linux-kernel - [PATCH 3/4] clk: imx: clk-audiomix: Add CLK_SET_RATE

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Date: Mon,  6 May 2024 11:49:18 +0800
From: Shengjiu Wang <shengjiu.wang@....com>
To: abelvesa@...nel.org,
	peng.fan@....com,
	mturquette@...libre.com,
	sboyd@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	marex@...x.de,
	imx@...ts.linux.dev,
	shengjiu.wang@...il.com
Cc: linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: [PATCH 3/4] clk: imx: clk-audiomix: Add CLK_SET_RATE_PARENT flags for clocks

Add CLK_SET_RATE_PARENT flags that when the device driver sets the
child clock rate, parent clock frequency can be refined accordingly.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 drivers/clk/imx/clk-imx8mp-audiomix.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c
index 58630b521e67..6c888abcc6b5 100644
--- a/drivers/clk/imx/clk-imx8mp-audiomix.c
+++ b/drivers/clk/imx/clk-imx8mp-audiomix.c
@@ -348,12 +348,12 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(sels); i++) {
 		if (sels[i].num_parents == 1) {
 			hw = devm_clk_hw_register_gate_parent_data(dev,
-				sels[i].name, &sels[i].parent, 0,
+				sels[i].name, &sels[i].parent, CLK_SET_RATE_PARENT,
 				base + sels[i].reg, sels[i].shift, 0, NULL);
 		} else {
 			hw = devm_clk_hw_register_mux_parent_data_table(dev,
 				sels[i].name, sels[i].parents,
-				sels[i].num_parents, 0,
+				sels[i].num_parents, CLK_SET_RATE_PARENT,
 				base + sels[i].reg,
 				sels[i].shift, sels[i].width,
 				0, NULL, NULL);
@@ -396,7 +396,8 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev)
 	clk_hw_data->hws[IMX8MP_CLK_AUDIOMIX_SAI_PLL_BYPASS] = hw;
 
 	hw = devm_clk_hw_register_gate(dev, "sai_pll_out", "sai_pll_bypass",
-				       0, base + SAI_PLL_GNRL_CTL, 13,
+				       CLK_SET_RATE_PARENT,
+				       base + SAI_PLL_GNRL_CTL, 13,
 				       0, NULL);
 	if (IS_ERR(hw)) {
 		ret = PTR_ERR(hw);
@@ -405,7 +406,8 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev)
 	clk_hw_data->hws[IMX8MP_CLK_AUDIOMIX_SAI_PLL_OUT] = hw;
 
 	hw = devm_clk_hw_register_fixed_factor(dev, "sai_pll_out_div2",
-					       "sai_pll_out", 0, 1, 2);
+					       "sai_pll_out",
+					       CLK_SET_RATE_PARENT, 1, 2);
 	if (IS_ERR(hw)) {
 		ret = PTR_ERR(hw);
 		goto err_clk_register;
-- 
2.34.1