diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0710-overlays-Move-fixed-clock-nodes-to-the-root.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0710-overlays-Move-fixed-clock-nodes-to-the-root.patch | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0710-overlays-Move-fixed-clock-nodes-to-the-root.patch b/target/linux/bcm27xx/patches-5.4/950-0710-overlays-Move-fixed-clock-nodes-to-the-root.patch new file mode 100644 index 0000000000..aa19ca11d5 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0710-overlays-Move-fixed-clock-nodes-to-the-root.patch @@ -0,0 +1,326 @@ +From 805e008c18ec09c4115e4cec413642028cd9a8e2 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Mon, 11 May 2020 15:12:21 +0100 +Subject: [PATCH] overlays: Move "fixed-clock" nodes to the root + +Apart from some special cases, device objects are only created for +nodes if they are children of a bus or the root node. "fixed-clock" +is one of the exceptions that will be instantiated wherever it is +found, but only during kernel initialisation - ruling out loading the +overlay at runtime. + +Move most of the affected clocks to be children of the root, only +leaving those in overlays that could be multiply instantiated, to avoid +a potential name clash. + +See: https://github.com/raspberrypi/linux/issues/3602 + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + .../dts/overlays/audiosense-pi-overlay.dts | 14 ++++++------- + arch/arm/boot/dts/overlays/draws-overlay.dts | 12 +++++------ + .../boot/dts/overlays/fe-pi-audio-overlay.dts | 2 +- + arch/arm/boot/dts/overlays/imx219-overlay.dts | 12 +++++------ + .../arm/boot/dts/overlays/irs1125-overlay.dts | 17 +++++++++------ + .../dts/overlays/mcp2515-can0-overlay.dts | 2 +- + .../dts/overlays/mcp2515-can1-overlay.dts | 2 +- + .../boot/dts/overlays/midi-uart0-overlay.dts | 2 +- + arch/arm/boot/dts/overlays/ov5647-overlay.dts | 17 +++++++++------ + .../boot/dts/overlays/rpivid-v4l2-overlay.dts | 17 +++++++++------ + .../dts/overlays/sc16is752-spi1-overlay.dts | 21 ++++++++++++------- + .../boot/dts/overlays/tc358743-overlay.dts | 17 +++++++++------ + 12 files changed, 80 insertions(+), 55 deletions(-) + +--- a/arch/arm/boot/dts/overlays/audiosense-pi-overlay.dts ++++ b/arch/arm/boot/dts/overlays/audiosense-pi-overlay.dts +@@ -24,6 +24,13 @@ + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; ++ ++ /* audio external oscillator */ ++ codec_osc: codec_osc { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <12000000>; /* 12 MHz */ ++ }; + }; + }; + +@@ -44,13 +51,6 @@ + #size-cells = <0>; + status = "okay"; + +- /* audio external oscillator */ +- codec_osc: codec_osc { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <12000000>; /* 12 MHz */ +- }; +- + codec: tlv320aic32x4@18 { + #sound-dai-cells = <0>; + compatible = "ti,tlv320aic32x4"; +--- a/arch/arm/boot/dts/overlays/draws-overlay.dts ++++ b/arch/arm/boot/dts/overlays/draws-overlay.dts +@@ -30,6 +30,12 @@ + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; ++ ++ sc16is752_clk: sc16is752_draws_clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <1843200>; ++ }; + }; + + pps: pps { +@@ -78,12 +84,6 @@ + + pinctrl-names = "default"; + pinctrl-0 = <&sc16is752_irq>; +- +- sc16is752_clk: sc16is752_clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <1843200>; +- }; + }; + + tla2024: tla2024@48 { +--- a/arch/arm/boot/dts/overlays/fe-pi-audio-overlay.dts ++++ b/arch/arm/boot/dts/overlays/fe-pi-audio-overlay.dts +@@ -6,7 +6,7 @@ + compatible = "brcm,bcm2835"; + + fragment@0 { +- target = <&clocks>; ++ target-path = "/"; + __overlay__ { + sgtl5000_mclk: sgtl5000_mclk { + compatible = "fixed-clock"; +--- a/arch/arm/boot/dts/overlays/imx219-overlay.dts ++++ b/arch/arm/boot/dts/overlays/imx219-overlay.dts +@@ -27,12 +27,6 @@ + VDIG-supply = <&imx219_vdig>; /* 1.8v */ + VDDL-supply = <&imx219_vddl>; /* 1.2v */ + +- imx219_clk: camera-clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <24000000>; +- }; +- + port { + imx219_0: endpoint { + remote-endpoint = <&csi1_ep>; +@@ -90,6 +84,12 @@ + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + }; ++ ++ imx219_clk: