ipq40xx: add IPQ4019 SD/MMC controller support

This commit finally adds support for the built in SD/MMC controller in IPQ4019 SoC.

Controller is supported by the upstream SDHCI-MSM driver with a minor clock setting patch.
Patch is special to the IPQ4019 and cannot be upstreamed.

LDO and SDHCI node are upstreamed, and LDO node is awaiting to be accepted.

Signed-off-by: Robert Marko <robimarko@gmail.com>
master
Robert Marko 4 years ago committed by Petr Štetiar
parent e99093c1ca
commit 4ff6c43499

@ -17,8 +17,6 @@ Signed-off-by: Petr Štetiar <ynezz@true.cz>
drivers/iio/chemical/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index 0b91de4df8f4..a7e65a59bf42 100644
--- a/drivers/iio/chemical/Kconfig
+++ b/drivers/iio/chemical/Kconfig
@@ -91,6 +91,8 @@ config SPS30

@ -40,8 +40,6 @@ Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
create mode 100644 drivers/iio/imu/fxos8700_i2c.c
create mode 100644 drivers/iio/imu/fxos8700_spi.c
diff --git a/drivers/iio/imu/Kconfig b/drivers/iio/imu/Kconfig
index f3c7282..60bb102 100644
--- a/drivers/iio/imu/Kconfig
+++ b/drivers/iio/imu/Kconfig
@@ -40,6 +40,33 @@ config ADIS16480
@ -78,11 +76,9 @@ index f3c7282..60bb102 100644
config KMX61
tristate "Kionix KMX61 6-axis accelerometer and magnetometer"
depends on I2C
diff --git a/drivers/iio/imu/Makefile b/drivers/iio/imu/Makefile
index 4a69588..5237fd4 100644
--- a/drivers/iio/imu/Makefile
+++ b/drivers/iio/imu/Makefile
@@ -14,6 +14,11 @@ adis_lib-$(CONFIG_IIO_ADIS_LIB_BUFFER) += adis_buffer.o
@@ -14,6 +14,11 @@ adis_lib-$(CONFIG_IIO_ADIS_LIB_BUFFER) +
obj-$(CONFIG_IIO_ADIS_LIB) += adis_lib.o
obj-y += bmi160/
@ -94,9 +90,6 @@ index 4a69588..5237fd4 100644
obj-y += inv_mpu6050/
obj-$(CONFIG_KMX61) += kmx61.o
diff --git a/drivers/iio/imu/fxos8700.h b/drivers/iio/imu/fxos8700.h
new file mode 100644
index 00000000..6dfb8d7
--- /dev/null
+++ b/drivers/iio/imu/fxos8700.h
@@ -0,0 +1,10 @@
@ -110,9 +103,6 @@ index 00000000..6dfb8d7
+ const char *name, bool use_spi);
+
+#endif /* FXOS8700_H_ */
diff --git a/drivers/iio/imu/fxos8700_core.c b/drivers/iio/imu/fxos8700_core.c
new file mode 100644
index 00000000..7b47be4
--- /dev/null
+++ b/drivers/iio/imu/fxos8700_core.c
@@ -0,0 +1,649 @@
@ -765,9 +755,6 @@ index 00000000..7b47be4
+MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>");
+MODULE_DESCRIPTION("FXOS8700 6-Axis Acc and Mag Combo Sensor driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/imu/fxos8700_i2c.c b/drivers/iio/imu/fxos8700_i2c.c
new file mode 100644
index 00000000..3ceb763
--- /dev/null
+++ b/drivers/iio/imu/fxos8700_i2c.c
@@ -0,0 +1,71 @@
@ -842,9 +829,6 @@ index 00000000..3ceb763
+MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>");
+MODULE_DESCRIPTION("FXOS8700 I2C driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/imu/fxos8700_spi.c b/drivers/iio/imu/fxos8700_spi.c
new file mode 100644
index 00000000..57e7bb6
--- /dev/null
+++ b/drivers/iio/imu/fxos8700_spi.c
@@ -0,0 +1,59 @@
@ -907,6 +891,3 @@ index 00000000..57e7bb6
+MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>");
+MODULE_DESCRIPTION("FXOS8700 SPI driver");
+MODULE_LICENSE("GPL v2");
--
2.7.4

