[PATCH v3 08/13] memory: mtk-smi: Add clocks for smi-sub-common
From: Yong Wu <yong.wu@mediatek.com>
Date: 2021-08-10 08:11:40
Also in:
linux-arm-kernel, linux-devicetree, linux-iommu, lkml
Subsystem:
mediatek smi driver, memory controller drivers, the rest · Maintainers:
Yong Wu, Krzysztof Kozlowski, Linus Torvalds
SMI sub common only have one output port. thus it has only one gals clocks(gals0). then, smi-sub-common require the three clocks(apb/smi/gals0) in has_gals case. Signed-off-by: Yong Wu <yong.wu@mediatek.com> --- drivers/memory/mtk-smi.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 5c2bd5795cfd..58d9f7667490 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c@@ -74,10 +74,12 @@ static const char * const mtk_smi_larb_clks[] = {"apb", "smi", "gals"}; /* * common: Require these four clocks in has_gals case. Otherwise, only apb/smi are required. + * sub common: Require apb/smi/gals0 clocks in has_gals case. Otherwise, only apb/smi are required. */ static const char * const mtk_smi_common_clks[] = {"apb", "smi", "gals0", "gals1"}; #define MTK_SMI_COM_REQ_CLK_NR 2 #define MTK_SMI_COM_GALS_REQ_CLK_NR MTK_SMI_CLK_NR_MAX +#define MTK_SMI_SUB_COM_GALS_REQ_CLK_NR 3 struct mtk_smi_common_plat { enum mtk_smi_type type;
@@ -467,8 +469,12 @@ static int mtk_smi_common_probe(struct platform_device *pdev) common->dev = dev; common->plat = of_device_get_match_data(dev); - if (common->plat->has_gals) - clk_required = MTK_SMI_COM_GALS_REQ_CLK_NR; + if (common->plat->has_gals) { + if (common->plat->type == MTK_SMI_GEN2) + clk_required = MTK_SMI_COM_GALS_REQ_CLK_NR; + else if (common->plat->type == MTK_SMI_GEN2_SUB_COMM) + clk_required = MTK_SMI_SUB_COM_GALS_REQ_CLK_NR; + } ret = mtk_smi_dts_clk_init(dev, common, mtk_smi_common_clks, clk_required, 0); if (ret) return ret;
--
2.18.0
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