On Tue, 31 Oct 2023 at 03:54, Caleb Connolly caleb.connolly@linaro.org wrote:
Many gate clocks can be enabled with a single register write, add support for defining these simple gate clocks and add the ones found on SDM845.
While we're here, inline clk_init_uart() into msm_set_rate().
Signed-off-by: Caleb Connolly caleb.connolly@linaro.org
.../mach-snapdragon/include/mach/sysmap-sdm845.h | 3 + drivers/clk/qcom/clock-qcom.h | 26 +++++++ drivers/clk/qcom/clock-sdm845.c | 87 +++++++++++++++++++--- 3 files changed, 104 insertions(+), 12 deletions(-)
diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h b/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h index 7165985bcd1e..a0010d71594e 100644 --- a/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h +++ b/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h @@ -39,4 +39,7 @@ #define SE9_UART_APPS_N (0x18154) #define SE9_UART_APPS_D (0x18158)
+#define USB30_SEC_GDSCR (0x10004) +#define USB30_PRIM_GDSCR (0xf004)
I don't see these used anywhere in this commit. Apart from that feel free to add:
Reviewed-by: Sumit Garg sumit.garg@linaro.org
-Sumit
#endif diff --git a/drivers/clk/qcom/clock-qcom.h b/drivers/clk/qcom/clock-qcom.h index a9f895c2422e..6d399db987b6 100644 --- a/drivers/clk/qcom/clock-qcom.h +++ b/drivers/clk/qcom/clock-qcom.h @@ -5,6 +5,8 @@ #ifndef _CLOCK_QCOM_H #define _CLOCK_QCOM_H
+#include <asm/io.h>
#define CFG_CLK_SRC_CXO (0 << 8) #define CFG_CLK_SRC_GPLL0 (1 << 8) #define CFG_CLK_SRC_GPLL0_EVEN (6 << 8) @@ -30,6 +32,18 @@ struct bcr_regs { uintptr_t D; };
+struct gate_clk {
uintptr_t reg;u32 en_val;const char *name;+};
+#ifdef DEBUG +#define GATE_CLK(clk, reg, val) [clk] = { reg, val, #clk } +#else +#define GATE_CLK(clk, reg, val) [clk] = { reg, val, NULL } +#endif
struct qcom_reset_map { unsigned int reg; u8 bit; @@ -38,6 +52,8 @@ struct qcom_reset_map { struct msm_clk_data { const struct qcom_reset_map *resets; unsigned long num_resets;
const struct gate_clk *clks;unsigned long num_clks;};
struct msm_clk_priv { @@ -55,4 +71,14 @@ void clk_rcg_set_rate_mnd(phys_addr_t base, const struct bcr_regs *regs, void clk_rcg_set_rate(phys_addr_t base, const struct bcr_regs *regs, int div, int source);
+static inline void qcom_gate_clk_en(const struct msm_clk_priv *priv, unsigned long id) +{
u32 val;if (id >= priv->data->num_clks || priv->data->clks[id].reg == 0)return;val = readl(priv->base + priv->data->clks[id].reg);writel(val | priv->data->clks[id].en_val, priv->base + priv->data->clks[id].reg);+}
