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, 51 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/801-audio-0013-MLK-10611-1-ASoC-fsl-sai-Just-one-device-can-playbac.patch b/target/linux/layerscape/patches-5.4/801-audio-0013-MLK-10611-1-ASoC-fsl-sai-Just-one-device-can-playbac.patch
new file mode 100644
index 0000000000..faff9786b7
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0013-MLK-10611-1-ASoC-fsl-sai-Just-one-device-can-playbac.patch
@@ -0,0 +1,51 @@
+From 0ab3461b68ccc1d4ffb37dbc7f2e57adc8aed0fb Mon Sep 17 00:00:00 2001
+From: Zidan Wang <zidan.wang@freescale.com>
+Date: Fri, 10 Apr 2015 09:52:36 +0800
+Subject: [PATCH] MLK-10611-1 ASoC: fsl-sai: Just one device can
+ playback(captrue) when using the same SAI
+
+Just one device can playback(captrue) when using the same SAI.
+
+Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
+(cherry picked from commit 7981a488c4da440db21f0544b519b44636a0cabb)
+---
+ sound/soc/fsl/fsl_sai.c | 10 ++++++++++
+ sound/soc/fsl/fsl_sai.h |  1 +
+ 2 files changed, 11 insertions(+)
+
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -605,6 +605,11 @@ static int fsl_sai_startup(struct snd_pc
+ 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
+ 	int ret;
+ 
++	if (sai->is_stream_opened[tx])
++		return -EBUSY;
++	else
++		sai->is_stream_opened[tx] = true;
++
+ 	regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE,
+ 			   FSL_SAI_CR3_TRCE);
+ 
+@@ -621,6 +626,11 @@ static void fsl_sai_shutdown(struct snd_
+ 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
+ 
+ 	regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE, 0);
++
++	if (sai->is_stream_opened[tx]) {
++		regmap_update_bits(sai->regmap, FSL_SAI_xCR3(tx), FSL_SAI_CR3_TRCE, 0);
++		sai->is_stream_opened[tx] = false;
++	}
+ }
+ 
+ static const struct snd_soc_dai_ops fsl_sai_pcm_dai_ops = {
+--- a/sound/soc/fsl/fsl_sai.h
++++ b/sound/soc/fsl/fsl_sai.h
+@@ -137,6 +137,7 @@ struct fsl_sai {
+ 	bool is_dsp_mode;
+ 	bool sai_on_imx;
+ 	bool synchronous[2];
++	bool is_stream_opened[2];
+ 
+ 	unsigned int mclk_id[2];
+ 	unsigned int mclk_streams;