@ -295,6 +295,14 @@ CONFIG_MFD_SYSCON=y
CONFIG_MIGHT_HAVE_CACHE_L2X0=y
CONFIG_MIGHT_HAVE_PCI=y
CONFIG_MIGRATION=y
CONFIG_MMC=y
CONFIG_MMC_BLOCK=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_IO_ACCESSORS=y
CONFIG_MMC_SDHCI_MSM=y
# CONFIG_MMC_SDHCI_PCI is not set
CONFIG_MMC_SDHCI_PLTFM=y
# CONFIG_MMC_TIFM_SD is not set
CONFIG_MODULES_USE_ELF_REL=y
# CONFIG_MSM_GCC_8660 is not set
# CONFIG_MSM_GCC_8916 is not set
@ -330,7 +338,6 @@ CONFIG_NEON=y
CONFIG_NET_DSA=y
CONFIG_NET_DSA_QCA8K=y
CONFIG_NET_DSA_TAG_QCA=y
# CONFIG_NET_DSA_VITESSE_VSC73XX is not set
CONFIG_NET_FLOW_LIMIT=y
CONFIG_NET_PTP_CLASSIFY=y
CONFIG_NET_SWITCHDEV=y
@ -368,7 +375,6 @@ CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
# CONFIG_PCI_V3_SEMI is not set
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PGTABLE_LEVELS=2
CONFIG_PHYLIB=y
@ -438,6 +444,7 @@ CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
# CONFIG_REGULATOR_QCOM_SPMI is not set
CONFIG_REGULATOR_VCTRL=y
CONFIG_REGULATOR_VQMMC_IPQ4019=y
CONFIG_RESET_CONTROLLER=y
# CONFIG_RESET_QCOM_AOSS is not set
CONFIG_RFS_ACCEL=y

