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authorVladimir Barinov <vladimir.barinov@cogentembedded.com>2017-08-09 12:13:07 +0300
committerVladimir Barinov <vladimir.barinov@cogentembedded.com>2017-08-09 12:13:07 +0300
commit113ff6615d9302ccc8d4295f6b76f7e2875a2b02 (patch)
tree35475da23db6dff1c743c114b558bbb7c470455b /meta-rcar-gen3-adas/recipes-kernel/linux
parent4fdd1ff8a15ff58a54eeca5d7203b55e2aa2ce28 (diff)
KF: ADV7511 edid fixes, i2c2 speed 400khz, hsusb ws2.0 enable
1) fix edid get via adv7511 2) increase i2c2 speed from 100 to 400khz sine #1 fixed 3) enable hsusb for H3 ws2.0
Diffstat (limited to 'meta-rcar-gen3-adas/recipes-kernel/linux')
-rw-r--r--meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch48
-rw-r--r--meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0068-drm-adv7511-use-smbus-to-retrieve-edid.patch53
-rw-r--r--meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas_4.9.bbappend1
3 files changed, 82 insertions, 20 deletions
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch
index b55b066..2c2d7cc 100644
--- a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch
+++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0040-arm64-dts-renesas-add-ADAS-boards.patch
@@ -514,7 +514,7 @@ index 0000000..b3ac95aa4
+};
+
+&i2c2 {
-+ clock-frequency = <100000>;
++ clock-frequency = <400000>;
+
+ gpio_ext_20: pca9535@20 {
+ compatible = "nxp,pca9535";
@@ -2123,8 +2123,8 @@ index 0000000..1672384
+ hdmi@3d {
+ compatible = "adi,adv7511w";
+ reg = <0x3d>;
-+ interrupt-parent = <&gpio2>;
-+ interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
++// interrupt-parent = <&gpio2>;
++// interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
+ pd-gpios = <&gpio_ext_75 5 GPIO_ACTIVE_LOW>;
+
+ adi,input-depth = <8>;
@@ -2288,7 +2288,7 @@ new file mode 100644
index 0000000..2a7ded7
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/legacy/r8a7795-h3ulcb-kf-v0.dts
-@@ -0,0 +1,1720 @@
+@@ -0,0 +1,1724 @@
+/*
+ * Device Tree Source for the H3ULCB Kingfisher V0 board on r8a7795
+ *
@@ -2683,7 +2683,7 @@ index 0000000..2a7ded7
+};
+
+&i2c2 {
-+ clock-frequency = <100000>;
++ clock-frequency = <400000>;
+
+ gpio_ext_20: pca9535@20 {
+ compatible = "nxp,pca9535";
@@ -3953,6 +3953,10 @@ index 0000000..2a7ded7
+ status = "okay";
+};
+
++&hsusb0 {
++ status = "okay";
++};
++
+&ehci0 {
+ status = "okay";
+};
@@ -4314,8 +4318,8 @@ index 0000000..119f58c
+ hdmi@3d {
+ compatible = "adi,adv7511w";
+ reg = <0x3d>;
-+ interrupt-parent = <&gpio2>;
-+ interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
++// interrupt-parent = <&gpio2>;
++// interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
+ pd-gpios = <&gpio_ext_75 5 GPIO_ACTIVE_LOW>;
+
+ adi,input-depth = <8>;
@@ -4879,7 +4883,7 @@ index 0000000..0ac577a
+};
+
+&i2c2 {
-+ clock-frequency = <100000>;
++ clock-frequency = <400000>;
+
+ gpio_ext_20: pca9535@20 {
+ compatible = "nxp,pca9535";
@@ -6004,8 +6008,8 @@ index 0000000..1344152
+ hdmi@3d {
+ compatible = "adi,adv7511w";
+ reg = <0x3d>;
-+ interrupt-parent = <&gpio2>;
-+ interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
++// interrupt-parent = <&gpio2>;
++// interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
+ pd-gpios = <&gpio_ext_75 5 GPIO_ACTIVE_LOW>;
+
+ adi,input-depth = <8>;
@@ -6870,7 +6874,7 @@ index 0000000..f117af0
+};
+
+&i2c2 {
-+ clock-frequency = <100000>;
++ clock-frequency = <400000>;
+
+ gpio_ext_74: pca9539@74 {
+ compatible = "nxp,pca9539";
@@ -6985,8 +6989,8 @@ index 0000000..f117af0
+ hdmi@3d {
+ compatible = "adi,adv7511w";
+ reg = <0x3d>;
-+ interrupt-parent = <&gpio2>;
-+ interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
++// interrupt-parent = <&gpio2>;
++// interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
+ pd-gpios = <&gpio_ext_75 5 GPIO_ACTIVE_LOW>;
+
+ adi,input-depth = <8>;
@@ -11563,7 +11567,7 @@ new file mode 100644
index 0000000..5b61059
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb-kf.dts
-@@ -0,0 +1,1906 @@
