From f154ef08ca637c26178cb7a5c8e7b75952a47ab1 Mon Sep 17 00:00:00 2001 From: Niklas Söderlund Date: Tue, 31 Oct 2023 15:57:39 +0100 Subject: clk: renesas: r8a779g0: Add EtherTSN clock MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add the TSN module clock, which is used by the EtherTSN module on the Renesas R-Car V4H (R8A779G0) SoC. Signed-off-by: Niklas Söderlund Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20231031145739.657638-1-niklas.soderlund+renesas@ragnatech.se Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a779g0-cpg-mssr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c index 7cc580d67362..affc5fc60332 100644 --- a/drivers/clk/renesas/r8a779g0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c @@ -235,6 +235,7 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = { DEF_MOD("pfc2", 917, R8A779G0_CLK_CL16M), DEF_MOD("pfc3", 918, R8A779G0_CLK_CL16M), DEF_MOD("tsc", 919, R8A779G0_CLK_CL16M), + DEF_MOD("tsn", 2723, R8A779G0_CLK_S0D4_HSC), DEF_MOD("ssiu", 2926, R8A779G0_CLK_S0D6_PER), DEF_MOD("ssi", 2927, R8A779G0_CLK_S0D6_PER), }; -- cgit v1.2.3-59-g8ed1b From 5ab16198b431ca4885dbcc3433527fdf5b66be3c Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Tue, 14 Nov 2023 21:22:52 +0900 Subject: clk: renesas: r8a779g0: Add PCIe clocks Add the PCIe module clocks, which are used by the PCIe modules on the Renesas R-Car V4H (R8A779G0) SoC. Note that the following descriptions in the hardware manual Rev.0.81 about the PCIe module clocks are incorrect: 9.2.1.7 Software Reset Register 6 (SRCR6) 9.2.1.12 Software Reset Register 11 (SRCR11) 9.2.3.7 Module Stop Control Register 6 (MSTPCR6) Please refer to Figures 104.3[ab] instead. Signed-off-by: Yoshihiro Shimoda Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20231114122252.2266799-1-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a779g0-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c index affc5fc60332..5974adcef3ed 100644 --- a/drivers/clk/renesas/r8a779g0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c @@ -192,6 +192,8 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = { DEF_MOD("msi3", 621, R8A779G0_CLK_MSO), DEF_MOD("msi4", 622, R8A779G0_CLK_MSO), DEF_MOD("msi5", 623, R8A779G0_CLK_MSO), + DEF_MOD("pciec0", 624, R8A779G0_CLK_S0D2_HSC), + DEF_MOD("pscie1", 625, R8A779G0_CLK_S0D2_HSC), DEF_MOD("pwm", 628, R8A779G0_CLK_SASYNCPERD4), DEF_MOD("rpc-if", 629, R8A779G0_CLK_RPCD2), DEF_MOD("scif0", 702, R8A779G0_CLK_SASYNCPERD4), -- cgit v1.2.3-59-g8ed1b From 5f9e29b9159a41fcf6733c3b59fa46a90ce3ae20 Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Mon, 20 Nov 2023 09:00:11 +0200 Subject: clk: renesas: rzg2l-cpg: Reuse code in rzg2l_cpg_reset() Code in rzg2l_cpg_reset() is equivalent with the combined code of rzg2l_cpg_assert() and rzg2l_cpg_deassert(). There is no need to have different versions thus re-use rzg2l_cpg_assert() and rzg2l_cpg_deassert(). Signed-off-by: Claudiu Beznea Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20231120070024.4079344-2-claudiu.beznea.uj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/rzg2l-cpg.c | 38 +++++++++++++++----------------------- 1 file changed, 15 insertions(+), 23 deletions(-) diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c index 764bd72cf059..3189c3167ba8 100644 --- a/drivers/clk/renesas/rzg2l-cpg.c +++ b/drivers/clk/renesas/rzg2l-cpg.c @@ -1410,29 +1410,6 @@ fail: #define rcdev_to_priv(x) container_of(x, struct rzg2l_cpg_priv, rcdev) -static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); - const struct rzg2l_cpg_info *info = priv->info; - unsigned int reg = info->resets[id].off; - u32 dis = BIT(info->resets[id].bit); - u32 we = dis << 16; - - dev_dbg(rcdev->dev, "reset id:%ld offset:0x%x\n", id, CLK_RST_R(reg)); - - /* Reset module */ - writel(we, priv->base + CLK_RST_R(reg)); - - /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ - udelay(35); - - /* Release module from reset state */ - writel(we | dis, priv->base + CLK_RST_R(reg)); - - return 0; -} - static int rzg2l_cpg_assert(struct reset_controller_dev *rcdev, unsigned long id) { @@ -1463,6 +1440,21 @@ static int rzg2l_cpg_deassert(struct reset_controller_dev *rcdev, return 0; } +static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + int ret; + + ret = rzg2l_cpg_assert(rcdev, id); + if (ret) + return ret; + + /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ + udelay(35); + + return rzg2l_cpg_deassert(rcdev, id); +} + static int rzg2l_cpg_status(struct reset_controller_dev *rcdev, unsigned long id) { -- cgit v1.2.3-59-g8ed1b