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authorMaxime Ripard <[email protected]>2020-06-15 10:41:02 +0200
committerStephen Boyd <[email protected]>2020-06-19 17:21:18 -0700
commit7dad8a613185320093de021ca8abba986bc043cb (patch)
tree9cbe66513d0c626aea1e5b82bcdf777e8f209698
parentclk: bcm: rpi: Discover the firmware clocks (diff)
downloadwireguard-linux-7dad8a613185320093de021ca8abba986bc043cb.tar.xz
wireguard-linux-7dad8a613185320093de021ca8abba986bc043cb.zip
clk: bcm: rpi: Give firmware clocks a name
We've registered the firmware clocks using their ID as name, but it's much more convenient to register them using their proper name. Since the firmware doesn't provide it, we have to duplicate it. Acked-by: Nicolas Saenz Julienne <[email protected]> Tested-by: Nicolas Saenz Julienne <[email protected]> Signed-off-by: Maxime Ripard <[email protected]> Link: https://lore.kernel.org/r/a52a5f5768cd33716cdd35237c6613f26ad75013.1592210452.git-series.maxime@cerno.tech Signed-off-by: Stephen Boyd <[email protected]>
-rw-r--r--drivers/clk/bcm/clk-raspberrypi.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index 11a62bde5203..adc0bb56008a 100644
--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -36,6 +36,23 @@ enum rpi_firmware_clk_id {
RPI_FIRMWARE_NUM_CLK_ID,
};
+static char *rpi_firmware_clk_names[] = {
+ [RPI_FIRMWARE_EMMC_CLK_ID] = "emmc",
+ [RPI_FIRMWARE_UART_CLK_ID] = "uart",
+ [RPI_FIRMWARE_ARM_CLK_ID] = "arm",
+ [RPI_FIRMWARE_CORE_CLK_ID] = "core",
+ [RPI_FIRMWARE_V3D_CLK_ID] = "v3d",
+ [RPI_FIRMWARE_H264_CLK_ID] = "h264",
+ [RPI_FIRMWARE_ISP_CLK_ID] = "isp",
+ [RPI_FIRMWARE_SDRAM_CLK_ID] = "sdram",
+ [RPI_FIRMWARE_PIXEL_CLK_ID] = "pixel",
+ [RPI_FIRMWARE_PWM_CLK_ID] = "pwm",
+ [RPI_FIRMWARE_HEVC_CLK_ID] = "hevc",
+ [RPI_FIRMWARE_EMMC2_CLK_ID] = "emmc2",
+ [RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc",
+ [RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
+};
+
#define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0)
#define RPI_FIRMWARE_STATE_WAIT_BIT BIT(1)
@@ -343,7 +360,9 @@ static struct clk_hw *raspberrypi_clk_register(struct raspberrypi_clk *rpi,
data->rpi = rpi;
data->id = id;
- init.name = devm_kasprintf(rpi->dev, GFP_KERNEL, "fw-clk-%u", id);
+ init.name = devm_kasprintf(rpi->dev, GFP_KERNEL,
+ "fw-clk-%s",
+ rpi_firmware_clk_names[id]);
init.ops = &raspberrypi_firmware_clk_ops;
init.flags = CLK_GET_RATE_NOCACHE;
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