diff options
| author |   takeshi_hoshina <takeshi_hoshina@mail.toyota.co.jp> | 2020-11-02 11:07:33 +0900 |
|---|---|---|
| committer | takeshi_hoshina <takeshi_hoshina@mail.toyota.co.jp> | 2020-11-02 11:07:33 +0900 |
| commit | 1c7d6584a7811b7785ae5c1e378f14b5ba0971cf (patch) | |
| tree | cd70a267a5ef105ba32f200aa088e281fbd85747 /bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0425-arm64-dts-r8a7798-v3hsk-vb-4-8ch-change-i2c-rate-to-.patch | |
| parent | 4204309872da5cb401cbb2729d9e2d4869a87f42 (diff) | |
basesystem-jjsandbox/ToshikazuOhiwa/master-jj
recipes
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0425-arm64-dts-r8a7798-v3hsk-vb-4-8ch-change-i2c-rate-to-.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0425-arm64-dts-r8a7798-v3hsk-vb-4-8ch-change-i2c-rate-to-.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0425-arm64-dts-r8a7798-v3hsk-vb-4-8ch-change-i2c-rate-to-.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0425-arm64-dts-r8a7798-v3hsk-vb-4-8ch-change-i2c-rate-to-.patch new file mode 100644 index 00000000..a2809257 --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0425-arm64-dts-r8a7798-v3hsk-vb-4-8ch-change-i2c-rate-to-.patch @@ -0,0 +1,44 @@ +From 7cd42e725a0221bb9c0443b15311fe3f5d37ed97 Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Wed, 9 Oct 2019 18:34:48 +0300 +Subject: [PATCH] arm64: dts: r8a7798-v3hsk-vb-4/8ch: change i2c rate to 400khz + +Change i2c rate to 400kHz for bus with cameras. +This speeds up the cameras backchannel transactions. +The restriction of 100khz for cs2300 looks not needed for rev C1 chip. + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-4ch.dts | 2 +- + arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-8ch.dts | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +diff --git a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-4ch.dts b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-4ch.dts +index 12ef357..4ca62c6 100644 +--- a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-4ch.dts ++++ b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-4ch.dts +@@ -142,7 +142,7 @@ + pinctrl-names = "default"; + status = "okay"; + +- clock-frequency = <100000>; ++ clock-frequency = <400000>; + + i2cswitch1: i2c-switch@74 { + compatible = "nxp,pca9548"; +diff --git a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-8ch.dts b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-8ch.dts +index 861b90f..b635132 100644 +--- a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-8ch.dts ++++ b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk-vb-8ch.dts +@@ -142,7 +142,7 @@ + pinctrl-names = "default"; + status = "okay"; + +- clock-frequency = <100000>; ++ clock-frequency = <400000>; + + i2cswitch1: i2c-switch@74 { + compatible = "nxp,pca9548"; +-- +2.7.4 + |