camera-clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <24000000>; ++ }; + }; + }; + +--- a/arch/arm/boot/dts/overlays/irs1125-overlay.dts ++++ b/arch/arm/boot/dts/overlays/irs1125-overlay.dts +@@ -21,12 +21,6 @@ + pwdn-gpios = <&gpio 5 0>; + clocks = <&irs1125_clk>; + +- irs1125_clk: camera-clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <26000000>; +- }; +- + port { + irs1125_0: endpoint { + remote-endpoint = <&csi1_ep>; +@@ -75,4 +69,15 @@ + cam0-pwdn = <&irs1125>,"pwdn-gpios:4"; + }; + }; ++ ++ fragment@5 { ++ target-path = "/"; ++ __overlay__ { ++ irs1125_clk: camera-clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <26000000>; ++ }; ++ }; ++ }; + }; +--- a/arch/arm/boot/dts/overlays/mcp2515-can0-overlay.dts ++++ b/arch/arm/boot/dts/overlays/mcp2515-can0-overlay.dts +@@ -35,7 +35,7 @@ + + /* the clock/oscillator of the can-controller */ + fragment@3 { +- target-path = "/clocks"; ++ target-path = "/"; + __overlay__ { + /* external oscillator of mcp2515 on SPI0.0 */ + can0_osc: can0_osc { +--- a/arch/arm/boot/dts/overlays/mcp2515-can1-overlay.dts ++++ b/arch/arm/boot/dts/overlays/mcp2515-can1-overlay.dts +@@ -35,7 +35,7 @@ + + /* the clock/oscillator of the can-controller */ + fragment@3 { +- target-path = "/clocks"; ++ target-path = "/"; + __overlay__ { + /* external oscillator of mcp2515 on spi0.1 */ + can1_osc: can1_osc { +--- a/arch/arm/boot/dts/overlays/midi-uart0-overlay.dts ++++ b/arch/arm/boot/dts/overlays/midi-uart0-overlay.dts +@@ -15,7 +15,7 @@ + compatible = "brcm,bcm2835"; + + fragment@0 { +- target-path = "/clocks"; ++ target-path = "/"; + __overlay__ { + midi_clk: midi_clk { + compatible = "fixed-clock"; +--- a/arch/arm/boot/dts/overlays/ov5647-overlay.dts ++++ b/arch/arm/boot/dts/overlays/ov5647-overlay.dts +@@ -21,12 +21,6 @@ + pwdn-gpios = <&gpio 41 1>, <&gpio 32 1>; + clocks = <&ov5647_clk>; + +- ov5647_clk: camera-clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <25000000>; +- }; +- + port { + ov5647_0: endpoint { + remote-endpoint = <&csi1_ep>; +@@ -77,4 +71,15 @@ + cam0-led = <&ov5647>,"pwdn-gpios:16"; + }; + }; ++ ++ fragment@5 { ++ target-path = "/"; ++ __overlay__ { ++ ov5647_clk: camera-clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <25000000>; ++ }; ++ }; ++ }; + }; +--- a/arch/arm/boot/dts/overlays/rpivid-v4l2-overlay.dts ++++ b/arch/arm/boot/dts/overlays/rpivid-v4l2-overlay.dts +@@ -26,12 +26,6 @@ + + clocks = <&hevc_clk>; + clock-names = "hevc"; +- +- hevc_clk: hevc_clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <500000000>; +- }; + }; + }; + }; +@@ -53,4 +47,15 @@ + }; + }; + }; ++ ++ fragment@2 { ++ target-path = "/"; ++ __overlay__ { ++ hevc_clk: hevc_clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <500000000>; ++ }; ++ }; ++ }; + }; +--- a/arch/arm/boot/dts/overlays/sc16is752-spi1-overlay.dts ++++ b/arch/arm/boot/dts/overlays/sc16is752-spi1-overlay.dts +@@ -38,12 +38,6 @@ + #gpio-controller; + #gpio-cells = <2>; + spi-max-frequency = <4000000>; +- +- sc16is752_clk: sc16is752_clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <14745600>; +- }; + }; + }; + }; +@@ -55,8 +49,19 @@ + }; + }; + +- __overrides__ { ++ fragment@3 { ++ target-path = "/"; ++ __overlay__ { ++ sc16is752_clk: sc16is752_spi1_clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <14745600>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { + int_pin = <&sc16is752>,"interrupts:0"; + xtal = <&sc16is752_clk>,"clock-frequency:0"; +- }; ++ }; + }; +--- a/arch/arm/boot/dts/overlays/tc358743-overlay.dts ++++ b/arch/arm/boot/dts/overlays/tc358743-overlay.dts +@@ -21,12 +21,6 @@ + clocks = <&tc358743_clk>; + clock-names = "refclk"; + +- tc358743_clk: bridge-clk { +- compatible = "fixed-clock"; +- #clock-cells = <0>; +- clock-frequency = <27000000>; +- }; +- + port { + tc358743: endpoint { + remote-endpoint = <&csi1_ep>; +@@ -81,6 +75,17 @@ + }; + }; + ++ fragment@6 { ++ target-path = "/"; ++ __overlay__ { ++ tc358743_clk: bridge-clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <27000000>; ++ }; ++ }; ++ }; ++ + __overrides__ { + 4lane = <0>, "-2+3"; + link-frequency = <&tc358743>,"link-frequencies#0"; |