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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>
376 lines
11 KiB
Diff
376 lines
11 KiB
Diff
From 697eb56ed8c9b3814ddbd87ae0c6e749ccafc9e3 Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Sat, 28 Aug 2021 00:27:19 -0500
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Subject: [PATCH 50/90] gpio: axp: Select variant from compatible at runtime
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There are three major variants of the AXP PMIC GPIO functionality (plus
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PMICs with no GPIOs at all). Except for GPIO3 on the AXP209, which uses
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a different register layout, it is straightforward to support all three
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variants with a single driver. Do this, and in the process remove the
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GPIO-related definitions from the PMIC-specific headers, and therefore
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the dependency on AXP_PMIC_BUS.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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drivers/gpio/Kconfig | 1 -
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drivers/gpio/axp_gpio.c | 137 +++++++++++++++++++++-------------------
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drivers/power/axp209.c | 6 +-
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drivers/power/axp221.c | 4 +-
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include/axp152.h | 10 ---
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include/axp209.h | 16 ++---
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include/axp221.h | 13 ++--
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include/axp809.h | 8 ---
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include/axp818.h | 8 ---
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9 files changed, 89 insertions(+), 114 deletions(-)
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--- a/drivers/gpio/Kconfig
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+++ b/drivers/gpio/Kconfig
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@@ -107,7 +107,6 @@ config ALTERA_PIO
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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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--- a/drivers/gpio/axp_gpio.c
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+++ b/drivers/gpio/axp_gpio.c
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@@ -7,110 +7,117 @@
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#include <common.h>
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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 <errno.h>
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#include <power/pmic.h>
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#define AXP_GPIO_PREFIX "AXP0-"
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#define AXP_GPIO_COUNT 4
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-static int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val);
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-
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-static u8 axp_get_gpio_ctrl_reg(unsigned pin)
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-{
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- switch (pin) {
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- case 0: return AXP_GPIO0_CTRL;
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- case 1: return AXP_GPIO1_CTRL;
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-#ifdef AXP_GPIO2_CTRL
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- case 2: return AXP_GPIO2_CTRL;
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-#endif
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-#ifdef AXP_GPIO3_CTRL
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- case 3: return AXP_GPIO3_CTRL;
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-#endif
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- }
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- return 0;
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-}
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-
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-static int axp_gpio_direction_input(struct udevice *dev, unsigned pin)
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-{
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- u8 reg;
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-
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- reg = axp_get_gpio_ctrl_reg(pin);
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- if (reg == 0)
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- return -EINVAL;
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-
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- return pmic_reg_write(dev->parent, reg, AXP_GPIO_CTRL_INPUT);
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-}
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-
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-static int axp_gpio_direction_output(struct udevice *dev, unsigned pin,
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- int val)
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-{
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- u8 reg;
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-
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- reg = axp_get_gpio_ctrl_reg(pin);
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- if (reg == 0)
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- return -EINVAL;
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-
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- return pmic_reg_write(dev->parent, reg,
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- val ? AXP_GPIO_CTRL_OUTPUT_HIGH :
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- AXP_GPIO_CTRL_OUTPUT_LOW);
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-}
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+#define AXP_GPIO_CTRL_MASK 0x7
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+#define AXP_GPIO_CTRL_OUTPUT_LOW 0
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+#define AXP_GPIO_CTRL_OUTPUT_HIGH 1
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+
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+struct axp_gpio_desc {
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+ const u8 *pins;
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+ u8 npins;
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+ u8 status_reg;
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+ u8 status_offset;
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+ u8 input_mux;
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+};
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static int axp_gpio_get_value(struct udevice *dev, unsigned pin)
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{
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- u8 reg, mask;
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+ const struct axp_gpio_desc *desc = dev_get_priv(dev);
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int ret;
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- reg = axp_get_gpio_ctrl_reg(pin);
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- if (reg == 0)
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- return -EINVAL;
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-
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- ret = pmic_reg_read(dev->parent, AXP_GPIO_STATE);
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+ ret = pmic_reg_read(dev->parent, desc->status_reg);
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if (ret < 0)
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return ret;
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- mask = 1 << (pin + AXP_GPIO_STATE_OFFSET);
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-
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- return (ret & mask) ? 1 : 0;
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+ return !!(ret & BIT(desc->status_offset + pin));
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}
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-static int axp_gpio_set_value(struct udevice *dev, unsigned pin, int val)
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+static int axp_gpio_set_flags(struct udevice *dev, unsigned pin, ulong flags)
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{
