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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)
53 lines
1.8 KiB
Diff
53 lines
1.8 KiB
Diff
From 5f69f49a942cd31e5f8b511e166fb55e3a0df267 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Tue, 26 May 2020 14:30:31 +0200
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Subject: [PATCH] clk: bcm: rpi: Give firmware clocks a name
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We've registered the firmware clocks using their ID as name, but it's much
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more convenient to register them using their proper name. Since the
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firmware doesn't provide it, we have to duplicate it.
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Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/clk/bcm/clk-raspberrypi.c | 21 ++++++++++++++++++++-
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1 file changed, 20 insertions(+), 1 deletion(-)
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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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@@ -36,6 +36,23 @@ enum rpi_firmware_clk_id {
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RPI_FIRMWARE_NUM_CLK_ID,
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};
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+static char *rpi_firmware_clk_names[] = {
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+ [RPI_FIRMWARE_EMMC_CLK_ID] = "emmc",
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+ [RPI_FIRMWARE_UART_CLK_ID] = "uart",
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+ [RPI_FIRMWARE_ARM_CLK_ID] = "arm",
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+ [RPI_FIRMWARE_CORE_CLK_ID] = "core",
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+ [RPI_FIRMWARE_V3D_CLK_ID] = "v3d",
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+ [RPI_FIRMWARE_H264_CLK_ID] = "h264",
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+ [RPI_FIRMWARE_ISP_CLK_ID] = "isp",
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+ [RPI_FIRMWARE_SDRAM_CLK_ID] = "sdram",
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+ [RPI_FIRMWARE_PIXEL_CLK_ID] = "pixel",
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+ [RPI_FIRMWARE_PWM_CLK_ID] = "pwm",
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+ [RPI_FIRMWARE_HEVC_CLK_ID] = "hevc",
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+ [RPI_FIRMWARE_EMMC2_CLK_ID] = "emmc2",
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+ [RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc",
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+ [RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
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+};
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+
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#define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0)
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#define RPI_FIRMWARE_STATE_WAIT_BIT BIT(1)
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@@ -340,7 +357,9 @@ static struct clk_hw *raspberrypi_clk_re
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data->rpi = rpi;
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data->id = id;
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- init.name = devm_kasprintf(rpi->dev, GFP_KERNEL, "fw-clk-%u", id);
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+ init.name = devm_kasprintf(rpi->dev, GFP_KERNEL,
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+ "fw-clk-%s",
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+ rpi_firmware_clk_names[id]);
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init.ops = &raspberrypi_firmware_clk_ops;
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init.flags = CLK_GET_RATE_NOCACHE;
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