Merge tag 'socfpga_fix_for_v5.16_part_3' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes

SoCFPGA dts updates for v5.16, part 3
- Change the SoCFPGA compatible to "intel,socfpga-qspi"
- Update dt-bindings document to include "intel,socfpga-qspi"

* tag 'socfpga_fix_for_v5.16_part_3' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: (361 commits)
  ARM: dts: socfpga: change qspi to "intel,socfpga-qspi"
  dt-bindings: spi: cadence-quadspi: document "intel,socfpga-qspi"
  Linux 5.16-rc7
  mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_page()
  mm/damon/dbgfs: protect targets destructions with kdamond_lock
  mm/page_alloc: fix __alloc_size attribute for alloc_pages_exact_nid
  mm: delete unsafe BUG from page_cache_add_speculative()
  mm, hwpoison: fix condition in free hugetlb page path
  MAINTAINERS: mark more list instances as moderated
  kernel/crash_core: suppress unknown crashkernel parameter warning
  mm: mempolicy: fix THP allocations escaping mempolicy restrictions
  kfence: fix memory leak when cat kfence objects
  platform/x86: intel_pmc_core: fix memleak on registration failure
  net: stmmac: dwmac-visconti: Fix value of ETHER_CLK_SEL_FREQ_SEL_2P5M
  r8152: sync ocp base
  r8152: fix the force speed doesn't work for RTL8156
  net: bridge: fix ioctl old_deviceless bridge argument
  net: stmmac: ptp: fix potentially overflowing expression
  net: dsa: tag_ocelot: use traffic class to map priority on injected header
  veth: ensure skb entering GRO are not cloned.
  ...

Link: https://lore.kernel.org/r/20211227103644.566694-1-dinguyen@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>

1 files changed, 26 insertions, 5 deletions

diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
index b5cc91788195..aaa3c455e01e 100644
--- a/drivers/input/touchscreen/goodix.c
+++ b/drivers/input/touchscreen/goodix.c
@@ -102,6 +102,7 @@ static const struct goodix_chip_id goodix_chip_ids[] = {
 	{ .id = "911", .data = &gt911_chip_data },
 	{ .id = "9271", .data = &gt911_chip_data },
 	{ .id = "9110", .data = &gt911_chip_data },
+	{ .id = "9111", .data = &gt911_chip_data },
 	{ .id = "927", .data = &gt911_chip_data },
 	{ .id = "928", .data = &gt911_chip_data },
 
@@ -650,10 +651,16 @@ int goodix_reset_no_int_sync(struct goodix_ts_data *ts)
 
 	usleep_range(6000, 10000);		/* T4: > 5ms */
 
-	/* end select I2C slave addr */
-	error = gpiod_direction_input(ts->gpiod_rst);
-	if (error)
-		goto error;
+	/*
+	 * Put the reset pin back in to input / high-impedance mode to save
+	 * power. Only do this in the non ACPI case since some ACPI boards
+	 * don't have a pull-up, so there the reset pin must stay active-high.
+	 */
+	if (ts->irq_pin_access_method == IRQ_PIN_ACCESS_GPIO) {
+		error = gpiod_direction_input(ts->gpiod_rst);
+		if (error)
+			goto error;
+	}
 
 	return 0;
 
@@ -787,6 +794,14 @@ static int goodix_add_acpi_gpio_mappings(struct goodix_ts_data *ts)
 		return -EINVAL;
 	}
 
+	/*
+	 * Normally we put the reset pin in input / high-impedance mode to save
+	 * power. But some x86/ACPI boards don't have a pull-up, so for the ACPI
+	 * case, leave the pin as is. This results in the pin not being touched
+	 * at all on x86/ACPI boards, except when needed for error-recover.
+	 */
+	ts->gpiod_rst_flags = GPIOD_ASIS;
+
 	return devm_acpi_dev_add_driver_gpios(dev, gpio_mapping);
 }
 #else
@@ -812,6 +827,12 @@ static int goodix_get_gpio_config(struct goodix_ts_data *ts)
 		return -EINVAL;
 	dev = &ts->client->dev;
 
+	/*
+	 * By default we request the reset pin as input, leaving it in
+	 * high-impedance when not resetting the controller to save power.
+	 */
+	ts->gpiod_rst_flags = GPIOD_IN;
+
 	ts->avdd28 = devm_regulator_get(dev, "AVDD28");
 	if (IS_ERR(ts->avdd28)) {
 		error = PTR_ERR(ts->avdd28);
@@ -849,7 +870,7 @@ retry_get_irq_gpio:
 	ts->gpiod_int = gpiod;
 
 	/* Get the reset line GPIO pin number */
-	gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, GPIOD_IN);
+	gpiod = devm_gpiod_get_optional(dev, GOODIX_GPIO_RST_NAME, ts->gpiod_rst_flags);
 	if (IS_ERR(gpiod)) {
 		error = PTR_ERR(gpiod);
 		if (error != -EPROBE_DEFER)