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-rw-r--r--drivers/mfd/Kconfig1
-rw-r--r--drivers/mfd/altera-sysmgr.c4
-rw-r--r--drivers/mfd/cs42l43.c72
-rw-r--r--drivers/mfd/intel-lpss-pci.c28
-rw-r--r--drivers/mfd/intel-lpss.c9
-rw-r--r--drivers/mfd/intel-lpss.h14
-rw-r--r--drivers/mfd/syscon.c4
7 files changed, 84 insertions, 48 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 68d71b4b55..f8fdf82238 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1773,6 +1773,7 @@ config TWL4030_CORE
bool "TI TWL4030/TWL5030/TWL6030/TPS659x0 Support"
depends on I2C=y
select IRQ_DOMAIN
+ select MFD_CORE
select REGMAP_I2C
help
Say yes here if you have TWL4030 / TWL6030 family chip on your board.
diff --git a/drivers/mfd/altera-sysmgr.c b/drivers/mfd/altera-sysmgr.c
index 0e52bd2ebd..fb5f988e61 100644
--- a/drivers/mfd/altera-sysmgr.c
+++ b/drivers/mfd/altera-sysmgr.c
@@ -109,7 +109,9 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
dev = driver_find_device_by_of_node(&altr_sysmgr_driver.driver,
(void *)sysmgr_np);
- of_node_put(sysmgr_np);
+ if (property)
+ of_node_put(sysmgr_np);
+
if (!dev)
return ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/mfd/cs42l43.c b/drivers/mfd/cs42l43.c
index 7b6d07cbe6..1cea3f8f46 100644
--- a/drivers/mfd/cs42l43.c
+++ b/drivers/mfd/cs42l43.c
@@ -84,7 +84,7 @@ const struct reg_default cs42l43_reg_default[CS42L43_N_DEFAULTS] = {
{ CS42L43_DRV_CTRL_5, 0x136C00C0 },
{ CS42L43_GPIO_CTRL1, 0x00000707 },
{ CS42L43_GPIO_CTRL2, 0x00000000 },
- { CS42L43_GPIO_FN_SEL, 0x00000000 },
+ { CS42L43_GPIO_FN_SEL, 0x00000004 },
{ CS42L43_MCLK_SRC_SEL, 0x00000000 },
{ CS42L43_SAMPLE_RATE1, 0x00000003 },
{ CS42L43_SAMPLE_RATE2, 0x00000003 },
@@ -131,38 +131,38 @@ const struct reg_default cs42l43_reg_default[CS42L43_N_DEFAULTS] = {
{ CS42L43_ASP_TX_CH4_CTRL, 0x00170091 },
{ CS42L43_ASP_TX_CH5_CTRL, 0x001700C1 },
{ CS42L43_ASP_TX_CH6_CTRL, 0x001700F1 },
- { CS42L43_ASPTX1_INPUT, 0x00800000 },
- { CS42L43_ASPTX2_INPUT, 0x00800000 },
- { CS42L43_ASPTX3_INPUT, 0x00800000 },
- { CS42L43_ASPTX4_INPUT, 0x00800000 },
- { CS42L43_ASPTX5_INPUT, 0x00800000 },
- { CS42L43_ASPTX6_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP1_CH1_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP1_CH2_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP1_CH3_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP1_CH4_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP2_CH1_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP2_CH2_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP3_CH1_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP3_CH2_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP4_CH1_INPUT, 0x00800000 },
- { CS42L43_SWIRE_DP4_CH2_INPUT, 0x00800000 },
- { CS42L43_ASRC_INT1_INPUT1, 0x00800000 },
- { CS42L43_ASRC_INT2_INPUT1, 0x00800000 },
- { CS42L43_ASRC_INT3_INPUT1, 0x00800000 },
- { CS42L43_ASRC_INT4_INPUT1, 0x00800000 },
- { CS42L43_ASRC_DEC1_INPUT1, 0x00800000 },
- { CS42L43_ASRC_DEC2_INPUT1, 0x00800000 },
- { CS42L43_ASRC_DEC3_INPUT1, 0x00800000 },
- { CS42L43_ASRC_DEC4_INPUT1, 0x00800000 },
- { CS42L43_ISRC1INT1_INPUT1, 0x00800000 },
- { CS42L43_ISRC1INT2_INPUT1, 0x00800000 },
- { CS42L43_ISRC1DEC1_INPUT1, 0x00800000 },
- { CS42L43_ISRC1DEC2_INPUT1, 0x00800000 },
- { CS42L43_ISRC2INT1_INPUT1, 0x00800000 },
- { CS42L43_ISRC2INT2_INPUT1, 0x00800000 },
- { CS42L43_ISRC2DEC1_INPUT1, 0x00800000 },