@ -26,7 +26,6 @@ CONFIG_ARCH_IPQ40XX=y
CONFIG_ARCH_KEEP_MEMBLOCK=y
# CONFIG_ARCH_MDM9615 is not set
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
# CONFIG_ARCH_MILBEAUT is not set
# CONFIG_ARCH_MSM8960 is not set
# CONFIG_ARCH_MSM8974 is not set
# CONFIG_ARCH_MSM8X60 is not set
@ -37,7 +36,6 @@ CONFIG_ARCH_NR_GPIO=0
CONFIG_ARCH_OPTIONAL_KERNEL_RWX=y
CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT=y
CONFIG_ARCH_QCOM=y
# CONFIG_ARCH_RDA is not set
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
@ -57,9 +55,6 @@ CONFIG_ARM_CPUIDLE=y
CONFIG_ARM_CPU_SUSPEND=y
# CONFIG_ARM_CPU_TOPOLOGY is not set
CONFIG_ARM_CRYPTO=y
# CONFIG_ARM_ERRATA_814220 is not set
# CONFIG_ARM_ERRATA_857271 is not set
# CONFIG_ARM_ERRATA_857272 is not set
CONFIG_ARM_GIC=y
CONFIG_ARM_HAS_SG_CHAIN=y
CONFIG_ARM_L1_CACHE_SHIFT=6
@ -81,6 +76,7 @@ CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_MQ_PCI=y
CONFIG_BOUNCE=y
# CONFIG_CACHE_L2X0 is not set
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLKSRC_QCOM=y
CONFIG_CLONE_BACKWARDS=y
@ -135,6 +131,7 @@ CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_AES_ARM=y
CONFIG_CRYPTO_AES_ARM_BS=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_CRYPTD=y
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_DES=y
@ -142,6 +139,7 @@ CONFIG_CRYPTO_DEV_QCE=y
# CONFIG_CRYPTO_DEV_QCE_ENABLE_ALL is not set
# CONFIG_CRYPTO_DEV_QCE_ENABLE_SHA is not set
CONFIG_CRYPTO_DEV_QCE_ENABLE_SKCIPHER=y
CONFIG_CRYPTO_DEV_QCE_SKCIPHER=y
CONFIG_CRYPTO_DEV_QCE_SW_MAX_LEN=512
CONFIG_CRYPTO_DEV_QCOM_RNG=y
CONFIG_CRYPTO_DRBG=y
@ -187,12 +185,10 @@ CONFIG_DYNAMIC_DEBUG=y
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
CONFIG_EEPROM_AT24=y
# CONFIG_ENERGY_MODEL is not set
CONFIG_ESSEDMA=y
CONFIG_EXTCON=y
CONFIG_FIXED_PHY=y
CONFIG_FIX_EARLYCON_MEM=y
# CONFIG_FSL_QDMA is not set
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_GENERIC_BUG=y
@ -318,10 +314,17 @@ CONFIG_MDIO_IPQ40XX=y
CONFIG_MEMFD_CREATE=y
# CONFIG_MFD_QCOM_RPM is not set
# CONFIG_MFD_SPMI_PMIC is not set
# CONFIG_MFD_STPMIC1 is not set
CONFIG_MFD_SYSCON=y
CONFIG_MIGHT_HAVE_CACHE_L2X0=y
CONFIG_MIGRATION=y
CONFIG_MMC=y
CONFIG_MMC_BLOCK=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_IO_ACCESSORS=y
CONFIG_MMC_SDHCI_MSM=y
# CONFIG_MMC_SDHCI_PCI is not set
CONFIG_MMC_SDHCI_PLTFM=y
# CONFIG_MMC_TIFM_SD is not set
CONFIG_MODULES_USE_ELF_REL=y
# CONFIG_MSM_GCC_8660 is not set
# CONFIG_MSM_GCC_8916 is not set
@ -362,7 +365,6 @@ CONFIG_NO_HZ_COMMON=y
CONFIG_NO_HZ_IDLE=y
CONFIG_NR_CPUS=4
CONFIG_NVMEM=y
# CONFIG_NVMEM_REBOOT_MODE is not set
CONFIG_NVMEM_SYSFS=y
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
@ -389,7 +391,6 @@ CONFIG_PCIE_QCOM=y
CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCI_DOMAINS_GENERIC=y
# CONFIG_PCI_MESON is not set
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
CONFIG_PERF_USE_VMALLOC=y
@ -465,11 +466,11 @@ CONFIG_REFCOUNT_FULL=y
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
CONFIG_REGMAP_MMIO=y
CONFIG_REGMAP_SPI=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
# CONFIG_REGULATOR_QCOM_SPMI is not set
CONFIG_REGULATOR_VCTRL=y
CONFIG_REGULATOR_VQMMC_IPQ4019=y
CONFIG_RESET_CONTROLLER=y
# CONFIG_RESET_QCOM_AOSS is not set
# CONFIG_RESET_QCOM_PDC is not set
@ -500,7 +501,6 @@ CONFIG_SPI_BITBANG=y
CONFIG_SPI_GPIO=y
CONFIG_SPI_MASTER=y
CONFIG_SPI_MEM=y
# CONFIG_SPI_QCOM_QSPI is not set
CONFIG_SPI_QUP=y
CONFIG_SPMI=y
CONFIG_SPMI_MSM_PMIC_ARB=y
@ -523,7 +523,6 @@ CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_TREE_RCU=y
CONFIG_TREE_SRCU=y
# CONFIG_TRUSTED_FOUNDATIONS is not set
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y

