layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/808-i2c-0004-MLK-16203-enable-runtime-pm-of-i2c-temporary-when-do.patch b/target/linux/layerscape/patches-5.4/808-i2c-0004-MLK-16203-enable-runtime-pm-of-i2c-temporary-when-do.patch
new file mode 100644
index 0000000000..3157750f3f
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/808-i2c-0004-MLK-16203-enable-runtime-pm-of-i2c-temporary-when-do.patch
@@ -0,0 +1,58 @@
+From 4a76bb8458cbe93309314c58f276087569b2fc48 Mon Sep 17 00:00:00 2001
+From: Gao Pan <pandy.gao@nxp.com>
+Date: Fri, 18 Aug 2017 18:35:11 +0800
+Subject: [PATCH] MLK-16203 enable runtime pm of i2c temporary when do system
+ suspend
+
+When we do system suspend, the runtime pm will be disabled, but we need
+to control the PMIC to power on/off the regulator, if the runtime pm is
+disabled, if will failed to request runtime wakeup. So data transfer will
+failed.
+
+Signed-off-by: Bai Ping <ping.bai@nxp.com>
+Signed-off-by: Gao Pan <pandy.gao@nxp.com>
+Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
+(cherry picked from commit 93adab71408f1f162015e77715dd04ce2301d673)
+---
+ drivers/i2c/busses/i2c-imx.c | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+--- a/drivers/i2c/busses/i2c-imx.c
++++ b/drivers/i2c/busses/i2c-imx.c
+@@ -896,10 +896,17 @@ static int i2c_imx_xfer(struct i2c_adapt
+ 	unsigned int i, temp;
+ 	int result;
+ 	bool is_lastmsg = false;
++	bool enable_runtime_pm = false;
+ 	struct imx_i2c_struct *i2c_imx = i2c_get_adapdata(adapter);
+ 
+ 	dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
+ 
++
++	if (!pm_runtime_enabled(i2c_imx->adapter.dev.parent)) {
++		pm_runtime_enable(i2c_imx->adapter.dev.parent);
++		enable_runtime_pm = true;
++	}
++
+ 	result = pm_runtime_get_sync(i2c_imx->adapter.dev.parent);
+ 	if (result < 0)
+ 		goto out;
+@@ -971,6 +978,9 @@ fail0:
+ 	pm_runtime_put_autosuspend(i2c_imx->adapter.dev.parent);
+ 
+ out:
++	if (enable_runtime_pm)
++		pm_runtime_disable(i2c_imx->adapter.dev.parent);
++
+ 	dev_dbg(&i2c_imx->adapter.dev, "<%s> exit with: %s: %d\n", __func__,
+ 		(result < 0) ? "error" : "success msg",
+ 			(result < 0) ? result : num);
+@@ -1259,7 +1269,7 @@ static int i2c_imx_resume(struct device
+ }
+ 
+ static const struct dev_pm_ops i2c_imx_pm_ops = {
+-	SET_SYSTEM_SLEEP_PM_OPS(i2c_imx_suspend, i2c_imx_resume)
++	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(i2c_imx_suspend, i2c_imx_resume)
+ 	SET_RUNTIME_PM_OPS(i2c_imx_runtime_suspend,
+ 			   i2c_imx_runtime_resume, NULL)
+ };