diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0499-overlays-Improve-the-i2c-rtc-i2c_csi_dsi-option.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0499-overlays-Improve-the-i2c-rtc-i2c_csi_dsi-option.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0499-overlays-Improve-the-i2c-rtc-i2c_csi_dsi-option.patch b/target/linux/bcm27xx/patches-5.10/950-0499-overlays-Improve-the-i2c-rtc-i2c_csi_dsi-option.patch new file mode 100644 index 0000000000..a9ec817150 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0499-overlays-Improve-the-i2c-rtc-i2c_csi_dsi-option.patch @@ -0,0 +1,50 @@ +From 7792f64f6d4fbd67ed99e63ad7e828430adb6bac Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Thu, 11 Mar 2021 16:11:46 +0000 +Subject: [PATCH] overlays: Improve the i2c-rtc,i2c_csi_dsi option + +The i2c_csi_dsi parameter of the i2c-rtc overlay (added for the CM4IO +board) causes the RTC devices to be probed on the I2C0 bus appearing +on GPIOs 44 and 45. However, it didn't enable the other nodes necessary +for it to work - "dtparam=i2c_vc=on" was also required. + +Fix that. + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 17 ++++++++++++++++- + 1 file changed, 16 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts ++++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts +@@ -252,6 +252,20 @@ + }; + }; + ++ fragment@101 { ++ target = <&i2c0if>; ++ __dormant__ { ++ status = "okay"; ++ }; ++ }; ++ ++ fragment@102 { ++ target = <&i2c0mux>; ++ __dormant__ { ++ status = "okay"; ++ }; ++ }; ++ + __overrides__ { + abx80x = <0>,"+0"; + ds1307 = <0>,"+1"; +@@ -273,7 +287,8 @@ + pcf85063a = <0>,"+16"; + + i2c0 = <&frag100>, "target:0=",<&i2c0>; +- i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>; ++ i2c_csi_dsi = <&frag100>, "target:0=",<&i2c_csi_dsi>, ++ <0>,"+101+102"; + + addr = <&abx80x>, "reg:0", + <&ds1307>, "reg:0", |