@ -0,0 +1,153 @@
From 97043d292365ae39d62b54a6d79dff98d048b501 Mon Sep 17 00:00:00 2001
From: Robert Marko <robert.marko@sartura.hr>
Date: Wed, 22 Jan 2020 12:44:14 +0100
Subject: [PATCH] From ebf652b408200504194be32ad0a3f5bb49d6000a Mon Sep 17
00:00:00 2001 From: Robert Marko <robert.marko@sartura.hr> Date: Sun, 12 Jan
2020 12:30:01 +0100 Subject: [PATCH] regulator: add IPQ4019 SDHCI VQMMC LDO
driver
This introduces the IPQ4019 VQMMC LDO driver needed for
the SD/EMMC driver I/O level operation.
This will enable introducing SD/EMMC support for the built-in controller.
Signed-off-by: Mantas Pucka <mantas@8devices.com>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20200112113003.11110-1-robert.marko@sartura.hr
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/Kconfig | 7 ++
drivers/regulator/Makefile | 1 +
drivers/regulator/vqmmc-ipq4019-regulator.c | 101 ++++++++++++++++++++
3 files changed, 109 insertions(+)
create mode 100644 drivers/regulator/vqmmc-ipq4019-regulator.c
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -981,6 +981,13 @@ config REGULATOR_VEXPRESS
This driver provides support for voltage regulators available
on the ARM Ltd's Versatile Express platform.
+config REGULATOR_VQMMC_IPQ4019
+ tristate "IPQ4019 VQMMC SD LDO regulator support"
+ depends on ARCH_QCOM
+ help
+ This driver provides support for the VQMMC LDO I/0
+ voltage regulator of the IPQ4019 SD/EMMC controller.
+
config REGULATOR_WM831X
tristate "Wolfson Microelectronics WM831x PMIC regulators"
depends on MFD_WM831X
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -122,6 +122,7 @@ obj-$(CONFIG_REGULATOR_TWL4030) += twl-r
obj-$(CONFIG_REGULATOR_UNIPHIER) += uniphier-regulator.o
obj-$(CONFIG_REGULATOR_VCTRL) += vctrl-regulator.o
obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o
+obj-$(CONFIG_REGULATOR_VQMMC_IPQ4019) += vqmmc-ipq4019-regulator.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
--- /dev/null
+++ b/drivers/regulator/vqmmc-ipq4019-regulator.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright (c) 2019 Mantas Pucka <mantas@8devices.com>
+// Copyright (c) 2019 Robert Marko <robert.marko@sartura.hr>
+//
+// Driver for IPQ4019 SD/MMC controller's I/O LDO voltage regulator
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+
+static const unsigned int ipq4019_vmmc_voltages[] = {
+ 1500000, 1800000, 2500000, 3000000,
+};
+
+static const struct regulator_ops ipq4019_regulator_voltage_ops = {
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+};
+
+static const struct regulator_desc vmmc_regulator = {
+ .name = "vmmcq",
+ .ops = &ipq4019_regulator_voltage_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ .volt_table = ipq4019_vmmc_voltages,
+ .n_voltages = ARRAY_SIZE(ipq4019_vmmc_voltages),
+ .vsel_reg = 0,
+ .vsel_mask = 0x3,
+};
+
+static const struct regmap_config ipq4019_vmmcq_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+};
+
+static int ipq4019_regulator_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct regulator_init_data *init_data;
+ struct regulator_config cfg = {};
+ struct regulator_dev *rdev;
+ struct resource *res;
+ struct regmap *rmap;
+ void __iomem *base;
+
+ init_data = of_get_regulator_init_data(dev, dev->of_node,
+ &vmmc_regulator);
+ if (!init_data)
+ return -EINVAL;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ rmap = devm_regmap_init_mmio(dev, base, &ipq4019_vmmcq_regmap_config);
+ if (IS_ERR(rmap))
+ return PTR_ERR(rmap);
+
+ cfg.dev = dev;
+ cfg.init_data = init_data;
+ cfg.of_node = dev->of_node;
+ cfg.regmap = rmap;
+
+ rdev = devm_regulator_register(dev, &vmmc_regulator, &cfg);
+ if (IS_ERR(rdev)) {
+ dev_err(dev, "Failed to register regulator: %ld\n",
+ PTR_ERR(rdev));
+ return PTR_ERR(rdev);
+ }
+ platform_set_drvdata(pdev, rdev);
+
+ return 0;
+}
+
+static const struct of_device_id regulator_ipq4019_of_match[] = {
+ { .compatible = "qcom,vqmmc-ipq4019-regulator", },
+ {},
+};
+
+static struct platform_driver ipq4019_regulator_driver = {
+ .probe = ipq4019_regulator_probe,
+ .driver = {
+ .name = "vqmmc-ipq4019-regulator",
+ .of_match_table = of_match_ptr(regulator_ipq4019_of_match),
+ },
+};
+module_platform_driver(ipq4019_regulator_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mantas Pucka <mantas@8devices.com>");
+MODULE_DESCRIPTION("IPQ4019 VQMMC voltage regulator");

