[PATCH 02/33] clk: ast2600: Add FSI parent clock with correct rate

Eddie James
2024-02-15T22:08:37Z

In order to calculate correct FSI bus clocks, the FSI clock must
correctly calculate the rate from the parent (APLL / 4).

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
drivers/clk/clk-ast2600.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c
index 909c3137c428..faf88324f7b1 100644
--- a/drivers/clk/clk-ast2600.c
+++ b/drivers/clk/clk-ast2600.c
@@ -19,7 +19,7 @@
* This includes the gates (configured from aspeed_g6_gates), plus the
* explicitly-configured clocks (ASPEED_CLK_HPLL and up).
*/
-#define ASPEED_G6_NUM_CLKS 72
+#define ASPEED_G6_NUM_CLKS 73

#define ASPEED_G6_SILICON_REV 0x014
#define CHIP_REVISION_ID GENMASK(23, 16)
@@ -157,7 +157,7 @@ static const struct aspeed_gate_data aspeed_g6_gates[] = {
[ASPEED_CLK_GATE_UART11CLK] = { 59, -1, "uart11clk-gate", "uartx", 0 }, /* UART11 */
[ASPEED_CLK_GATE_UART12CLK] = { 60, -1, "uart12clk-gate", "uartx", 0 }, /* UART12 */
[ASPEED_CLK_GATE_UART13CLK] = { 61, -1, "uart13clk-gate", "uartx", 0 }, /* UART13 */
- [ASPEED_CLK_GATE_FSICLK] = { 62, 59, "fsiclk-gate", NULL, 0 }, /* FSI */
+ [ASPEED_CLK_GATE_FSICLK] = { 62, 59, "fsiclk-gate", "fsiclk", 0 }, /* FSI */
};

static const struct clk_div_table ast2600_eclk_div_table[] = {
@@ -821,6 +821,9 @@ static void __init aspeed_g6_cc(struct regmap *map)

hw = clk_hw_register_fixed_factor(NULL, "i3cclk", "apll", 0, 1, 8);
aspeed_g6_clk_data->hws[ASPEED_CLK_I3C] = hw;
+
+ hw = clk_hw_register_fixed_factor(NULL, "fsiclk", "apll", 0, 1, 4);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_FSI] = hw;
};

static void __init aspeed_g6_cc_init(struct device_node *np)
--
2.39.3