diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/803-v5.13-0007-nvmem-qfprom-Add-support-for-fuse-blowing-on-sc7280.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/803-v5.13-0007-nvmem-qfprom-Add-support-for-fuse-blowing-on-sc7280.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/803-v5.13-0007-nvmem-qfprom-Add-support-for-fuse-blowing-on-sc7280.patch b/target/linux/generic/backport-5.10/803-v5.13-0007-nvmem-qfprom-Add-support-for-fuse-blowing-on-sc7280.patch new file mode 100644 index 0000000000..0e75d4c93d --- /dev/null +++ b/target/linux/generic/backport-5.10/803-v5.13-0007-nvmem-qfprom-Add-support-for-fuse-blowing-on-sc7280.patch @@ -0,0 +1,102 @@ +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); |