@ -0,0 +1,36 @@
From 04b3b72b5b8fdb883bfdc619cb29b03641b1cc6a Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Thu, 15 Aug 2019 19:28:23 +0200
Subject: [PATCH] ARM: dts: qcom: ipq4019: Add SDHCI controller node
IPQ4019 has a built in SD/eMMC controller which is supported by the
SDHCI MSM driver, by the "qcom,sdhci-msm-v4" binding.
So lets add the appropriate node for it.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -214,6 +214,18 @@
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
};
+ sdhci: sdhci@7824900 {
+ compatible = "qcom,sdhci-msm-v4";
+ reg = <0x7824900 0x11c>, <0x7824000 0x800>;
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "hc_irq", "pwr_irq";
+ bus-width = <8>;
+ clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>,
+ <&gcc GCC_DCD_XO_CLK>;
+ clock-names = "core", "iface", "xo";
+ status = "disabled";
+ };
+
blsp_dma: dma@7884000 {
compatible = "qcom,bam-v1.7.0";
reg = <0x07884000 0x23000>;

@ -0,0 +1,32 @@
From 77d9b11ae7269dcf376c3b9493209f712524e986 Mon Sep 17 00:00:00 2001
From: Robert Marko <robert.marko@sartura.hr>
Date: Wed, 22 Jan 2020 12:56:35 +0100
Subject: [PATCH] arm: dts: IPQ4019: add SDHCI VQMMC LDO node
Since we now have driver for the SDHCI VQMMC LDO needed
for I/0 voltage levels lets introduce the necessary node for it.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -214,6 +214,16 @@
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
};
+ vqmmc: regulator@1948000 {
+ compatible = "qcom,vqmmc-ipq4019-regulator";
+ reg = <0x01948000 0x4>;
+ regulator-name = "vqmmc";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+ status = "disabled";
+ };
+
sdhci: sdhci@7824900 {
compatible = "qcom,sdhci-msm-v4";
reg = <0x7824900 0x11c>, <0x7824000 0x800>;

@ -0,0 +1,25 @@
From 0e28623a11f3916c1fe5b7e789c7ab8ca932a929 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Wed, 22 Jan 2020 13:02:13 +0100
Subject: [PATCH] mmc: sdhci: sdhci-msm: use sdhci_set_clock instead of
sdhci_msm_set_clock
When using sdhci_msm_set_clock clock setting will fail, so lets
use the generic sdhci_set_clock.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
drivers/mmc/host/sdhci-msm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -1688,7 +1688,7 @@ MODULE_DEVICE_TABLE(of, sdhci_msm_dt_mat
static const struct sdhci_ops sdhci_msm_ops = {
.reset = sdhci_reset,
- .set_clock = sdhci_msm_set_clock,
+ .set_clock = sdhci_set_clock,
.get_min_clock = sdhci_msm_get_min_clock,
.get_max_clock = sdhci_msm_get_max_clock,
.set_bus_width = sdhci_set_bus_width,

@ -15,7 +15,7 @@ so the info might change.
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -571,6 +571,34 @@
@@ -593,6 +593,34 @@
status = "disabled";
};

@ -14,7 +14,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -599,6 +599,29 @@
@@ -621,6 +621,29 @@
};
};

@ -25,7 +25,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
};
cpus {
@@ -622,6 +624,64 @@
@@ -644,6 +646,64 @@
status = "disabled";
};

