers/gpio/Kconfig
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@@ -104,6 +104,14 @@ config ALTERA_PIO
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Select this to enable PIO for Altera devices. Please find
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details on the "Embedded Peripherals IP User Guide" of Altera.
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+config AXP_GPIO
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+ bool "X-Powers AXP PMICs GPIO driver"
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+ depends on DM_GPIO && PMIC_AXP
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+ depends on AXP_PMIC_BUS
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+ help
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+ This driver supports the GPIO pins on
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+ X-Powers AXP152, AXP2xx, and AXP8xx PMICs.
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+
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config BCM2835_GPIO
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bool "BCM2835 GPIO driver"
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depends on DM_GPIO
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--- a/drivers/gpio/axp_gpio.c
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+++ b/drivers/gpio/axp_gpio.c
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@@ -10,9 +10,6 @@
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#include <asm/gpio.h>
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#include <axp_pmic.h>
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#include <dm.h>
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-#include <dm/device-internal.h>
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-#include <dm/lists.h>
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-#include <dm/root.h>
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#include <errno.h>
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#define AXP_GPIO_PREFIX "AXP0-"
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@@ -99,6 +96,11 @@ static const struct dm_gpio_ops axp_gpio
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static int axp_gpio_probe(struct udevice *dev)
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{
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struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
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+ int ret;
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+
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+ ret = pmic_bus_init();
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+ if (ret)
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+ return ret;
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/* Tell the uclass how many GPIOs we have */
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uc_priv->bank_name = AXP_GPIO_PREFIX;
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@@ -107,26 +109,18 @@ static int axp_gpio_probe(struct udevice
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return 0;
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}
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+static const struct udevice_id axp_gpio_ids[] = {
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+ { .compatible = "x-powers,axp152-gpio" },
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+ { .compatible = "x-powers,axp209-gpio" },
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+ { .compatible = "x-powers,axp221-gpio" },
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+ { .compatible = "x-powers,axp813-gpio" },
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+ { }
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+};
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+
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U_BOOT_DRIVER(axp_gpio) = {
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.name = "axp_gpio",
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.id = UCLASS_GPIO,
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+ .of_match = axp_gpio_ids,
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.probe = axp_gpio_probe,
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.ops = &axp_gpio_ops,
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};
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-
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-int axp_gpio_init(void)
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-{
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- struct udevice *dev;
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- int ret;
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-
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- ret = pmic_bus_init();
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- if (ret)
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- return ret;
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-
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- /* There is no devicetree support for the axp yet, so bind directly */
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- ret = device_bind_driver(dm_root(), "axp_gpio", "AXP-gpio", &dev);
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- if (ret)
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- return ret;
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-
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- return 0;
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-}
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