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, 92 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/801-audio-0071-MLK-21957-2-ASoC-fsl_sai-read-SAI-version-and-params.patch b/target/linux/layerscape/patches-5.4/801-audio-0071-MLK-21957-2-ASoC-fsl_sai-read-SAI-version-and-params.patch
new file mode 100644
index 0000000000..005f4b507f
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0071-MLK-21957-2-ASoC-fsl_sai-read-SAI-version-and-params.patch
@@ -0,0 +1,92 @@
+From 34a1cd97a2ef6f68a12ff2f2fd813548e867f72f Mon Sep 17 00:00:00 2001
+From: Viorel Suman <viorel.suman@nxp.com>
+Date: Thu, 20 Jun 2019 13:25:15 +0300
+Subject: [PATCH] MLK-21957-2: ASoC: fsl_sai: read SAI version and params in
+ probe
+
+Read SAI IP version and parameters in probe function.
+
+Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
+---
+ sound/soc/fsl/fsl_sai.c | 30 ++++++++++++++++++++----------
+ 1 file changed, 20 insertions(+), 10 deletions(-)
+
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -465,11 +465,12 @@ static int fsl_sai_set_dai_fmt(struct sn
+ 	return ret;
+ }
+ 
+-static int fsl_sai_check_ver(struct snd_soc_dai *cpu_dai)
++static int fsl_sai_check_ver(struct device *dev)
+ {
+-	struct fsl_sai *sai = dev_get_drvdata(cpu_dai->dev);
++	struct fsl_sai *sai = dev_get_drvdata(dev);
+ 	unsigned char offset = sai->soc->reg_offset;
+ 	unsigned int val;
++	int ret;
+ 
+ 	if (FSL_SAI_TCSR(offset) == FSL_SAI_VERID)
+ 		return 0;
+@@ -477,16 +478,21 @@ static int fsl_sai_check_ver(struct snd_
+ 	if (sai->verid.loaded)
+ 		return 0;
+ 
+-	sai->verid.loaded = true;
+-	regmap_read(sai->regmap, FSL_SAI_VERID, &val);
+-	dev_dbg(cpu_dai->dev, "VERID: 0x%016X\n", val);
++	ret = regmap_read(sai->regmap, FSL_SAI_VERID, &val);
++	if (ret < 0)
++		return ret;
++
++	dev_dbg(dev, "VERID: 0x%016X\n", val);
+ 
+ 	sai->verid.id = (val & FSL_SAI_VER_ID_MASK) >> FSL_SAI_VER_ID_SHIFT;
+ 	sai->verid.extfifo_en = (val & FSL_SAI_VER_EFIFO_EN);
+ 	sai->verid.timestamp_en = (val & FSL_SAI_VER_TSTMP_EN);
+ 
+-	regmap_read(sai->regmap, FSL_SAI_PARAM, &val);
+-	dev_dbg(cpu_dai->dev, "PARAM: 0x%016X\n", val);
++	ret = regmap_read(sai->regmap, FSL_SAI_PARAM, &val);
++	if (ret < 0)
++		return ret;
++
++	dev_dbg(dev, "PARAM: 0x%016X\n", val);
+ 
+ 	/* max slots per frame, power of 2 */
+ 	sai->param.spf = 1 <<
+@@ -499,11 +505,13 @@ static int fsl_sai_check_ver(struct snd_
+ 	/* number of datalines implemented */
+ 	sai->param.dln = val & FSL_SAI_PAR_DLN_MASK;
+ 
+-	dev_dbg(cpu_dai->dev,
++	dev_dbg(dev,
+ 		"Version: 0x%08X, SPF: %u, WPF: %u, DLN: %u\n",
+ 		sai->verid.id, sai->param.spf, sai->param.wpf, sai->param.dln
+ 	);
+ 
++	sai->verid.loaded = true;
++
+ 	return 0;
+ }
+ 
+@@ -521,8 +529,6 @@ static int fsl_sai_set_bclk(struct snd_s
+ 	if (sai->slave_mode[tx])
+ 		return 0;
+ 
+-	fsl_sai_check_ver(dai);
+-
+ 	for (id = 0; id < FSL_SAI_MCLK_MAX; id++) {
+ 		clk_rate = clk_get_rate(sai->mclk_clk[id]);
+ 		if (!clk_rate)
+@@ -1517,6 +1523,10 @@ static int fsl_sai_probe(struct platform
+ 
+ 	platform_set_drvdata(pdev, sai);
+ 
++	ret = fsl_sai_check_ver(&pdev->dev);
++	if (ret < 0)
++		dev_warn(&pdev->dev, "Error reading SAI version: %d\n", ret);
++
+ 	pm_runtime_enable(&pdev->dev);
+ 
+ 	regcache_cache_only(sai->regmap, true);