@ -0,0 +1,153 @@
From 97043d292365ae39d62b54a6d79dff98d048b501 Mon Sep 17 00:00:00 2001
From: Robert Marko <robert.marko@sartura.hr>
Date: Wed, 22 Jan 2020 12:44:14 +0100
Subject: [PATCH] From ebf652b408200504194be32ad0a3f5bb49d6000a Mon Sep 17
00:00:00 2001 From: Robert Marko <robert.marko@sartura.hr> Date: Sun, 12 Jan
2020 12:30:01 +0100 Subject: [PATCH] regulator: add IPQ4019 SDHCI VQMMC LDO
driver
This introduces the IPQ4019 VQMMC LDO driver needed for
the SD/EMMC driver I/O level operation.
This will enable introducing SD/EMMC support for the built-in controller.
Signed-off-by: Mantas Pucka <mantas@8devices.com>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://lore.kernel.org/r/20200112113003.11110-1-robert.marko@sartura.hr
Signed-off-by: Mark Brown <broonie@kernel.org>
---
drivers/regulator/Kconfig | 7 ++
drivers/regulator/Makefile | 1 +
drivers/regulator/vqmmc-ipq4019-regulator.c | 101 ++++++++++++++++++++
3 files changed, 109 insertions(+)
create mode 100644 drivers/regulator/vqmmc-ipq4019-regulator.c
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -1077,6 +1077,13 @@ config REGULATOR_VEXPRESS
This driver provides support for voltage regulators available
on the ARM Ltd's Versatile Express platform.
+config REGULATOR_VQMMC_IPQ4019
+ tristate "IPQ4019 VQMMC SD LDO regulator support"
+ depends on ARCH_QCOM
+ help
+ This driver provides support for the VQMMC LDO I/0
+ voltage regulator of the IPQ4019 SD/EMMC controller.
+
config REGULATOR_WM831X
tristate "Wolfson Microelectronics WM831x PMIC regulators"
depends on MFD_WM831X
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -132,6 +132,7 @@ obj-$(CONFIG_REGULATOR_TWL4030) += twl-r
obj-$(CONFIG_REGULATOR_UNIPHIER) += uniphier-regulator.o
obj-$(CONFIG_REGULATOR_VCTRL) += vctrl-regulator.o
obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o
+obj-$(CONFIG_REGULATOR_VQMMC_IPQ4019) += vqmmc-ipq4019-regulator.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
--- /dev/null
+++ b/drivers/regulator/vqmmc-ipq4019-regulator.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0+
+//
+// Copyright (c) 2019 Mantas Pucka <mantas@8devices.com>
+// Copyright (c) 2019 Robert Marko <robert.marko@sartura.hr>
+//
+// Driver for IPQ4019 SD/MMC controller's I/O LDO voltage regulator
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+
+static const unsigned int ipq4019_vmmc_voltages[] = {
+ 1500000, 1800000, 2500000, 3000000,
+};
+
+static const struct regulator_ops ipq4019_regulator_voltage_ops = {
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+};
+
+static const struct regulator_desc vmmc_regulator = {
+ .name = "vmmcq",
+ .ops = &ipq4019_regulator_voltage_ops,
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ .volt_table = ipq4019_vmmc_voltages,
+ .n_voltages = ARRAY_SIZE(ipq4019_vmmc_voltages),
+ .vsel_reg = 0,
+ .vsel_mask = 0x3,
+};
+
+static const struct regmap_config ipq4019_vmmcq_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+};
+
+static int ipq4019_regulator_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct regulator_init_data *init_data;
+ struct regulator_config cfg = {};
+ struct regulator_dev *rdev;
+ struct resource *res;
+ struct regmap *rmap;
+ void __iomem *base;
+
+ init_data = of_get_regulator_init_data(dev, dev->of_node,
+ &vmmc_regulator);
+ if (!init_data)
+ return -EINVAL;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ rmap = devm_regmap_init_mmio(dev, base, &ipq4019_vmmcq_regmap_config);
+ if (IS_ERR(rmap))
+ return PTR_ERR(rmap);
+
+ cfg.dev = dev;
+ cfg.init_data = init_data;
+ cfg.of_node = dev->of_node;
+ cfg.regmap = rmap;
+
+ rdev = devm_regulator_register(dev, &vmmc_regulator, &cfg);
+ if (IS_ERR(rdev)) {
+ dev_err(dev, "Failed to register regulator: %ld\n",
+ PTR_ERR(rdev));
+ return PTR_ERR(rdev);
+ }
+ platform_set_drvdata(pdev, rdev);
+
+ return 0;
+}
+
+static const struct of_device_id regulator_ipq4019_of_match[] = {
+ { .compatible = "qcom,vqmmc-ipq4019-regulator", },
+ {},
+};
+
+static struct platform_driver ipq4019_regulator_driver = {
+ .probe = ipq4019_regulator_probe,
+ .driver = {
+ .name = "vqmmc-ipq4019-regulator",
+ .of_match_table = of_match_ptr(regulator_ipq4019_of_match),
+ },
+};
+module_platform_driver(ipq4019_regulator_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mantas Pucka <mantas@8devices.com>");
+MODULE_DESCRIPTION("IPQ4019 VQMMC voltage regulator");

