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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-07 08:35:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-07 08:35:35 -0700
commitd042380886fb2fc6c4b0fcfe1214ba473769a8e9 (patch)
tree61e29ff167e0f83f67930ee9911062415030e1ef /drivers/mfd/qcom_rpm.c
parent3477d168ba61c5b0ca42d3d4642f3463609a5417 (diff)
parentb8d336ed90f541097a2ce583be430bb3e895dfbd (diff)
downloadlinux-d042380886fb2fc6c4b0fcfe1214ba473769a8e9.tar.bz2
Merge tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones: "Core framework: - Add the MFD bindings doc to MAINTAINERS New drivers: - X-Powers AC100 Audio CODEC and RTC - TI LP873x PMIC - Rockchip RK808 PMIC - Samsung Exynos Low Power Audio New device support: - Add support for STMPE1600 variant to stmpe - Add support for PM8018 PMIC to pm8921-core - Add support for AXP806 PMIC in axp20x - Add support for AXP209 GPIO in axp20x New functionality: - Add support for Reset to all STMPE variants - Add support for MKBP event support to cros_ec - Add support for USB to intel_soc_pmic_bxtwc - Add support for IRQs and Power Button to tps65217 Fix-ups: - Clean-up defunct author emails (da9063, max14577) - Kconfig fixups (wm8350-i2c, as37220 - Constify (altera-a10sr, sm501) - Supply PCI IDs (intel-lpss-pci) - Improve clocking (qcom_rpm) - Fix IRQ probing (ucb1x00-core) - Ensure fault log is cleared (da9052) - Remove NO_IRQ check (ucb1x00-core) - Supply I2C properties (intel-lpss-acpi, intel-lpss-pci) - Non standard declaration (tps65217, max8997-irq) - Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs, cros_ec_spi) - Make non-modular (altera-a10sr, intel_msic, smsc-ece1099, sun6i-prcm, twl-core) - OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x, lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona) Bugfixes: - Release OF pointer (qcom_rpm) - Avoid double shifting in suspend/resume (88pm80x) - Fix 'defined but not used' error (exynos-lpass) - Fix 'sleeping whilst attomic' (atmel-hlcdc)" * tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits) mfd: arizona: Handle probe deferral for reset GPIO mfd: arizona: Remove arizona_of_get_named_gpio helper function mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config mfd: twl6040: Register child device for twl6040-pdmclk mfd: cros_ec_spi: Remove unused variable 'request' mfd: omap-usb-host: Return value is not 'const int' mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine() mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem() mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls mfd: ab8500-debugfs: Prevent initialised field from being over-written mfd: max8997-irq: 'inline' should be at the beginning of the declaration mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer mfd: tps65217: Fix nonstandard declaration mfd: lp873x: Remove unused mutex lock from struct lp873x mfd: atmel-hlcdc: Do not sleep in atomic context mfd: exynos-lpass: Mark PM functions as __maybe_unused mfd: intel-lpss: Add default I2C device properties for Apollo Lake mfd: twl-core: Make it explicitly non-modular mfd: sun6i-prcm: Make it explicitly non-modular mfd: smsc-ece1099: Make it explicitly non-modular ...
Diffstat (limited to 'drivers/mfd/qcom_rpm.c')
-rw-r--r--drivers/mfd/qcom_rpm.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c
index 2e44323455dd..52fafea06067 100644
--- a/drivers/mfd/qcom_rpm.c
+++ b/drivers/mfd/qcom_rpm.c
@@ -21,6 +21,7 @@
#include <linux/mfd/qcom_rpm.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
+#include <linux/clk.h>
#include <dt-bindings/mfd/qcom-rpm.h>
@@ -48,6 +49,7 @@ struct qcom_rpm {
struct regmap *ipc_regmap;
unsigned ipc_offset;
unsigned ipc_bit;
+ struct clk *ramclk;
