clk: MediaTek: add hifsys entry for MT7623 SoC.

This adds high speed interface subsystem - hifsys (i.e. PCIe and USB)
for MT7623 SoC and enables its reset controller.

The control block is shared with ethsys and accordingly rename the
related defines.

Tested-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>

diff --git a/drivers/clk/mediatek/clk-mt7623.c b/drivers/clk/mediatek/clk-mt7623.c
index 87ad4f79ced8e1d994aed6a9bc0c3ad2d4cdf555..dfce32e2836fb7bdbd8eca4fcfa9d94095dfd910 100644 (file)
--- a/drivers/clk/mediatek/clk-mt7623.c
+++ b/drivers/clk/mediatek/clk-mt7623.c
@@ -691,34 +691,42 @@ static const struct mtk_gate peri_cgs[] = {
        GATE_PERI1(CLK_PERI_FCI, CLK_TOP_MS_CARD_SEL, 11),
 };
 
-/* ethsys */
-static const struct mtk_gate_regs eth_cg_regs = {
+/* ethsys and hifsys */
+static const struct mtk_gate_regs eth_hif_cg_regs = {
        .sta_ofs = 0x30,
 };
 
-#define GATE_ETH(_id, _parent, _shift, _flag) {                        \
+#define GATE_ETH_HIF(_id, _parent, _shift, _flag) {            \
                .id = _id,                                      \
                .parent = _parent,                              \
-               .regs = &eth_cg_regs,                           \
+               .regs = &eth_hif_cg_regs,                       \
                .shift = _shift,                                \
                .flags = CLK_GATE_NO_SETCLR_INV | (_flag),      \
        }
 
-#define GATE_ETH0(_id, _parent, _shift)                                \
-       GATE_ETH(_id, _parent, _shift, CLK_PARENT_APMIXED)
+#define GATE_ETH_HIF0(_id, _parent, _shift)                            \
+       GATE_ETH_HIF(_id, _parent, _shift, CLK_PARENT_APMIXED)
 
-#define GATE_ETH1(_id, _parent, _shift)                                \
-       GATE_ETH(_id, _parent, _shift, CLK_PARENT_TOPCKGEN)
+#define GATE_ETH_HIF1(_id, _parent, _shift)                            \
+       GATE_ETH_HIF(_id, _parent, _shift, CLK_PARENT_TOPCKGEN)
 
 static const struct mtk_gate eth_cgs[] = {
-       GATE_ETH1(CLK_ETHSYS_HSDMA, CLK_TOP_ETHIF_SEL, 5),
-       GATE_ETH1(CLK_ETHSYS_ESW, CLK_TOP_ETHPLL_500M, 6),
-       GATE_ETH0(CLK_ETHSYS_GP2, CLK_APMIXED_TRGPLL, 7),
-       GATE_ETH1(CLK_ETHSYS_GP1, CLK_TOP_ETHPLL_500M, 8),
-       GATE_ETH1(CLK_ETHSYS_PCM, CLK_TOP_ETHIF_SEL, 11),
-       GATE_ETH1(CLK_ETHSYS_GDMA, CLK_TOP_ETHIF_SEL, 14),
-       GATE_ETH1(CLK_ETHSYS_I2S, CLK_TOP_ETHIF_SEL, 17),
-       GATE_ETH1(CLK_ETHSYS_CRYPTO, CLK_TOP_ETHIF_SEL, 29),
+       GATE_ETH_HIF1(CLK_ETHSYS_HSDMA, CLK_TOP_ETHIF_SEL, 5),
+       GATE_ETH_HIF1(CLK_ETHSYS_ESW, CLK_TOP_ETHPLL_500M, 6),
+       GATE_ETH_HIF0(CLK_ETHSYS_GP2, CLK_APMIXED_TRGPLL, 7),
+       GATE_ETH_HIF1(CLK_ETHSYS_GP1, CLK_TOP_ETHPLL_500M, 8),
+       GATE_ETH_HIF1(CLK_ETHSYS_PCM, CLK_TOP_ETHIF_SEL, 11),
+       GATE_ETH_HIF1(CLK_ETHSYS_GDMA, CLK_TOP_ETHIF_SEL, 14),
+       GATE_ETH_HIF1(CLK_ETHSYS_I2S, CLK_TOP_ETHIF_SEL, 17),
+       GATE_ETH_HIF1(CLK_ETHSYS_CRYPTO, CLK_TOP_ETHIF_SEL, 29),
+};
+
+static const struct mtk_gate hif_cgs[] = {
+       GATE_ETH_HIF1(CLK_HIFSYS_USB0PHY, CLK_TOP_ETHPLL_500M, 21),
+       GATE_ETH_HIF1(CLK_HIFSYS_USB1PHY, CLK_TOP_ETHPLL_500M, 22),
+       GATE_ETH_HIF1(CLK_HIFSYS_PCIE0, CLK_TOP_ETHPLL_500M, 24),
+       GATE_ETH_HIF1(CLK_HIFSYS_PCIE1, CLK_TOP_ETHPLL_500M, 25),
+       GATE_ETH_HIF1(CLK_HIFSYS_PCIE2, CLK_TOP_ETHPLL_500M, 26),
 };
 
 static const struct mtk_clk_tree mt7623_clk_tree = {
@@ -778,19 +786,24 @@ static int mt7623_pericfg_probe(struct udevice *dev)
        return mtk_common_clk_gate_init(dev, &mt7623_clk_tree, peri_cgs);
 }
 
