e822fde276
- Patch from Robert Nelson and Hansem Ro. - Based on the work of Hansem Ro, who owns another device, the First Generation Kindle Fire, which has similar specifications as the Samsung Galaxy Tab 2 7.0.
104 lines
3.6 KiB
Diff
104 lines
3.6 KiB
Diff
Patch picked from https://raw.githubusercontent.com/hansemro/kc1-linux/v5.16.x/patches/0006-Add-clk32kg-to-twl6030.patch
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From 6418e8fe6b80d906ac5a1d3570dd92ab0e7ec3e8 Mon Sep 17 00:00:00 2001
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From: Hansem Ro <hansemro@outlook.com>
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Date: Wed, 12 May 2021 18:26:38 -0700
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Subject: [PATCH] Add clk32kg to twl6030
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Needed for wl1271/wlcore driver bringup on Kindle Fire.
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Patch from Robert Nelson:
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https://github.com/RobertCNelson/armv7-multiplatform/commit/27fd28715ecf47dee1f36e70faecc1243125b06d
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This patch also fixes a WiFi reboot issue on Samsung Galaxy Tab 2 7.0 tablet,
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see https://gitlab.com/postmarketOS/pmaports/-/issues/1211
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---
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arch/arm/boot/dts/twl6030.dtsi | 5 +++++
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drivers/regulator/twl6030-regulator.c | 23 +++++++++++++++++++++++
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2 files changed, 28 insertions(+)
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diff --git a/arch/arm/boot/dts/twl6030.dtsi b/arch/arm/boot/dts/twl6030.dtsi
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index 9d588cfaa5cb..4eee3133ce4e 100644
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--- a/arch/arm/boot/dts/twl6030.dtsi
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+++ b/arch/arm/boot/dts/twl6030.dtsi
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@@ -97,6 +97,11 @@ twl_pwmled: pwmled {
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#pwm-cells = <2>;
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};
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+ clk32kg: regulator-clk32kg {
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+ compatible = "ti,twl6030-clk32kg";
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+ regulator-always-on;
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+ };
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+
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gpadc {
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compatible = "ti,twl6030-gpadc";
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interrupts = <3>;
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diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c
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index 430265c404d6..8ee55a0e3d2f 100644
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--- a/drivers/regulator/twl6030-regulator.c
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+++ b/drivers/regulator/twl6030-regulator.c
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@@ -299,6 +299,13 @@ static const struct regulator_ops twl6030fixed_ops = {
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.get_status = twl6030reg_get_status,
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};
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+static struct regulator_ops twl6030_fixed_resource = {
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+ .enable = twl6030reg_enable,
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+ .disable = twl6030reg_disable,
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+ .is_enabled = twl6030reg_is_enabled,
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+ .get_status = twl6030reg_get_status,
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+};
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+
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/*
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* SMPS status and control
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*/
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@@ -572,6 +579,19 @@ static const struct twlreg_info TWLSMPS_INFO_##label = { \
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}, \
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}
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+#define TWL6030_FIXED_RESOURCE(label, offset, turnon_delay) \
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+static struct twlreg_info TWLRES_INFO_##label = { \
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+ .base = offset, \
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+ .desc = { \
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+ .name = #label, \
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+ .id = TWL6030_REG_##label, \
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+ .ops = &twl6030_fixed_resource, \
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+ .type = REGULATOR_VOLTAGE, \
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+ .owner = THIS_MODULE, \
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+ .enable_time = turnon_delay, \
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+ }, \
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+ }
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+
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/* VUSBCP is managed *only* by the USB subchip */
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/* 6030 REG with base as PMC Slave Misc : 0x0030 */
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/* Turnon-delay and remap configuration values for 6030 are not
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@@ -601,6 +621,7 @@ TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
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TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
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TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
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TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
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+TWL6030_FIXED_RESOURCE(CLK32KG, 0x8C, 0);
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TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
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TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
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TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
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@@ -632,6 +653,7 @@ static u8 twl_get_smps_mult(void)
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#define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
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#define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label)
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#define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
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+#define TWLRES_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLRES, label)
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#define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
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static const struct of_device_id twl_of_match[] = {
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@@ -659,6 +681,7 @@ static const struct of_device_id twl_of_match[] = {
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TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
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TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
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TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
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+ TWLRES_OF_MATCH("ti,twl6030-clk32kg", CLK32KG),
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TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
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TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
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TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
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--
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2.31.1
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