- { CS42L43_ISRC2DEC2_INPUT1, 0x00800000 },
+ { CS42L43_ASPTX1_INPUT, 0x00000000 },
+ { CS42L43_ASPTX2_INPUT, 0x00000000 },
+ { CS42L43_ASPTX3_INPUT, 0x00000000 },
+ { CS42L43_ASPTX4_INPUT, 0x00000000 },
+ { CS42L43_ASPTX5_INPUT, 0x00000000 },
+ { CS42L43_ASPTX6_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP1_CH1_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP1_CH2_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP1_CH3_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP1_CH4_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP2_CH1_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP2_CH2_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP3_CH1_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP3_CH2_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP4_CH1_INPUT, 0x00000000 },
+ { CS42L43_SWIRE_DP4_CH2_INPUT, 0x00000000 },
+ { CS42L43_ASRC_INT1_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_INT2_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_INT3_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_INT4_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_DEC1_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_DEC2_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_DEC3_INPUT1, 0x00000000 },
+ { CS42L43_ASRC_DEC4_INPUT1, 0x00000000 },
+ { CS42L43_ISRC1INT1_INPUT1, 0x00000000 },
+ { CS42L43_ISRC1INT2_INPUT1, 0x00000000 },
+ { CS42L43_ISRC1DEC1_INPUT1, 0x00000000 },
+ { CS42L43_ISRC1DEC2_INPUT1, 0x00000000 },
+ { CS42L43_ISRC2INT1_INPUT1, 0x00000000 },
+ { CS42L43_ISRC2INT2_INPUT1, 0x00000000 },
+ { CS42L43_ISRC2DEC1_INPUT1, 0x00000000 },
+ { CS42L43_ISRC2DEC2_INPUT1, 0x00000000 },
{ CS42L43_EQ1MIX_INPUT1, 0x00800000 },
{ CS42L43_EQ1MIX_INPUT2, 0x00800000 },
{ CS42L43_EQ1MIX_INPUT3, 0x00800000 },
@@ -171,8 +171,8 @@ const struct reg_default cs42l43_reg_default[CS42L43_N_DEFAULTS] = {
{ CS42L43_EQ2MIX_INPUT2, 0x00800000 },
{ CS42L43_EQ2MIX_INPUT3, 0x00800000 },
{ CS42L43_EQ2MIX_INPUT4, 0x00800000 },
- { CS42L43_SPDIF1_INPUT1, 0x00800000 },
- { CS42L43_SPDIF2_INPUT1, 0x00800000 },
+ { CS42L43_SPDIF1_INPUT1, 0x00000000 },
+ { CS42L43_SPDIF2_INPUT1, 0x00000000 },
{ CS42L43_AMP1MIX_INPUT1, 0x00800000 },
{ CS42L43_AMP1MIX_INPUT2, 0x00800000 },
{ CS42L43_AMP1MIX_INPUT3, 0x00800000 },
@@ -217,7 +217,7 @@ const struct reg_default cs42l43_reg_default[CS42L43_N_DEFAULTS] = {
{ CS42L43_CTRL_REG, 0x00000006 },
{ CS42L43_FDIV_FRAC, 0x40000000 },
{ CS42L43_CAL_RATIO, 0x00000080 },
- { CS42L43_SPI_CLK_CONFIG1, 0x00000000 },
+ { CS42L43_SPI_CLK_CONFIG1, 0x00000001 },
{ CS42L43_SPI_CONFIG1, 0x00000000 },
{ CS42L43_SPI_CONFIG2, 0x00000000 },
{ CS42L43_SPI_CONFIG3, 0x00000001 },
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index ae57592006..cab11ed23b 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -18,18 +18,29 @@
#include "intel-lpss.h"
-/* Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources */
-static const struct pci_device_id ignore_resource_conflicts_ids[] = {
- /* Microsoft Surface Go (version 1) I2C4 */
- { PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1182), },
- /* Microsoft Surface Go 2 I2C4 */
- { PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1237), },
+static const struct pci_device_id quirk_ids[] = {
+ {
+ /* Microsoft Surface Go (version 1) I2C4 */
+ PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1182),
