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, 129 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/805-display-0020-drm-bridge-cdns-cec-fix-LA-failed-set-issue.patch b/target/linux/layerscape/patches-5.4/805-display-0020-drm-bridge-cdns-cec-fix-LA-failed-set-issue.patch
new file mode 100644
index 0000000000..ec36c571da
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/805-display-0020-drm-bridge-cdns-cec-fix-LA-failed-set-issue.patch
@@ -0,0 +1,129 @@
+From 4e8d26c363c6e4b8b89d21feeb8c6dc57085b27d Mon Sep 17 00:00:00 2001
+From: Sandor Yu <Sandor.yu@nxp.com>
+Date: Fri, 27 Sep 2019 17:15:34 +0800
+Subject: [PATCH] drm: bridge: cdns cec: fix LA failed set issue
+
+improved function set_logical_addr() function.
+Fix LA set failed issue in some case.
+
+Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
+---
+ drivers/gpu/drm/bridge/cadence/Kconfig         |  6 ++++
+ drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c | 38 +++++++++++---------------
+ 2 files changed, 22 insertions(+), 22 deletions(-)
+
+--- a/drivers/gpu/drm/bridge/cadence/Kconfig
++++ b/drivers/gpu/drm/bridge/cadence/Kconfig
+@@ -8,12 +8,18 @@ config DRM_CDNS_MHDP
+ 
+ config DRM_CDNS_HDMI
+ 	tristate "Cadence HDMI DRM driver"
++	depends on DRM_CDNS_MHDP
+ 
+ config DRM_CDNS_DP
+ 	tristate "Cadence DP DRM driver"
++	depends on DRM_CDNS_MHDP
+ 
+ config DRM_CDNS_AUDIO
+ 	tristate "Cadence MHDP Audio driver"
++	depends on DRM_CDNS_MHDP
+ 
+ config DRM_CDNS_HDMI_CEC
+ 	tristate "Cadence MHDP HDMI CEC driver"
++	depends on DRM_CDNS_HDMI
++	select CEC_CORE
++	select CEC_NOTIFIER
+--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
++++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
+@@ -20,8 +20,6 @@
+ #define CEC_NAME	"cdns-mhdp-cec"
+ 
+ #define REG_ADDR_OFF 4
+-#define MAX_LA_IDX 4
+-#define MAX_LA_VAL 15
+ 
+ /* regsiter define */
+ #define TX_MSG_HEADER 0x33800
+@@ -158,26 +156,22 @@ static u32 mhdp_cec_write_message(struct
+ 	return true;
+ }
+ 
+-//static void cec_abort_tx_transfer(struct cdns_mhdp_cec *cec)
+-//{
+-//	cec_write(cec, TX_MSG_CMD, CEC_TX_ABORT);
+-//	cec_write(cec, TX_MSG_CMD, CEC_TX_STOP);
+-//}
+-
+ static int mhdp_cec_set_logical_addr(struct cdns_mhdp_cec *cec, u32 la)
+ {
+-	u8 i;
+ 	u8 la_reg;
++	u8 i;
+ 
+-	if (la >= MAX_LA_VAL) {
+-		dev_err(cec->dev, "Error logical Addr\n");
+-		return -EINVAL;
+-	}
+-
+-	for (i = 0; i < MAX_LA_IDX; ++i) {
+-		la_reg =
+-		    mhdp_cec_read(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF));
++	if (la == CEC_LOG_ADDR_INVALID)
++		/* invalid all LA address */
++		for (i = 0; i < CEC_MAX_LOG_ADDRS; ++i) {
++			mhdp_cec_write(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF), 0);
++			return 0;
++		}
+ 
++	/* In fact cdns mhdp cec could support max 5 La address */
++	for (i = 0; i < CEC_MAX_LOG_ADDRS; ++i) {
++		la_reg = mhdp_cec_read(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF));
++		/* Check LA already used */
+ 		if (la_reg & 0x10)
+ 			continue;
+ 
+@@ -194,7 +188,7 @@ static int mhdp_cec_set_logical_addr(str
+ 
+ 	dev_warn(cec->dev, "All LA in use\n");
+ 
+-	return -EINVAL;
++	return -ENXIO;
+ }
+ 
+ static int mhdp_cec_poll_worker(void *_cec)
+@@ -263,7 +257,7 @@ static int mhdp_cec_poll_worker(void *_c
+ 
+ static int mhdp_cec_adap_enable(struct cec_adapter *adap, bool enable)
+ {
+-	struct cdns_mhdp_cec *cec = adap->priv;
++	struct cdns_mhdp_cec *cec = cec_get_drvdata(adap);
+ 
+ 	if (enable) {
+ 		mhdp_cec_write(cec, DB_L_TIMER, 0x10);
+@@ -276,7 +270,7 @@ static int mhdp_cec_adap_enable(struct c
+ 
+ static int mhdp_cec_adap_log_addr(struct cec_adapter *adap, u8 addr)
+ {
+-	struct cdns_mhdp_cec *cec = adap->priv;
++	struct cdns_mhdp_cec *cec = cec_get_drvdata(adap);
+ 
+ 	return mhdp_cec_set_logical_addr(cec, addr);
+ }
+@@ -284,7 +278,7 @@ static int mhdp_cec_adap_log_addr(struct
+ static int mhdp_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
+ 				 u32 signal_free_time, struct cec_msg *msg)
+ {
+-	struct cdns_mhdp_cec *cec = adap->priv;
++	struct cdns_mhdp_cec *cec = cec_get_drvdata(adap);
+ 
+ 	mhdp_cec_write_message(cec, msg);
+ 
+@@ -307,7 +301,7 @@ int cdns_mhdp_register_cec_driver(struct
+ 					 CEC_NAME,
+ 					 CEC_CAP_PHYS_ADDR | CEC_CAP_LOG_ADDRS |
+ 					 CEC_CAP_TRANSMIT | CEC_CAP_PASSTHROUGH
+-					 | CEC_CAP_RC, 1);
++					 | CEC_CAP_RC, CEC_MAX_LOG_ADDRS);
+ 	ret = PTR_ERR_OR_ZERO(cec->adap);
+ 	if (ret)
+ 		return ret;