community/linux-samsung-espresso3g: Fix WiFi reboot issue (MR 3130)

- 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.

device/community/linux-samsung-espresso3g/03-Add-clk32kg-to-twl6030-and-fix-wifi-reboot-issue.patch

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

device/community/linux-samsung-espresso3g/APKBUILD

@@ -2,7 +2,7 @@
 # Co-Maintainer: Antoni Aloy <aaloytorrens@gmail.com>
 pkgname=linux-samsung-espresso3g
 pkgver=5.17.0
-pkgrel=0
+pkgrel=1
 pkgdesc="Samsung Galaxy Tab 2 (7.0 inch) mainline kernel"
 arch="armv7"
 _carch="arm"
@@ -27,6 +27,7 @@ source="
 	00-Add-espresso-dts.patch
 	01-Add-TWL6030-power-driver-with-minimal-support-for-power-off.patch
 	02-Add-TWL6030-power-button-support-to-twl-pwrbutton.patch
+	03-Add-clk32kg-to-twl6030-and-fix-wifi-reboot-issue.patch
 	$_config
 "
 builddir="$srcdir/linux-$_kernver"
@@ -60,5 +61,6 @@ sha512sums="
 01d2e04afba261c42ba3c9e9aea4f8f023d86e58f17e2e17dec2f46347665843678dd56ad8875ab00b69074c3389dd471a47a9f252e2c8002c89dc730691cfd8  00-Add-espresso-dts.patch
 a483b1a322f3fe47c7bb6514f34cca69ad1b806487596ffab69078acb6e83e99ed39ffb4d5b4ecd17035d118a75ce5bac6761b9e42d01608f1e6a53d59b27806  01-Add-TWL6030-power-driver-with-minimal-support-for-power-off.patch
 b3d6114c5c60fc2820856c89ea6f09c369d857ae79a79f0eeb0f83f5401dc2253e11f7dac6869eb1095d3e0b3a68126246762e2f406ffae5b5ef0a60d5563bac  02-Add-TWL6030-power-button-support-to-twl-pwrbutton.patch
+c98479208876387a0e9b3aabe9e496ed41af348b459d9180ce48d08b556578e3e607727e14e2fc9569d7fd86dce539f97f6341a4b010e59fd7fc1da4600c2b88  03-Add-clk32kg-to-twl6030-and-fix-wifi-reboot-issue.patch
 3bf676ddaf2201088c223b5f67933041d47b0cb20aefb678af271887107658f334fb6f3a778470a824b1c1a1a256ac68e17bded27c6d661f7b0a92eb15326fa3  config-samsung-espresso3g.armv7
 "