mirror of
https://git.openwrt.org/openwrt/openwrt.git
synced 2024-10-19 05:58:53 +02:00
457cc59795
This allows cleanly backporting more recent stuff that's important for OpenWrt. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
103 lines
3.5 KiB
Diff
103 lines
3.5 KiB
Diff
From 5a1bea2a2572ce5eb4bdcf432a6929681ee381f2 Mon Sep 17 00:00:00 2001
|
|
From: Rajendra Nayak <rnayak@codeaurora.org>
|
|
Date: Tue, 30 Mar 2021 12:12:41 +0100
|
|
Subject: [PATCH] nvmem: qfprom: Add support for fuse blowing on sc7280
|
|
|
|
Handle the differences across LDO voltage needed for blowing fuses,
|
|
and the blow timer value, identified using a minor version of 15
|
|
on sc7280.
|
|
|
|
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
|
|
Signed-off-by: Ravi Kumar Bokka <rbokka@codeaurora.org>
|
|
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
|
|
Link: https://lore.kernel.org/r/20210330111241.19401-11-srinivas.kandagatla@linaro.org
|
|
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
|
---
|
|
drivers/nvmem/qfprom.c | 27 +++++++++++++++++++++++++--
|
|
1 file changed, 25 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/nvmem/qfprom.c
|
|
+++ b/drivers/nvmem/qfprom.c
|
|
@@ -45,11 +45,13 @@ MODULE_PARM_DESC(read_raw_data, "Read ra
|
|
* @qfprom_blow_timer_value: The timer value of qfprom when doing efuse blow.
|
|
* @qfprom_blow_set_freq: The frequency required to set when we start the
|
|
* fuse blowing.
|
|
+ * @qfprom_blow_uV: LDO voltage to be set when doing efuse blow
|
|
*/
|
|
struct qfprom_soc_data {
|
|
u32 accel_value;
|
|
u32 qfprom_blow_timer_value;
|
|
u32 qfprom_blow_set_freq;
|
|
+ int qfprom_blow_uV;
|
|
};
|
|
|
|
/**
|
|
@@ -111,6 +113,15 @@ static const struct qfprom_soc_compatibl
|
|
.nkeepout = ARRAY_SIZE(sc7180_qfprom_keepout)
|
|
};
|
|
|
|
+static const struct nvmem_keepout sc7280_qfprom_keepout[] = {
|
|
+ {.start = 0x128, .end = 0x148},
|
|
+ {.start = 0x238, .end = 0x248}
|
|
+};
|
|
+
|
|
+static const struct qfprom_soc_compatible_data sc7280_qfprom = {
|
|
+ .keepout = sc7280_qfprom_keepout,
|
|
+ .nkeepout = ARRAY_SIZE(sc7280_qfprom_keepout)
|
|
+};
|
|
/**
|
|
* qfprom_disable_fuse_blowing() - Undo enabling of fuse blowing.
|
|
* @priv: Our driver data.
|
|
@@ -168,6 +179,7 @@ static int qfprom_enable_fuse_blowing(co
|
|
struct qfprom_touched_values *old)
|
|
{
|
|
int ret;
|
|
+ int qfprom_blow_uV = priv->soc_data->qfprom_blow_uV;
|
|
|
|
ret = clk_prepare_enable(priv->secclk);
|
|
if (ret) {
|
|
@@ -187,9 +199,9 @@ static int qfprom_enable_fuse_blowing(co
|
|
* a rail shared do don't specify a max--regulator constraints
|
|
* will handle.
|
|
*/
|
|
- ret = regulator_set_voltage(priv->vcc, 1800000, INT_MAX);
|
|
+ ret = regulator_set_voltage(priv->vcc, qfprom_blow_uV, INT_MAX);
|
|
if (ret) {
|
|
- dev_err(priv->dev, "Failed to set 1.8 voltage\n");
|
|
+ dev_err(priv->dev, "Failed to set %duV\n", qfprom_blow_uV);
|
|
goto err_clk_rate_set;
|
|
}
|
|
|
|
@@ -311,6 +323,14 @@ static const struct qfprom_soc_data qfpr
|
|
.accel_value = 0xD10,
|
|
.qfprom_blow_timer_value = 25,
|
|
.qfprom_blow_set_freq = 4800000,
|
|
+ .qfprom_blow_uV = 1800000,
|
|
+};
|
|
+
|
|
+static const struct qfprom_soc_data qfprom_7_15_data = {
|
|
+ .accel_value = 0xD08,
|
|
+ .qfprom_blow_timer_value = 24,
|
|
+ .qfprom_blow_set_freq = 4800000,
|
|
+ .qfprom_blow_uV = 1900000,
|
|
};
|
|
|
|
static int qfprom_probe(struct platform_device *pdev)
|
|
@@ -379,6 +399,8 @@ static int qfprom_probe(struct platform_
|
|
|
|
if (major_version == 7 && minor_version == 8)
|
|
priv->soc_data = &qfprom_7_8_data;
|
|
+ if (major_version == 7 && minor_version == 15)
|
|
+ priv->soc_data = &qfprom_7_15_data;
|
|
|
|
priv->vcc = devm_regulator_get(&pdev->dev, "vcc");
|
|
if (IS_ERR(priv->vcc))
|
|
@@ -405,6 +427,7 @@ static int qfprom_probe(struct platform_
|
|
static const struct of_device_id qfprom_of_match[] = {
|
|
{ .compatible = "qcom,qfprom",},
|
|
{ .compatible = "qcom,sc7180-qfprom", .data = &sc7180_qfprom},
|
|
+ { .compatible = "qcom,sc7280-qfprom", .data = &sc7280_qfprom},
|
|
{/* sentinel */},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, qfprom_of_match);
|