[U-Boot] [PATCH v1 04/05] db820c: enable pmic gpios for pm8994

Jorge Ramirez-Ortiz
2018-01-10T10:33:51Z

From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
---
arch/arm/dts/dragonboard820c.dts | 43 +++++++++++++++++++++++++++++++++++++++
configs/dragonboard820c_defconfig | 7 +++++++
drivers/gpio/pm8916_gpio.c | 7 +++++--
3 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/dragonboard820c.dts b/arch/arm/dts/dragonboard820c.dts
index bad5a1e..3086d60 100644
--- a/arch/arm/dts/dragonboard820c.dts
+++ b/arch/arm/dts/dragonboard820c.dts
@@ -61,5 +61,48 @@
clock = <&gcc 0>;
clock-frequency = <200000000>;
};
+
+ spmi at 400f000 {
+ compatible = "qcom,spmi-pmic-arb";
+ reg = <0x400f800 0x200>,
+ <0x4400000 0x400000>,
+ <0x4c00000 0x400000>;
+ #address-cells = <0x1>;
+ #size-cells = <0x1>;
+
+ pmic0: pm8994 at 0 {
+ compatible = "qcom,spmi-pmic";
+ reg = <0x0 0x1>;
+ #address-cells = <0x1>;
+ #size-cells = <0x1>;
+
+ pm8994_pon: pm8994_pon at 800 {
+ compatible = "qcom,pm8994-pwrkey";
+ reg = <0x800 0x96>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ gpio-bank-name="pm8994_key.";
+ };
+
+ pm8994_gpios: pm8994_gpios at c000 {
+ compatible = "qcom,pm8994-gpio";
+ reg = <0xc000 0x400>;
+ gpio-controller;
+ gpio-count = <24>;
+ #gpio-cells = <2>;
+ gpio-bank-name="pm8994.";
+ };
+ };
+
+ pmic1: pm8994 at 1 {
+ compatible = "qcom,spmi-pmic";
+ reg = <0x1 0x1>;
+ #address-cells = <0x1>;
+ #size-cells = <0x1>;
+ };
+ };
};
+
};
+
+#include "dragonboard820c-uboot.dtsi"
diff --git a/configs/dragonboard820c_defconfig b/configs/dragonboard820c_defconfig
index 788ff28..5e25e2e 100644
--- a/configs/dragonboard820c_defconfig
+++ b/configs/dragonboard820c_defconfig
@@ -23,11 +23,18 @@ CONFIG_CMD_TIMER=y
CONFIG_CMD_EXT4=y
CONFIG_CMD_GPT=y
CONFIG_CMD_MMC=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_PMIC=y
CONFIG_OF_CONTROL=y
CONFIG_MSM_SERIAL=y
+CONFIG_SPMI_MSM=y
CONFIG_MMC_SDHCI_MSM=y
CONFIG_MMC_SDHCI=y
CONFIG_DM_MMC=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_PM8916=y
+CONFIG_PM8916_GPIO=y
CONFIG_CLK=y
CONFIG_PSCI_RESET=y
CONFIG_ENV_IS_IN_EXT4=y
diff --git a/drivers/gpio/pm8916_gpio.c b/drivers/gpio/pm8916_gpio.c
index 9ec2a24..056b982 100644
--- a/drivers/gpio/pm8916_gpio.c
+++ b/drivers/gpio/pm8916_gpio.c
@@ -29,7 +29,7 @@ DECLARE_GLOBAL_DATA_PTR;
#define REG_STATUS_VAL_MASK 0x1

/* MODE_CTL */
-#define REG_CTL 0x40
+#define REG_CTL 0x40
#define REG_CTL_MODE_MASK 0x70
#define REG_CTL_MODE_INPUT 0x00
#define REG_CTL_MODE_INOUT 0x20
@@ -183,7 +183,7 @@ static int pm8916_gpio_probe(struct udevice *dev)
return -ENODEV;

reg = pmic_reg_read(dev->parent, priv->pid + REG_SUBTYPE);
- if (reg != 0x5)
+ if (reg != 0x5 && reg != 0x1)
return -ENODEV;

return 0;
@@ -203,6 +203,7 @@ static int pm8916_gpio_ofdata_to_platdata(struct udevice *dev)

static const struct udevice_id pm8916_gpio_ids[] = {
{ .compatible = "qcom,pm8916-gpio" },
+ { .compatible = "qcom,pm8994-gpio" }, /* 22 GPIO's */
{ }
};

@@ -278,6 +279,7 @@ static int pm8941_pwrkey_ofdata_to_platdata(struct udevice *dev)
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);

uc_priv->gpio_count = 2;
+ uc_priv->bank_name = dev_read_string(dev, "gpio-bank-name");
if (uc_priv->bank_name == NULL)
uc_priv->bank_name = "pm8916_key";

@@ -286,6 +288,7 @@ static int pm8941_pwrkey_ofdata_to_platdata(struct udevice *dev)

static const struct udevice_id pm8941_pwrkey_ids[] = {
{ .compatible = "qcom,pm8916-pwrkey" },
+ { .compatible = "qcom,pm8994-pwrkey" },
{ }
};

--
2.7.4