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- u8 reg;
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+ const struct axp_gpio_desc *desc = dev_get_priv(dev);
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+ u8 mux;
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- reg = axp_get_gpio_ctrl_reg(pin);
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- if (reg == 0)
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+ if (flags & (GPIOD_MASK_DSTYPE | GPIOD_MASK_PULL))
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return -EINVAL;
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- return pmic_reg_write(dev->parent, reg,
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- val ? AXP_GPIO_CTRL_OUTPUT_HIGH :
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- AXP_GPIO_CTRL_OUTPUT_LOW);
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+ if (flags & GPIOD_IS_IN)
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+ mux = desc->input_mux;
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+ else if (flags & GPIOD_IS_OUT_ACTIVE)
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+ mux = AXP_GPIO_CTRL_OUTPUT_HIGH;
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+ else
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+ mux = AXP_GPIO_CTRL_OUTPUT_LOW;
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+
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+ return pmic_clrsetbits(dev->parent, desc->pins[pin],
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+ AXP_GPIO_CTRL_MASK, mux);
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}
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static const struct dm_gpio_ops axp_gpio_ops = {
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- .direction_input = axp_gpio_direction_input,
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- .direction_output = axp_gpio_direction_output,
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.get_value = axp_gpio_get_value,
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- .set_value = axp_gpio_set_value,
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+ .xlate = gpio_xlate_offs_flags,
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+ .set_flags = axp_gpio_set_flags,
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};
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static int axp_gpio_probe(struct udevice *dev)
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{
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+ struct axp_gpio_desc *desc = (void *)dev_get_driver_data(dev);
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struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
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+ dev_set_priv(dev, desc);
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+
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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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- uc_priv->gpio_count = AXP_GPIO_COUNT;
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+ uc_priv->gpio_count = desc->npins;
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return 0;
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}
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+static const u8 axp152_gpio_pins[] = {
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+ 0x90, 0x91, 0x92, 0x93,
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+};
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+
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+static const struct axp_gpio_desc axp152_gpio_desc = {
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+ .pins = axp152_gpio_pins,
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+ .npins = ARRAY_SIZE(axp152_gpio_pins),
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+ .status_reg = 0x97,
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+ .status_offset = 4,
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+ .input_mux = 3,
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+};
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+
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+static const u8 axp209_gpio_pins[] = {
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+ 0x90, 0x92, 0x93,
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+};
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+
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+static const struct axp_gpio_desc axp209_gpio_desc = {
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+ .pins = axp209_gpio_pins,
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+ .npins = ARRAY_SIZE(axp209_gpio_pins),
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+ .status_reg = 0x94,
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+ .status_offset = 4,
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+ .input_mux = 2,
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+};
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+
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+static const u8 axp221_gpio_pins[] = {
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+ 0x90, 0x92,
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+};
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+
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+static const struct axp_gpio_desc axp221_gpio_desc = {
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+ .pins = axp221_gpio_pins,
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+ .npins = ARRAY_SIZE(axp221_gpio_pins),
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+ .status_reg = 0x94,
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+ .input_mux = 2,
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+};
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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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+ { .compatible = "x-powers,axp152-gpio", .data = (ulong)&axp152_gpio_desc },
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+ { .compatible = "x-powers,axp209-gpio", .data = (ulong)&axp209_gpio_desc },
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+ { .compatible = "x-powers,axp221-gpio", .data = (ulong)&axp221_gpio_desc },
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+ { .compatible = "x-powers,axp813-gpio", .data = (ulong)&axp221_gpio_desc },
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{ }
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};
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--- a/drivers/power/axp209.c
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+++ b/drivers/power/axp209.c
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@@ -215,15 +215,15 @@ int axp_init(void)
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* Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
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* from android these are sometimes on.
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*/
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- rc = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
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+ rc = pmic_bus_write(AXP209_GPIO0_CTRL, AXP209_GPIO_CTRL_INPUT);
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if (rc)
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return rc;
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- rc = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
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+ rc = pmic_bus_write(AXP209_GPIO1_CTRL, AXP209_GPIO_CTRL_INPUT);
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if (rc)
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return rc;
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- rc = pmic_bus_write(AXP_GPIO2_CTRL, AXP_GPIO_CTRL_INPUT);
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+ rc = pmic_bus_write(AXP209_GPIO2_CTRL, AXP209_GPIO_CTRL_INPUT);
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if (rc)
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return rc;
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--- a/drivers/power/axp221.c
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+++ b/drivers/power/axp221.c
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@@ -226,11 +226,11 @@ int axp_init(void)
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* Turn off LDOIO regulators / tri-state GPIO pins, when rebooting
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* from android these are sometimes on.
