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62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
190 lines
4.9 KiB
Diff
190 lines
4.9 KiB
Diff
From d8daf6289869513ed548bcb0da410d7de3e5d57a Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Wed, 10 Jun 2020 16:28:56 +0200
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Subject: [PATCH] clk: rpi: Adjust DT binding to match upstream
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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arch/arm/boot/dts/bcm270x.dtsi | 6 ------
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arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 5 +++++
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arch/arm/boot/dts/bcm2710-rpi-3-b.dts | 5 +++++
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arch/arm/boot/dts/bcm2710-rpi-cm3.dts | 5 +++++
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arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 5 +++++
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arch/arm/boot/dts/bcm2711.dtsi | 6 ------
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arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts | 5 +++++
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arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts | 5 +++++
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arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 5 +++++
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arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi | 5 +++++
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drivers/clk/bcm/clk-raspberrypi.c | 12 +++++++++++-
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11 files changed, 51 insertions(+), 13 deletions(-)
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--- a/arch/arm/boot/dts/bcm270x.dtsi
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+++ b/arch/arm/boot/dts/bcm270x.dtsi
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@@ -7,12 +7,6 @@
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/delete-property/ stdout-path;
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};
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- firmware_clocks: firmware-clocks {
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- compatible = "raspberrypi,firmware-clocks";
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- raspberrypi,firmware = <&firmware>;
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- #clock-cells = <1>;
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- };
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-
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soc: soc {
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watchdog: watchdog@7e100000 {
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
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@@ -85,6 +85,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: expgpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-3-b.dts
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@@ -96,6 +96,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: expgpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
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+++ b/arch/arm/boot/dts/bcm2710-rpi-cm3.dts
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@@ -58,6 +58,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: expgpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
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@@ -54,6 +54,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: gpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2711.dtsi
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+++ b/arch/arm/boot/dts/bcm2711.dtsi
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@@ -24,12 +24,6 @@
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clock-output-names = "108MHz-clock";
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};
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- firmware_clocks: firmware-clocks {
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- compatible = "raspberrypi,firmware-clocks";
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- raspberrypi,firmware = <&firmware>;
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- #clock-cells = <1>;
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- };
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-
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soc {
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/*
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* Defined ranges:
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--- a/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts
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@@ -31,6 +31,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: gpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts
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@@ -37,6 +37,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: gpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
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+++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts
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@@ -32,6 +32,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: gpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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+++ b/arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi
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@@ -35,6 +35,11 @@
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};
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&firmware {
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+ firmware_clocks: clocks {
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+ compatible = "raspberrypi,firmware-clocks";
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+ #clock-cells = <1>;
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+ };
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+
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expgpio: gpio {
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compatible = "raspberrypi,firmware-gpio";
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gpio-controller;
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--- a/drivers/clk/bcm/clk-raspberrypi.c
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+++ b/drivers/clk/bcm/clk-raspberrypi.c
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@@ -383,13 +383,23 @@ static int raspberrypi_clk_probe(struct
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struct raspberrypi_clk *rpi;
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int ret;
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- firmware_node = of_parse_phandle(dev->of_node, "raspberrypi,firmware", 0);
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+ /*
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+ * We can be probed either through the an old-fashioned
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+ * platform device registration or through a DT node that is a
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+ * child of the firmware node. Handle both cases.
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+ */
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+ if (dev->of_node)
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+ firmware_node = of_get_parent(dev->of_node);
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+ else
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+ firmware_node = of_find_compatible_node(NULL, NULL,
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+ "raspberrypi,bcm2835-firmware");
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if (!firmware_node) {
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dev_err(dev, "Missing firmware node\n");
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return -ENOENT;
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}
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firmware = rpi_firmware_get(firmware_node);
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+ of_node_put(firmware_node);
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if (!firmware)
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return -EPROBE_DEFER;
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