diff options
| author | Siddartha Mohanadoss <smohanad@codeaurora.org> | 2016-10-04 17:05:06 -0700 |
|---|---|---|
| committer | Siddartha Mohanadoss <smohanad@codeaurora.org> | 2016-10-07 12:15:07 -0700 |
| commit | f1fe90b2f89cfba180695c34404bfd69320f5ef7 (patch) | |
| tree | bd986deeda8cbfaf1cd50763ee036b76f29dcc3f /drivers/platform | |
| parent | 3c7400dc73db9b1455032e8d6e7679f27869cd75 (diff) | |
qpnp: revid: Add support to read FAB ID for PMICOBALT
PMICOBALT supports reading the FAB ID from the REVID
peripheral. Add an optional property qcom,fab-id-valid
to check if support for FAB ID is available in the
REVID peripheral for the PMIC.
Change-Id: If8212618baa7533b008228a71740acf1d6c72a52
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/msm/qpnp-revid.c | 9 |
1 files changed, 8 insertions, 1 deletions
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]; |