6.12-stable review patch. If anyone has any objections, please let me know.
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From: Christian Marangi ansuelsmth@gmail.com
commit 2eb75f86d52565367211c51334d15fe672633085 upstream.
The Documentation for EN7581 had a typo and still referenced the EN7523 BUS base source frequency. This was in conflict with a different page in the Documentration that state that the BUS runs at 300MHz (600MHz source with divisor set to 2) and the actual watchdog that tick at half the BUS clock (150MHz). This was verified with the watchdog by timing the seconds that the system takes to reboot (due too watchdog) and by operating on different values of the BUS divisor.
The correct values for source of BUS clock are 600MHz and 540MHz.
This was also confirmed by Airoha.
Cc: stable@vger.kernel.org Fixes: 66bc47326ce2 ("clk: en7523: Add EN7581 support") Signed-off-by: Christian Marangi ansuelsmth@gmail.com Link: https://lore.kernel.org/r/20241116105710.19748-1-ansuelsmth@gmail.com Acked-by: Lorenzo Bianconi lorenzo@kernel.org Signed-off-by: Stephen Boyd sboyd@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/clk/clk-en7523.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/clk/clk-en7523.c +++ b/drivers/clk/clk-en7523.c @@ -92,6 +92,7 @@ static const u32 slic_base[] = { 1000000 static const u32 npu_base[] = { 333000000, 400000000, 500000000 }; /* EN7581 */ static const u32 emi7581_base[] = { 540000000, 480000000, 400000000, 300000000 }; +static const u32 bus7581_base[] = { 600000000, 540000000 }; static const u32 npu7581_base[] = { 800000000, 750000000, 720000000, 600000000 }; static const u32 crypto_base[] = { 540000000, 480000000 };
@@ -227,8 +228,8 @@ static const struct en_clk_desc en7581_b .base_reg = REG_BUS_CLK_DIV_SEL, .base_bits = 1, .base_shift = 8, - .base_values = bus_base, - .n_base_values = ARRAY_SIZE(bus_base), + .base_values = bus7581_base, + .n_base_values = ARRAY_SIZE(bus7581_base),
.div_bits = 3, .div_shift = 0,