#endif diff --git a/drivers/clk/qcom/clock-sdm845.c b/drivers/clk/qcom/clock-sdm845.c index a7a43f69b9b3..57124e2a661a 100644 --- a/drivers/clk/qcom/clock-sdm845.c +++ b/drivers/clk/qcom/clock-sdm845.c @@ -11,6 +11,7 @@ #include <common.h> #include <clk-uclass.h> #include <dm.h> +#include <linux/delay.h> #include <errno.h> #include <asm/io.h> #include <linux/bitops.h> @@ -71,30 +72,90 @@ const struct freq_tbl *qcom_find_freq(const struct freq_tbl *f, uint rate) return f - 1; }
-static int clk_init_uart(struct msm_clk_priv *priv, uint rate) -{
const struct freq_tbl *freq = qcom_find_freq(ftbl_gcc_qupv3_wrap0_s0_clk_src, rate);clk_rcg_set_rate_mnd(priv->base, &uart2_regs,freq->pre_div, freq->m, freq->n, freq->src);return 0;-}
ulong msm_set_rate(struct clk *clk, ulong rate) { struct msm_clk_priv *priv = dev_get_priv(clk->dev);
const struct freq_tbl *freq; switch (clk->id) {
case GCC_QUPV3_WRAP1_S1_CLK: /*UART2*/return clk_init_uart(priv, rate);
case GCC_QUPV3_WRAP1_S1_CLK: /* UART9 */freq = qcom_find_freq(ftbl_gcc_qupv3_wrap0_s0_clk_src, rate);clk_rcg_set_rate_mnd(priv->base, &uart2_regs,freq->pre_div, freq->m, freq->n, freq->src);return freq->freq; default: return 0; }}
+static const struct gate_clk sdm845_clks[] = {
GATE_CLK(GCC_QUPV3_WRAP0_S0_CLK, 0x5200c, 0x00000400),GATE_CLK(GCC_QUPV3_WRAP0_S1_CLK, 0x5200c, 0x00000800),GATE_CLK(GCC_QUPV3_WRAP0_S2_CLK, 0x5200c, 0x00001000),GATE_CLK(GCC_QUPV3_WRAP0_S3_CLK, 0x5200c, 0x00002000),GATE_CLK(GCC_QUPV3_WRAP0_S4_CLK, 0x5200c, 0x00004000),GATE_CLK(GCC_QUPV3_WRAP0_S5_CLK, 0x5200c, 0x00008000),GATE_CLK(GCC_QUPV3_WRAP0_S6_CLK, 0x5200c, 0x00010000),GATE_CLK(GCC_QUPV3_WRAP0_S7_CLK, 0x5200c, 0x00020000),GATE_CLK(GCC_QUPV3_WRAP1_S0_CLK, 0x5200c, 0x00400000),GATE_CLK(GCC_QUPV3_WRAP1_S1_CLK, 0x5200c, 0x00800000),GATE_CLK(GCC_QUPV3_WRAP1_S3_CLK, 0x5200c, 0x02000000),GATE_CLK(GCC_QUPV3_WRAP1_S4_CLK, 0x5200c, 0x04000000),GATE_CLK(GCC_QUPV3_WRAP1_S5_CLK, 0x5200c, 0x08000000),GATE_CLK(GCC_QUPV3_WRAP1_S6_CLK, 0x5200c, 0x10000000),GATE_CLK(GCC_QUPV3_WRAP1_S7_CLK, 0x5200c, 0x20000000),GATE_CLK(GCC_QUPV3_WRAP_0_M_AHB_CLK, 0x5200c, 0x00000040),GATE_CLK(GCC_QUPV3_WRAP_0_S_AHB_CLK, 0x5200c, 0x00000080),GATE_CLK(GCC_QUPV3_WRAP_1_M_AHB_CLK, 0x5200c, 0x00100000),GATE_CLK(GCC_QUPV3_WRAP_1_S_AHB_CLK, 0x5200c, 0x00200000),GATE_CLK(GCC_SDCC2_AHB_CLK, 0x14008, 0x00000001),GATE_CLK(GCC_SDCC2_APPS_CLK, 0x14004, 0x00000001),GATE_CLK(GCC_SDCC4_AHB_CLK, 0x16008, 