diff options
| -rw-r--r-- | arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 45 | ||||
| -rw-r--r-- | drivers/misc/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/misc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/misc/dummy.c | 102 |
4 files changed, 154 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index 849728e5cb22..5d981123b0ca 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -229,6 +229,21 @@ regulator-always-on; vin-supply = <&vph_pwr>; }; + + dummy { + compatible = "qcom-dummy"; + vddaon-supply = <&vreg_s6a_0p95>; + vddpmu-supply = <&vreg_s2f_0p95>; + vddrfa1-supply = <&vreg_s2f_0p95>; + vddrfa2-supply = <&vreg_s8c_1p3>; + vddrfa3-supply = <&vreg_s5a_1p9>; + vddpcie1-supply = <&vreg_s8c_1p3>; + vddpcie2-supply = <&vreg_s5a_1p9>; + vddio-supply = <&vreg_s4a_1p8>; + pinctrl-names = "wlan_en_active", "bt_en_active"; + pinctrl-0 = <&wlan_default_state>; + pinctrl-1 = <&bt_default_state>; + }; }; &apps_rsc { @@ -242,6 +257,13 @@ vdd-l5-l6-supply = <&vreg_bob>; vdd-l7-supply = <&vreg_s4a_1p8>; + vreg_s2f_0p95: smps2 { + regulator-name = "vreg_s2f_0p95"; + regulator-min-microvolt = <512000>; + regulator-max-microvolt = <1100000>; + regulator-initial-mode = <RPMH_REGULATOR_MODE_AUTO>; + }; + vreg_l1f_cam_dvdd1_1p1: ldo1 { regulator-name = "vreg_l1f_cam_dvdd1_1p1"; regulator-min-microvolt = <1104000>; @@ -1171,6 +1193,29 @@ bias-pull-up; }; }; + + wlan_default_state: wlan-default-state { + wlan-en { + pins = "gpio20"; + function = "gpio"; + + drive-strength = <16>; + output-high; + bias-pull-up; + }; + }; + + bt_default_state: bt-default-state { + bt-en { + pins = "gpio21"; + function = "gpio"; + + drive-strength = <2>; + output-low; + bias-pull-down; + }; + }; + }; &uart12 { diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index e1b1ba5e2b92..42d958b04439 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -263,6 +263,12 @@ config QCOM_FASTRPC applications DSP processor. Say M if you want to enable this module. +config QCOM_DUMMY + tristate "Qualcomm dummy" + depends on ARCH_QCOM || COMPILE_TEST + help + module. + config SGI_GRU tristate "SGI GRU driver" depends on X86_UV && SMP diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index c7bd01ac6291..feeb205fa332 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -57,3 +57,4 @@ obj-$(CONFIG_PVPANIC) += pvpanic.o obj-$(CONFIG_HABANA_AI) += habanalabs/ obj-$(CONFIG_UACCE) += uacce/ obj-$(CONFIG_XILINX_SDFEC) += xilinx_sdfec.o +obj-$(CONFIG_QCOM_DUMMY) += dummy.o diff --git a/drivers/misc/dummy.c b/drivers/misc/dummy.c new file mode 100644 index 000000000000..b5d4db5f6fdb --- /dev/null +++ b/drivers/misc/dummy.c @@ -0,0 +1,102 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/of_gpio.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/regulator/consumer.h> + +struct vreg { + const char *name; + int minvolt; + int maxvolt; +} vregs [8] = { + { "vddio", 1800000, 1800000 }, + { "vddaon", 950000, 950000 }, + { "vddpmu", 950000, 950000 }, + { "vddrfa1", 950000, 950000 }, + { "vddrfa2", 1380000, 1380000 }, + { "vddrfa3", 2000000, 2000000 }, + { "vddpcie1", 1350000, 1350000 }, + { "vddpcie2", 2000000, 2000000 }, +}; + +static int dummy_probe(struct platform_device *pdev) +{ + struct regulator_bulk_data regulators[8]; + struct device *dev = &pdev->dev; + int i, ret; + struct pinctrl *pinctrl; + struct pinctrl_state *wlan_en_active; + struct pinctrl_state *bt_en_active; + + for (i = 0; i < ARRAY_SIZE(regulators); i++) + regulators[i].supply = vregs[i].name; + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(regulators), regulators); + if (ret < 0) + return ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(regulators), regulators); + if (ret) + return ret; + + pinctrl = devm_pinctrl_get(dev); + if (IS_ERR_OR_NULL(pinctrl)) { + ret = PTR_ERR(pinctrl); + pr_err("Failed to get pinctrl, err = %d\n", ret); + return ret; + } + + wlan_en_active = pinctrl_lookup_state(pinctrl, "wlan_en_active"); + if (IS_ERR_OR_NULL(wlan_en_active)) { + ret = PTR_ERR(wlan_en_active); + pr_err("Failed to get wlan_en_active, err = %d\n", ret); + return ret; + } + + bt_en_active = pinctrl_lookup_state(pinctrl, "bt_en_active"); + if (IS_ERR_OR_NULL(bt_en_active)) { + ret = PTR_ERR(bt_en_active); + pr_err("Failed to get bt_en_active, err = %d\n", ret); + return ret; + } + + ret = pinctrl_select_state(pinctrl, wlan_en_active); + if (ret) { + pr_err("Failed to select wlan pinctrl state"); + return ret; + } + udelay(1000); + + ret = pinctrl_select_state(pinctrl, bt_en_active); + if (ret) { + pr_err("Failed to select bt pinctrl state"); + return ret; + } + udelay(1000); + + return 0; +} + +static int dummy_remove(struct platform_device *pdev) +{ + return 0; +} + +static const struct of_device_id dummy_of_match[] = { + { .compatible = "qcom,dummy" }, +}; + +static struct platform_driver dummy_driver = { + .probe = dummy_probe, + .remove = dummy_remove, + .driver = { + .name = "dummy", + .of_match_table = dummy_of_match, + }, +}; + +module_platform_driver(dummy_driver); +MODULE_LICENSE("GPL v2"); |