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authorYong Wu <yong.wu@mediatek.com>2021-09-14 13:36:58 +0200
committerKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-09-22 08:43:08 +0200
commit3e4f74e0ea5a6a6d6d825fd7afd8a10afbd1152c (patch)
tree084c02c6088170c859b488fb62da447be44858cc /drivers/memory/mtk-smi.c
parentmemory: mtk-smi: Add device link for smi-sub-common (diff)
downloadlinux-3e4f74e0ea5a6a6d6d825fd7afd8a10afbd1152c.tar.xz
linux-3e4f74e0ea5a6a6d6d825fd7afd8a10afbd1152c.zip
memory: mtk-smi: Add clocks for smi-sub-common
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> Link: https://lore.kernel.org/r/20210914113703.31466-9-yong.wu@mediatek.com Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'drivers/memory/mtk-smi.c')
-rw-r--r--drivers/memory/mtk-smi.c10
1 files 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;