+@@ -0,0 +1,1910 @@
+/*
+ * Device Tree Source for the H3ULCB Kingfisher board on r8a7795
+ *
@@ -11971,7 +11975,7 @@ index 0000000..5b61059
+};
+
+&i2c2 {
-+ clock-frequency = <100000>;
++ clock-frequency = <400000>;
+
+ gpio_ext_74: pca9539@74 {
+ compatible = "nxp,pca9539";
@@ -12086,8 +12090,8 @@ index 0000000..5b61059
+ hdmi@3d {
+ compatible = "adi,adv7511w";
+ reg = <0x3d>;
-+ interrupt-parent = <&gpio2>;
-+ interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
++// interrupt-parent = <&gpio2>;
++// interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
+ pd-gpios = <&gpio_ext_75 5 GPIO_ACTIVE_LOW>;
+
+ adi,input-depth = <8>;
@@ -13409,6 +13413,10 @@ index 0000000..5b61059
+ status = "okay";
+};
+
++&hsusb0 {
++ status = "okay";
++};
++
+&ehci0 {
+ status = "okay";
+};
@@ -16786,7 +16794,7 @@ index 0000000..a037f16
+};
+
+&i2c2 {
-+ clock-frequency = <100000>;
++ clock-frequency = <400000>;
+
+ gpio_ext_74: pca9539@74 {
+ compatible = "nxp,pca9539";
@@ -16901,8 +16909,8 @@ index 0000000..a037f16
+ hdmi@3d {
+ compatible = "adi,adv7511w";
+ reg = <0x3d>;
-+ interrupt-parent = <&gpio2>;
-+ interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
++// interrupt-parent = <&gpio2>;
++// interrupts = <0 IRQ_TYPE_EDGE_BOTH>;
+ pd-gpios = <&gpio_ext_75 5 GPIO_ACTIVE_LOW>;
+
+ adi,input-depth = <8>;
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0068-drm-adv7511-use-smbus-to-retrieve-edid.patch b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0068-drm-adv7511-use-smbus-to-retrieve-edid.patch
new file mode 100644
index 0000000..1b4dbd8
--- /dev/null
+++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0068-drm-adv7511-use-smbus-to-retrieve-edid.patch
@@ -0,0 +1,53 @@
+From 2e2b673a2a47e8358ef92ec4019be87552949304 Mon Sep 17 00:00:00 2001
+From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
+Date: Wed, 9 Aug 2017 11:52:22 +0300
+Subject: [PATCH] drm: adv7511: use smbus to retrieve edid
+
+Get EDID using smbus protocol instead block i2c transfer
+This fixes often checksum errors while retriving EDID at 400kHz bus speed
+
+Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
+---
+ drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 9 +++++----
+ 1 file changed, 5 insertions(+), 4 deletions(-)
+
+diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+index d3ece87..b2e1b58 100644
+--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
++++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+@@ -500,18 +500,19 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
+ * support 64 byte transfers than 256 byte transfers
+ */
+
++#define CHUNK_SIZE 1
+ xfer[0].addr = adv7511->i2c_edid->addr;
+ xfer[0].flags = 0;
+ xfer[0].len = 1;
+ xfer[0].buf = &offset;
+ xfer[1].addr = adv7511->i2c_edid->addr;
+ xfer[1].flags = I2C_M_RD;
+- xfer[1].len = 64;
++ xfer[1].len = CHUNK_SIZE;
+ xfer[1].buf = adv7511->edid_buf;
+
+ offset = 0;
+
+- for (i = 0; i < 4; ++i) {
++ for (i = 0; i < 256/CHUNK_SIZE; ++i) {
+ ret = i2c_transfer(adv7511->i2c_edid->adapter, xfer,
+ ARRAY_SIZE(xfer));
+ if (ret < 0)
+@@ -519,8 +520,8 @@ static int adv7511_get_edid_block(void *data, u8 *buf, unsigned int block,
+ else if (ret != 2)
+ return -EIO;
+
+- xfer[1].buf += 64;
+- offset += 64;
++ xfer[1].buf += CHUNK_SIZE;
++ offset += CHUNK_SIZE;
+ }
+
+ adv7511->current_edid_segment = block / 2;
+--
+1.9.1
+
diff --git a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas_4.9.bbappend b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas_4.9.bbappend
index 5384298..89ee785 100644
--- a/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas_4.9.bbappend
+++ b/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas_4.9.bbappend
@@ -50,6 +50,7 @@ SRC_URI_append = " \
file://0065-gpio-max732x-set-gpio-ouput-low-at-init.patch \
file://0066-pci-pcie-rcar-add-regulators-support.patch \
file://0067-ti-st-use-proper-way-to-get-shutdown-gpio.patch \
+ file://0068-drm-adv7511-use-smbus-to-retrieve-edid.patch \
"
SRC_URI_append_h3ulcb = " file://ulcb.cfg"