openwrt/target/linux/bcm27xx/patches-5.4/950-0155-media-tc358743-Add-support-for-972Mbit-s-link-freq.patch
John Audia b4c02c9998 kernel: bump 5.4 to 5.4.73
Removed upstreamed patches:
 generic/pending-5.4
   445-mtd-spinand-gigadevice-Only-one-dummy-byte-in-QUA.patch
   446-mtd-spinand-gigadevice-Add-QE-Bit.patch
 pistachio/patches-5.4
   150-pwm-img-Fix-null-pointer-access-in-probe.patch

Manually rebased:
 layerscape/patches-5.4
   801-audio-0011-Revert-ASoC-fsl_sai-add-of_match-data.patch
   801-audio-0039-MLK-16224-6-ASoC-fsl_sai-fix-DSD-suspend-resume.patch
   801-audio-0073-MLK-21957-3-ASoC-fsl_sai-add-bitcount-and-timestamp-.patch
   820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh.patch

All modifications made by update_kernel.sh

Build system: x86_64
Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711,
              mvebu (mamba, rango), x86_64, ramips/mt7621
Run-tested: ipq806x/R7800, mvebu (mamba, rango), x86_64, ramips (RT-AC57U)

No dmesg regressions, everything functional

Signed-off-by: John Audia <graysky@archlinux.us>
[alter 820-usb-0009-usb-dwc3-Add-workaround-for-host-mode-VBUS-glitch-wh]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-11-01 14:44:06 +01:00

80 lines
2.9 KiB
Diff

From 9a379dd76a0369c09f1b613bdd869b6b0354a0f3 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 31 Oct 2018 14:57:21 +0000
Subject: [PATCH] media: tc358743: Add support for 972Mbit/s link freq.
Adds register setups for running the CSI lanes at 972Mbit/s,
which allows 1080P50 UYVY down 2 lanes.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/media/i2c/tc358743.c | 47 +++++++++++++++++++++++++-----------
1 file changed, 33 insertions(+), 14 deletions(-)
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1978,6 +1978,7 @@ static int tc358743_probe_of(struct tc35
/*
* The CSI bps per lane must be between 62.5 Mbps and 1 Gbps.
* The default is 594 Mbps for 4-lane 1080p60 or 2-lane 720p60.
+ * 972 Mbps allows 1080P50 UYVY over 2-lane.
*/
bps_pr_lane = 2 * endpoint.link_frequencies[0];
if (bps_pr_lane < 62500000U || bps_pr_lane > 1000000000U) {
@@ -1990,23 +1991,41 @@ static int tc358743_probe_of(struct tc35
state->pdata.refclk_hz * state->pdata.pll_prd;
/*
- * FIXME: These timings are from REF_02 for 594 Mbps per lane (297 MHz
- * link frequency). In principle it should be possible to calculate
+ * FIXME: These timings are from REF_02 for 594 or 972 Mbps per lane
+ * (297 MHz or 486 MHz link frequency).
+ * In principle it should be possible to calculate
* them based on link frequency and resolution.
*/
- if (bps_pr_lane != 594000000U)
+ switch (bps_pr_lane) {
+ default:
dev_warn(dev, "untested bps per lane: %u bps\n", bps_pr_lane);
- state->pdata.lineinitcnt = 0xe80;
- state->pdata.lptxtimecnt = 0x003;
- /* tclk-preparecnt: 3, tclk-zerocnt: 20 */
- state->pdata.tclk_headercnt = 0x1403;
- state->pdata.tclk_trailcnt = 0x00;
- /* ths-preparecnt: 3, ths-zerocnt: 1 */
- state->pdata.ths_headercnt = 0x0103;
- state->pdata.twakeup = 0x4882;
- state->pdata.tclk_postcnt = 0x008;
- state->pdata.ths_trailcnt = 0x2;
- state->pdata.hstxvregcnt = 0;
+ case 594000000U:
+ state->pdata.lineinitcnt = 0xe80;
+ state->pdata.lptxtimecnt = 0x003;
+ /* tclk-preparecnt: 3, tclk-zerocnt: 20 */
+ state->pdata.tclk_headercnt = 0x1403;
+ state->pdata.tclk_trailcnt = 0x00;
+ /* ths-preparecnt: 3, ths-zerocnt: 1 */
+ state->pdata.ths_headercnt = 0x0103;
+ state->pdata.twakeup = 0x4882;
+ state->pdata.tclk_postcnt = 0x008;
+ state->pdata.ths_trailcnt = 0x2;
+ state->pdata.hstxvregcnt = 0;
+ break;
+ case 972000000U:
+ state->pdata.lineinitcnt = 0x1b58;
+ state->pdata.lptxtimecnt = 0x007;
+ /* tclk-preparecnt: 6, tclk-zerocnt: 40 */
+ state->pdata.tclk_headercnt = 0x2806;
+ state->pdata.tclk_trailcnt = 0x00;
+ /* ths-preparecnt: 6, ths-zerocnt: 8 */
+ state->pdata.ths_headercnt = 0x0806;
+ state->pdata.twakeup = 0x4268;
+ state->pdata.tclk_postcnt = 0x008;
+ state->pdata.ths_trailcnt = 0x5;
+ state->pdata.hstxvregcnt = 0;
+ break;
+ }
state->reset_gpio = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_LOW);