diff options
| -rw-r--r-- | Documentation/devicetree/bindings/platform/msm/qpnp-revid.txt | 4 | ||||
| -rw-r--r-- | drivers/platform/msm/qpnp-revid.c | 9 | ||||
| -rw-r--r-- | include/linux/qpnp/qpnp-revid.h | 1 |
3 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/platform/msm/qpnp-revid.txt b/Documentation/devicetree/bindings/platform/msm/qpnp-revid.txt index 93312df2a43b..babc4523a29a 100644 --- a/Documentation/devicetree/bindings/platform/msm/qpnp-revid.txt +++ b/Documentation/devicetree/bindings/platform/msm/qpnp-revid.txt @@ -6,6 +6,10 @@ Required properties: - compatible : should be "qcom,qpnp-revid" - reg : offset and length of the PMIC peripheral register map. +Optional property: +- qcom,fab-id-valid: Use this property when support to read Fab + identification from REV ID peripheral is available. + Example: qcom,revid@100 { compatible = "qcom,qpnp-revid"; diff --git a/drivers/platform/msm/qpnp-revid.c b/drivers/platform/msm/qpnp-revid.c index 0bbda4eb4116..78e685f789cd 100644 --- a/drivers/platform/msm/qpnp-revid.c +++ b/drivers/platform/msm/qpnp-revid.c @@ -27,6 +27,7 @@ #define REVID_SUBTYPE 0x5 #define REVID_STATUS1 0x8 #define REVID_SPARE_0 0x60 +#define REVID_FAB_ID 0xf2 #define QPNP_REVID_DEV_NAME "qcom,qpnp-revid" @@ -154,7 +155,7 @@ static size_t build_pmic_string(char *buf, size_t n, int sid, static int qpnp_revid_probe(struct platform_device *pdev) { u8 rev1, rev2, rev3, rev4, pmic_type, pmic_subtype, pmic_status; - u8 option1, option2, option3, option4, spare0; + u8 option1, option2, option3, option4, spare0, fab_id; unsigned int base; int rc; char pmic_string[PMIC_STRING_MAXLENGTH] = {'\0'}; @@ -199,6 +200,11 @@ static int qpnp_revid_probe(struct platform_device *pdev) pmic_subtype = PMI8937_PERIPHERAL_SUBTYPE; } + if (of_property_read_bool(pdev->dev.of_node, "qcom,fab-id-valid")) + fab_id = qpnp_read_byte(regmap, base + REVID_FAB_ID); + else + fab_id = -EINVAL; + revid_chip = devm_kzalloc(&pdev->dev, sizeof(struct revid_chip), GFP_KERNEL); if (!revid_chip) @@ -211,6 +217,7 @@ static int qpnp_revid_probe(struct platform_device *pdev) revid_chip->data.rev4 = rev4; revid_chip->data.pmic_subtype = pmic_subtype; revid_chip->data.pmic_type = pmic_type; + revid_chip->data.fab_id = fab_id; if (pmic_subtype < ARRAY_SIZE(pmic_names)) revid_chip->data.pmic_name = pmic_names[pmic_subtype]; diff --git a/include/linux/qpnp/qpnp-revid.h b/include/linux/qpnp/qpnp-revid.h index b13ebe50c3d6..7c12823894df 100644 --- a/include/linux/qpnp/qpnp-revid.h +++ b/include/linux/qpnp/qpnp-revid.h @@ -212,6 +212,7 @@ struct pmic_revid_data { u8 pmic_type; u8 pmic_subtype; const char *pmic_name; + int fab_id; }; #ifdef CONFIG_QPNP_REVID |