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*/
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- ret = pmic_bus_write(AXP_GPIO0_CTRL, AXP_GPIO_CTRL_INPUT);
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+ ret = pmic_bus_write(AXP221_GPIO0_CTRL, AXP221_GPIO_CTRL_INPUT);
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if (ret)
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return ret;
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- ret = pmic_bus_write(AXP_GPIO1_CTRL, AXP_GPIO_CTRL_INPUT);
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+ ret = pmic_bus_write(AXP221_GPIO1_CTRL, AXP221_GPIO_CTRL_INPUT);
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if (ret)
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return ret;
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--- a/include/axp152.h
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+++ b/include/axp152.h
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@@ -14,17 +14,7 @@ enum axp152_reg {
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#define AXP152_POWEROFF (1 << 7)
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-/* For axp_gpio.c */
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#ifdef CONFIG_AXP152_POWER
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#define AXP_POWER_STATUS 0x00
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#define AXP_POWER_STATUS_ALDO_IN BIT(0)
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-#define AXP_GPIO0_CTRL 0x90
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-#define AXP_GPIO1_CTRL 0x91
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-#define AXP_GPIO2_CTRL 0x92
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-#define AXP_GPIO3_CTRL 0x93
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-#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
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-#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
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-#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
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-#define AXP_GPIO_STATE 0x97
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-#define AXP_GPIO_STATE_OFFSET 0
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#endif
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--- a/include/axp209.h
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+++ b/include/axp209.h
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@@ -21,6 +21,9 @@ enum axp209_reg {
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AXP209_IRQ_ENABLE5 = 0x44,
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AXP209_IRQ_STATUS5 = 0x4c,
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AXP209_SHUTDOWN = 0x32,
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+ AXP209_GPIO0_CTRL = 0x90,
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+ AXP209_GPIO1_CTRL = 0x92,
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+ AXP209_GPIO2_CTRL = 0x93,
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};
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#define AXP209_POWER_STATUS_ON_BY_DC BIT(0)
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@@ -73,16 +76,11 @@ enum axp209_reg {
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#define AXP209_POWEROFF BIT(7)
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-/* For axp_gpio.c */
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+#define AXP209_GPIO_CTRL_OUTPUT_LOW 0x00
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+#define AXP209_GPIO_CTRL_OUTPUT_HIGH 0x01
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+#define AXP209_GPIO_CTRL_INPUT 0x02
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+
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#ifdef CONFIG_AXP209_POWER
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#define AXP_POWER_STATUS 0x00
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#define AXP_POWER_STATUS_ALDO_IN BIT(0)
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-#define AXP_GPIO0_CTRL 0x90
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-#define AXP_GPIO1_CTRL 0x92
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-#define AXP_GPIO2_CTRL 0x93
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-#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
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-#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
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-#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
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-#define AXP_GPIO_STATE 0x94
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-#define AXP_GPIO_STATE_OFFSET 4
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#endif
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--- a/include/axp221.h
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+++ b/include/axp221.h
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@@ -44,20 +44,17 @@
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#define AXP221_ALDO3_CTRL 0x2a
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#define AXP221_SHUTDOWN 0x32
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#define AXP221_SHUTDOWN_POWEROFF (1 << 7)
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+#define AXP221_GPIO0_CTRL 0x90
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+#define AXP221_GPIO1_CTRL 0x92
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+#define AXP221_GPIO_CTRL_OUTPUT_LOW 0x00
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+#define AXP221_GPIO_CTRL_OUTPUT_HIGH 0x01
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+#define AXP221_GPIO_CTRL_INPUT 0x02
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#define AXP221_PAGE 0xff
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/* Page 1 addresses */
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#define AXP221_SID 0x20
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-/* For axp_gpio.c */
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#ifdef CONFIG_AXP221_POWER
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#define AXP_POWER_STATUS 0x00
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#define AXP_POWER_STATUS_ALDO_IN BIT(0)
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-#define AXP_GPIO0_CTRL 0x90
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-#define AXP_GPIO1_CTRL 0x92
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-#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
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-#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
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-#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
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-#define AXP_GPIO_STATE 0x94
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-#define AXP_GPIO_STATE_OFFSET 0
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#endif
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--- a/include/axp809.h
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+++ b/include/axp809.h
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@@ -43,15 +43,7 @@
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#define AXP809_SHUTDOWN 0x32
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#define AXP809_SHUTDOWN_POWEROFF (1 << 7)
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-/* For axp_gpio.c */
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#ifdef CONFIG_AXP809_POWER
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#define AXP_POWER_STATUS 0x00
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#define AXP_POWER_STATUS_ALDO_IN BIT(0)
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-#define AXP_GPIO0_CTRL 0x90
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-#define AXP_GPIO1_CTRL 0x92
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-#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
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-#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
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-#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
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-#define AXP_GPIO_STATE 0x94
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-#define AXP_GPIO_STATE_OFFSET 0
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#endif
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--- a/include/axp818.h
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+++ b/include/axp818.h
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@@ -57,15 +57,7 @@
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#define AXP818_SHUTDOWN 0x32
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#define AXP818_SHUTDOWN_POWEROFF (1 << 7)
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-/* For axp_gpio.c */
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#ifdef CONFIG_AXP818_POWER
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#define AXP_POWER_STATUS 0x00
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#define AXP_POWER_STATUS_ALDO_IN BIT(0)
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-#define AXP_GPIO0_CTRL 0x90
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-#define AXP_GPIO1_CTRL 0x92
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-#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
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-#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
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-#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
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-#define AXP_GPIO_STATE 0x94
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-#define AXP_GPIO_STATE_OFFSET 0
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#endif
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