+static int mt7623_hifsys_probe(struct udevice *dev)
+{
+       return mtk_common_clk_gate_init(dev, &mt7623_clk_tree, hif_cgs);
+}
+
 static int mt7623_ethsys_probe(struct udevice *dev)
 {
        return mtk_common_clk_gate_init(dev, &mt7623_clk_tree, eth_cgs);
 }
 
-static int mt7623_ethsys_bind(struct udevice *dev)
+static int mt7623_ethsys_hifsys_bind(struct udevice *dev)
 {
        int ret = 0;
 
 #if CONFIG_IS_ENABLED(RESET_MEDIATEK)
-       ret = mediatek_reset_bind(dev, ETHSYS_RST_CTRL_OFS, 1);
+       ret = mediatek_reset_bind(dev, ETHSYS_HIFSYS_RST_CTRL_OFS, 1);
        if (ret)
-               debug("Warning: failed to bind ethsys reset controller\n");
+               debug("Warning: failed to bind reset controller\n");
 #endif
 
        return ret;
@@ -821,6 +834,11 @@ static const struct udevice_id mt7623_ethsys_compat[] = {
        { }
 };
 
+static const struct udevice_id mt7623_hifsys_compat[] = {
+       { .compatible = "mediatek,mt7623-hifsys" },
+       { }
+};
+
 static const struct udevice_id mt7623_mcucfg_compat[] = {
        { .compatible = "mediatek,mt7623-mcucfg" },
        { }
@@ -874,12 +892,22 @@ U_BOOT_DRIVER(mtk_clk_pericfg) = {
        .flags = DM_FLAG_PRE_RELOC,
 };
 
+U_BOOT_DRIVER(mtk_clk_hifsys) = {
+       .name = "mt7623-clock-hifsys",
+       .id = UCLASS_CLK,
+       .of_match = mt7623_hifsys_compat,
+       .probe = mt7623_hifsys_probe,
+       .bind = mt7623_ethsys_hifsys_bind,
+       .priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
+       .ops = &mtk_clk_gate_ops,
+};
+
 U_BOOT_DRIVER(mtk_clk_ethsys) = {
        .name = "mt7623-clock-ethsys",
        .id = UCLASS_CLK,
        .of_match = mt7623_ethsys_compat,
        .probe = mt7623_ethsys_probe,
-       .bind = mt7623_ethsys_bind,
+       .bind = mt7623_ethsys_hifsys_bind,
        .priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
        .ops = &mtk_clk_gate_ops,
 };

diff --git a/drivers/clk/mediatek/clk-mt7629.c b/drivers/clk/mediatek/clk-mt7629.c
index 6a9f60139c024f4b4c446cf2853862492f6b8b65..30a919f224bfffcf0fb8ccec6a3e58164c72fabb 100644 (file)
--- a/drivers/clk/mediatek/clk-mt7629.c
+++ b/drivers/clk/mediatek/clk-mt7629.c
@@ -608,9 +608,9 @@ static int mt7629_ethsys_bind(struct udevice *dev)
        int ret = 0;
 
 #if CONFIG_IS_ENABLED(RESET_MEDIATEK)
-       ret = mediatek_reset_bind(dev, ETHSYS_RST_CTRL_OFS, 1);
+       ret = mediatek_reset_bind(dev, ETHSYS_HIFSYS_RST_CTRL_OFS, 1);
        if (ret)
-               debug("Warning: failed to bind ethsys reset controller\n");
+               debug("Warning: failed to bind reset controller\n");
 #endif
 
        return ret;

diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
index 7847388b2a10e0bc297cf88cc14b05199bff49ff..dce93253ad070b2dba1f105bb8ee6f77da6c3095 100644 (file)
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -23,7 +23,7 @@
 #define CLK_PARENT_TOPCKGEN            BIT(5)
 #define CLK_PARENT_MASK                        GENMASK(5, 4)
 
-#define ETHSYS_RST_CTRL_OFS            0x34
+#define ETHSYS_HIFSYS_RST_CTRL_OFS     0x34
 
 /* struct mtk_pll_data - hardware-specific PLLs data */
 struct mtk_pll_data {