struct completion ack;
struct mutex lock;
@@ -388,11 +390,62 @@ static const struct qcom_rpm_data ipq806x_template = {
.ack_sel_size = 7,
};
+static const struct qcom_rpm_resource mdm9615_rpm_resource_table[] = {
+ [QCOM_RPM_CXO_CLK] = { 25, 9, 5, 1 },
+ [QCOM_RPM_SYS_FABRIC_CLK] = { 26, 10, 9, 1 },
+ [QCOM_RPM_DAYTONA_FABRIC_CLK] = { 27, 11, 11, 1 },
+ [QCOM_RPM_SFPB_CLK] = { 28, 12, 12, 1 },
+ [QCOM_RPM_CFPB_CLK] = { 29, 13, 13, 1 },
+ [QCOM_RPM_EBI1_CLK] = { 30, 14, 16, 1 },
+ [QCOM_RPM_APPS_FABRIC_HALT] = { 31, 15, 22, 2 },
+ [QCOM_RPM_APPS_FABRIC_MODE] = { 33, 16, 23, 3 },
+ [QCOM_RPM_APPS_FABRIC_IOCTL] = { 36, 17, 24, 1 },
+ [QCOM_RPM_APPS_FABRIC_ARB] = { 37, 18, 25, 27 },
+ [QCOM_RPM_PM8018_SMPS1] = { 64, 19, 30, 2 },
+ [QCOM_RPM_PM8018_SMPS2] = { 66, 21, 31, 2 },
+ [QCOM_RPM_PM8018_SMPS3] = { 68, 23, 32, 2 },
+ [QCOM_RPM_PM8018_SMPS4] = { 70, 25, 33, 2 },
+ [QCOM_RPM_PM8018_SMPS5] = { 72, 27, 34, 2 },
+ [QCOM_RPM_PM8018_LDO1] = { 74, 29, 35, 2 },
+ [QCOM_RPM_PM8018_LDO2] = { 76, 31, 36, 2 },
+ [QCOM_RPM_PM8018_LDO3] = { 78, 33, 37, 2 },
+ [QCOM_RPM_PM8018_LDO4] = { 80, 35, 38, 2 },
+ [QCOM_RPM_PM8018_LDO5] = { 82, 37, 39, 2 },
+ [QCOM_RPM_PM8018_LDO6] = { 84, 39, 40, 2 },
+ [QCOM_RPM_PM8018_LDO7] = { 86, 41, 41, 2 },
+ [QCOM_RPM_PM8018_LDO8] = { 88, 43, 42, 2 },
+ [QCOM_RPM_PM8018_LDO9] = { 90, 45, 43, 2 },
+ [QCOM_RPM_PM8018_LDO10] = { 92, 47, 44, 2 },
+ [QCOM_RPM_PM8018_LDO11] = { 94, 49, 45, 2 },
+ [QCOM_RPM_PM8018_LDO12] = { 96, 51, 46, 2 },
+ [QCOM_RPM_PM8018_LDO13] = { 98, 53, 47, 2 },
+ [QCOM_RPM_PM8018_LDO14] = { 100, 55, 48, 2 },
+ [QCOM_RPM_PM8018_LVS1] = { 102, 57, 49, 1 },
+ [QCOM_RPM_PM8018_NCP] = { 103, 58, 80, 2 },
+ [QCOM_RPM_CXO_BUFFERS] = { 105, 60, 81, 1 },
+ [QCOM_RPM_USB_OTG_SWITCH] = { 106, 61, 82, 1 },
+ [QCOM_RPM_HDMI_SWITCH] = { 107, 62, 83, 1 },
+ [QCOM_RPM_VOLTAGE_CORNER] = { 109, 64, 87, 1 },
+};
+
+static const struct qcom_rpm_data mdm9615_template = {
+ .version = 3,
+ .resource_table = mdm9615_rpm_resource_table,
+ .n_resources = ARRAY_SIZE(mdm9615_rpm_resource_table),
+ .req_ctx_off = 3,
+ .req_sel_off = 11,
+ .ack_ctx_off = 15,
+ .ack_sel_off = 23,
+ .req_sel_size = 4,
+ .ack_sel_size = 7,
+};
+
static const struct of_device_id qcom_rpm_of_match[] = {
{ .compatible = "qcom,rpm-apq8064", .data = &apq8064_template },
{ .compatible = "qcom,rpm-msm8660", .data = &msm8660_template },
{ .compatible = "qcom,rpm-msm8960", .data = &msm8960_template },
{ .compatible = "qcom,rpm-ipq8064", .data = &ipq806x_template },
+ { .compatible = "qcom,rpm-mdm9615", .data = &mdm9615_template },
{ }
};
MODULE_DEVICE_TABLE(of, qcom_rpm_of_match);
@@ -501,6 +554,20 @@ static int qcom_rpm_probe(struct platform_device *pdev)
mutex_init(&rpm->lock);
init_completion(&rpm->ack);
+ /* Enable message RAM clock */
+ rpm->ramclk = devm_clk_get(&pdev->dev, "ram");
+ if (IS_ERR(rpm->ramclk)) {
+ ret = PTR_ERR(rpm->ramclk);
+ if (ret == -EPROBE_DEFER)
+ return ret;
+ /*
+ * Fall through in all other cases, as the clock is
+ * optional. (Does not exist on all platforms.)
+ */
+ rpm->ramclk = NULL;
+ }
+ clk_prepare_enable(rpm->ramclk); /* Accepts NULL */
+
irq_ack = platform_get_irq_byname(pdev, "ack");
if (irq_ack < 0) {
dev_err(&pdev->dev, "required ack interrupt missing\n");
@@ -538,6 +605,7 @@ static int qcom_rpm_probe(struct platform_device *pdev)
}
rpm->ipc_regmap = syscon_node_to_regmap(syscon_np);
+ of_node_put(syscon_np);
if (IS_ERR(rpm->ipc_regmap))
return PTR_ERR(rpm->ipc_regmap);
@@ -620,7 +688,11 @@ static int qcom_rpm_probe(struct platform_device *pdev)
static int qcom_rpm_remove(struct platform_device *pdev)
{
+ struct qcom_rpm *rpm = dev_get_drvdata(&pdev->dev);
+
of_platform_depopulate(&pdev->dev);
+ clk_disable_unprepare(rpm->ramclk);
+
return 0;
}