@ -0,0 +1,36 @@
From 04b3b72b5b8fdb883bfdc619cb29b03641b1cc6a Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Thu, 15 Aug 2019 19:28:23 +0200
Subject: [PATCH] ARM: dts: qcom: ipq4019: Add SDHCI controller node
IPQ4019 has a built in SD/eMMC controller which is supported by the
SDHCI MSM driver, by the "qcom,sdhci-msm-v4" binding.
So lets add the appropriate node for it.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -209,6 +209,18 @@
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
};
+ sdhci: sdhci@7824900 {
+ compatible = "qcom,sdhci-msm-v4";
+ reg = <0x7824900 0x11c>, <0x7824000 0x800>;
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "hc_irq", "pwr_irq";
+ bus-width = <8>;
+ clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>,
+ <&gcc GCC_DCD_XO_CLK>;
+ clock-names = "core", "iface", "xo";
+ status = "disabled";
+ };
+
blsp_dma: dma@7884000 {
compatible = "qcom,bam-v1.7.0";
reg = <0x07884000 0x23000>;

@ -0,0 +1,32 @@
From 77d9b11ae7269dcf376c3b9493209f712524e986 Mon Sep 17 00:00:00 2001
From: Robert Marko <robert.marko@sartura.hr>
Date: Wed, 22 Jan 2020 12:56:35 +0100
Subject: [PATCH] arm: dts: IPQ4019: add SDHCI VQMMC LDO node
Since we now have driver for the SDHCI VQMMC LDO needed
for I/0 voltage levels lets introduce the necessary node for it.
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
---
arch/arm/boot/dts/qcom-ipq4019.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -209,6 +209,16 @@
interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
};
+ vqmmc: regulator@1948000 {
+ compatible = "qcom,vqmmc-ipq4019-regulator";
+ reg = <0x01948000 0x4>;
+ regulator-name = "vqmmc";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+ status = "disabled";
+ };
+
sdhci: sdhci@7824900 {
compatible = "qcom,sdhci-msm-v4";
reg = <0x7824900 0x11c>, <0x7824000 0x800>;

@ -0,0 +1,25 @@
From 0e28623a11f3916c1fe5b7e789c7ab8ca932a929 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Wed, 22 Jan 2020 13:02:13 +0100
Subject: [PATCH] mmc: sdhci: sdhci-msm: use sdhci_set_clock instead of
sdhci_msm_set_clock
When using sdhci_msm_set_clock clock setting will fail, so lets
use the generic sdhci_set_clock.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
drivers/mmc/host/sdhci-msm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -1724,7 +1724,7 @@ MODULE_DEVICE_TABLE(of, sdhci_msm_dt_mat
static const struct sdhci_ops sdhci_msm_ops = {
.reset = sdhci_reset,
- .set_clock = sdhci_msm_set_clock,
+ .set_clock = sdhci_set_clock,
.get_min_clock = sdhci_msm_get_min_clock,
.get_max_clock = sdhci_msm_get_max_clock,
.set_bus_width = sdhci_set_bus_width,

@ -15,7 +15,7 @@ so the info might change.
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -566,6 +566,34 @@
@@ -588,6 +588,34 @@
status = "disabled";
};

@ -14,7 +14,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -594,6 +594,29 @@
@@ -616,6 +616,29 @@
};
};

@ -25,7 +25,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
};
cpus {
@@ -617,6 +619,64 @@
@@ -639,6 +641,64 @@
status = "disabled";
};

@ -13,7 +13,7 @@ Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -677,6 +677,53 @@
@@ -699,6 +699,53 @@
};
};

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