0x00000001),GATE_CLK(GCC_SDCC4_APPS_CLK, 0x16004, 0x00000001),GATE_CLK(GCC_UFS_CARD_AHB_CLK, 0x75010, 0x00000001),GATE_CLK(GCC_UFS_CARD_AXI_CLK, 0x7500c, 0x00000001),GATE_CLK(GCC_UFS_CARD_CLKREF_CLK, 0x8c004, 0x00000001),GATE_CLK(GCC_UFS_CARD_ICE_CORE_CLK, 0x75058, 0x00000001),GATE_CLK(GCC_UFS_CARD_PHY_AUX_CLK, 0x7508c, 0x00000001),GATE_CLK(GCC_UFS_CARD_RX_SYMBOL_0_CLK, 0x75018, 0x00000001),GATE_CLK(GCC_UFS_CARD_RX_SYMBOL_1_CLK, 0x750a8, 0x00000001),GATE_CLK(GCC_UFS_CARD_TX_SYMBOL_0_CLK, 0x75014, 0x00000001),GATE_CLK(GCC_UFS_CARD_UNIPRO_CORE_CLK, 0x75054, 0x00000001),GATE_CLK(GCC_UFS_MEM_CLKREF_CLK, 0x8c000, 0x00000001),GATE_CLK(GCC_UFS_PHY_AHB_CLK, 0x77010, 0x00000001),GATE_CLK(GCC_UFS_PHY_AXI_CLK, 0x7700c, 0x00000001),GATE_CLK(GCC_UFS_PHY_ICE_CORE_CLK, 0x77058, 0x00000001),GATE_CLK(GCC_UFS_PHY_PHY_AUX_CLK, 0x7708c, 0x00000001),GATE_CLK(GCC_UFS_PHY_RX_SYMBOL_0_CLK, 0x77018, 0x00000001),GATE_CLK(GCC_UFS_PHY_RX_SYMBOL_1_CLK, 0x770a8, 0x00000001),GATE_CLK(GCC_UFS_PHY_TX_SYMBOL_0_CLK, 0x77014, 0x00000001),GATE_CLK(GCC_UFS_PHY_UNIPRO_CORE_CLK, 0x77054, 0x00000001),GATE_CLK(GCC_USB30_PRIM_MASTER_CLK, 0x0f00c, 0x00000001),GATE_CLK(GCC_USB30_PRIM_MOCK_UTMI_CLK, 0x0f014, 0x00000001),GATE_CLK(GCC_USB30_PRIM_SLEEP_CLK, 0x0f010, 0x00000001),GATE_CLK(GCC_USB30_SEC_MASTER_CLK, 0x1000c, 0x00000001),GATE_CLK(GCC_USB30_SEC_MOCK_UTMI_CLK, 0x10014, 0x00000001),GATE_CLK(GCC_USB30_SEC_SLEEP_CLK, 0x10010, 0x00000001),GATE_CLK(GCC_USB3_PRIM_CLKREF_CLK, 0x8c008, 0x00000001),GATE_CLK(GCC_USB3_PRIM_PHY_AUX_CLK, 0x0f04c, 0x00000001),GATE_CLK(GCC_USB3_PRIM_PHY_COM_AUX_CLK, 0x0f050, 0x00000001),GATE_CLK(GCC_USB3_PRIM_PHY_PIPE_CLK, 0x0f054, 0x00000001),GATE_CLK(GCC_USB3_SEC_CLKREF_CLK, 0x8c028, 0x00000001),GATE_CLK(GCC_USB3_SEC_PHY_AUX_CLK, 0x1004c, 0x00000001),GATE_CLK(GCC_USB3_SEC_PHY_PIPE_CLK, 0x10054, 0x00000001),GATE_CLK(GCC_USB3_SEC_PHY_COM_AUX_CLK, 0x10050, 0x00000001),GATE_CLK(GCC_USB_PHY_CFG_AHB2PHY_CLK, 0x6a004, 0x00000001),+};
int msm_enable(struct clk *clk) {
struct msm_clk_priv *priv = dev_get_priv(clk->dev);debug("%s: clk %s\n", __func__, sdm845_clks[clk->id].name);qcom_gate_clk_en(priv, clk->id);return 0;}
@@ -121,6 +182,8 @@ static const struct qcom_reset_map sdm845_gcc_resets[] = { static const struct msm_clk_data qcs404_gcc_data = { .resets = sdm845_gcc_resets, .num_resets = ARRAY_SIZE(sdm845_gcc_resets),
.clks = sdm845_clks,.num_clks = ARRAY_SIZE(sdm845_clks),};
static const struct udevice_id gcc_sdm845_of_match[] = {
-- 2.42.0