+ .driver_data = QUIRK_IGNORE_RESOURCE_CONFLICTS,
+ },
+ {
+ /* Microsoft Surface Go 2 I2C4 */
+ PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x9d64, 0x152d, 0x1237),
+ .driver_data = QUIRK_IGNORE_RESOURCE_CONFLICTS,
+ },
+ {
+ /* Dell XPS 9530 (2023) */
+ PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, 0x51fb, 0x1028, 0x0beb),
+ .driver_data = QUIRK_CLOCK_DIVIDER_UNITY,
+ },
{ }
};
static int intel_lpss_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
+ const struct pci_device_id *quirk_pci_info;
struct intel_lpss_platform_info *info;
int ret;
@@ -45,8 +56,9 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev,
info->mem = &pdev->resource[0];
info->irq = pdev->irq;
- if (pci_match_id(ignore_resource_conflicts_ids, pdev))
- info->ignore_resource_conflicts = true;
+ quirk_pci_info = pci_match_id(quirk_ids, pdev);
+ if (quirk_pci_info)
+ info->quirks = quirk_pci_info->driver_data;
pdev->d3cold_delay = 0;
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index 00e7b578bb..d422e88ba4 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -292,6 +292,7 @@ static int intel_lpss_register_clock_divider(struct intel_lpss *lpss,
{
char name[32];
struct clk *tmp = *clk;
+ int ret;
snprintf(name, sizeof(name), "%s-enable", devname);
tmp = clk_register_gate(NULL, name, __clk_get_name(tmp), 0,
@@ -308,6 +309,12 @@ static int intel_lpss_register_clock_divider(struct intel_lpss *lpss,
return PTR_ERR(tmp);
*clk = tmp;
+ if (lpss->info->quirks & QUIRK_CLOCK_DIVIDER_UNITY) {
+ ret = clk_set_rate(tmp, lpss->info->clk_rate);
+ if (ret)
+ return ret;
+ }
+
snprintf(name, sizeof(name), "%s-update", devname);
tmp = clk_register_gate(NULL, name, __clk_get_name(tmp),
CLK_SET_RATE_PARENT, lpss->priv, 31, 0, NULL);
@@ -401,7 +408,7 @@ int intel_lpss_probe(struct device *dev,
return ret;
lpss->cell->swnode = info->swnode;
- lpss->cell->ignore_resource_conflicts = info->ignore_resource_conflicts;
+ lpss->cell->ignore_resource_conflicts = info->quirks & QUIRK_IGNORE_RESOURCE_CONFLICTS;
intel_lpss_init_dev(lpss);
diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h
index 062ce95b68..f50d11d60d 100644
--- a/drivers/mfd/intel-lpss.h
+++ b/drivers/mfd/intel-lpss.h
@@ -11,16 +11,28 @@
#ifndef __MFD_INTEL_LPSS_H
#define __MFD_INTEL_LPSS_H
+#include <linux/bits.h>
#include <linux/pm.h>
+/*
+ * Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources.
+ * Set to ignore resource conflicts with ACPI declared SystemMemory regions.
+ */
+#define QUIRK_IGNORE_RESOURCE_CONFLICTS BIT(0)
+/*
+ * Some devices have misconfigured clock divider due to a firmware bug.
+ * Set this to force the clock divider to 1:1 ratio.
+ */
+#define QUIRK_CLOCK_DIVIDER_UNITY BIT(1)
+
struct device;
struct resource;
struct software_node;
struct intel_lpss_platform_info {
struct resource *mem;
- bool ignore_resource_conflicts;
int irq;
+ unsigned int quirks;
unsigned long clk_rate;
const char *clk_con_id;
const struct software_node *swnode;
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index c9550368d9..7d0e91164c 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -238,7 +238,9 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
return ERR_PTR(-ENODEV);
regmap = syscon_node_to_regmap(syscon_np);
- of_node_put(syscon_np);
+
+ if (property)
+ of_node_put(syscon_np);
return regmap;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 15:35:48 +0000